Leave drill battery on or off drill?

[TOM KAN PA]

When I store my cordless drill, should I remove the battery from it, leave it
on, or is it six to one, a half dozen to the other.

[Joe Bobst]

<< When I store my cordless drill, should I remove the battery from it, >>

Why wear out the latches and contacts prematurely? If the switch works properly
the battery is isolated. FWIW, I vote for leaving it on.

Joe

[MrAoD]

Post by Joe Bobst
<< When I store my cordless drill, should I remove the battery from it, >>
Why wear out the latches and contacts prematurely? If the switch works properly
the battery is isolated. FWIW, I vote for leaving it on.

Consult the manufacturer's recommendation. Most, IME, recommend leaving the
battery in the charger, provided the charger has the overcharge/overheat sensor
circuit.

Best,

Marc

[John]

I disagree - most cordless drills use NiCad batteries which have memories so
should be drained before they are charged. Leaving the battery in the
charger will result in it being frequently "topped up" by the charger as it
naturally discharges and will reduce it's life and the amount of charge it
will take.

Leave the battery in the drill until it is almost fully drained.

John

Post by MrAoD

Post by Joe Bobst
<< When I store my cordless drill, should I remove the battery from it,
Why wear out the latches and contacts prematurely? If the switch works properly
the battery is isolated. FWIW, I vote for leaving it on.

Consult the manufacturer's recommendation. Most, IME, recommend leaving the
battery in the charger, provided the charger has the overcharge/overheat sensor
circuit.
Best,
Marc

[Mike Dobony]

Post by John
I disagree - most cordless drills use NiCad batteries which have memories so
should be drained before they are charged. Leaving the battery in the
charger will result in it being frequently "topped up" by the charger as it
naturally discharges and will reduce it's life and the amount of charge it
will take.
Leave the battery in the drill until it is almost fully drained.
John

Except for the new Dewalts and Milwaukees. They have memory free batteries.
You can charge them whenever you want. However, it is still better to just
leave them on the tool and have the second ready to go. It only takes an
hour to fully charge a dead battery anyway, 45 minutes with the Milwaukee's
triple charger. As far as the other brands, you are correct, the NiCads
need to be fully drained before recharging or else they develop a memory and
will not be able to be fully charged.

--
Mike D.

www.stopassaultnow.org

Remove .spamnot to respond by email

Post by John

Post by MrAoD

Post by Joe Bobst
<< When I store my cordless drill, should I remove the battery from it,
Why wear out the latches and contacts prematurely? If the switch works properly
the battery is isolated. FWIW, I vote for leaving it on.

Consult the manufacturer's recommendation. Most, IME, recommend leaving

the

Post by MrAoD
battery in the charger, provided the charger has the overcharge/overheat

sensor

Post by MrAoD
circuit.
Best,
Marc

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
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[Mike Dobony]

Post by John
I disagree - most cordless drills use NiCad batteries which have memories so
should be drained before they are charged. Leaving the battery in the
charger will result in it being frequently "topped up" by the charger as it
naturally discharges and will reduce it's life and the amount of charge it
will take.
Leave the battery in the drill until it is almost fully drained.

Forgot that NiCads also do not loose their charge very quickly, as opposed
to the NMH that are memory free, but quickly loose their charge.

Post by John
John

Post by MrAoD

Post by Joe Bobst
<< When I store my cordless drill, should I remove the battery from it,
Why wear out the latches and contacts prematurely? If the switch works properly
the battery is isolated. FWIW, I vote for leaving it on.

Consult the manufacturer's recommendation. Most, IME, recommend leaving

the

Post by MrAoD
battery in the charger, provided the charger has the overcharge/overheat

sensor

Post by MrAoD
circuit.
Best,
Marc

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
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[Paula]

replying to Joe Bobst, Paula wrote:
I have a rigid cordless drill with a lithium ion battery instructions say
remove battery for storing hope that helps

--
for full context, visit https://www.homeownershub.com/maintenance/leave-drill-battery-on-or-off-drill-488496-.htm

[Uncle Monster]

Post by Paula
I have a rigid cordless drill with a lithium ion battery instructions say
remove battery for storing hope that helps
--

You're too late! FIFTEEN YEARS AGO after Joe Bobst made the post, he died of lithium poisoning because ye kept licking the battery. It was a real tragedy. His gerbils really miss him. 8-(

[8~{} Uncle Sad Monster

[Peeler]

On Tue, 15 May 2018 20:27:03 -0700 (PDT), Auntie Senile Moron drooled and

Post by Uncle Monster
You're too late! FIFTEEN YEARS AGO after Joe Bobst made the post, he died
of lithium poisoning because ye kept licking the battery. It was a real
tragedy. His gerbils really miss him. 8-(

Being "original" today again, you pathetic endlessly drooling useless
Yankietard? <BG>

Post by Uncle Monster
[8~{} Auntie REAL Sad Moron

[Uncle Monster]

Post by Peeler

Post by Uncle Monster
You're too late! FIFTEEN YEARS AGO after Joe Bobst made the post, he died
of lithium poisoning because ye kept licking the battery. It was a real
tragedy. His gerbils really miss him. 8-(

Being "original" today again, you pathetic endlessly drooling useless
Limeytard Penis Peeler? <BG>

[8~{} Uncle Observant Monster

[Peeler]

On Wed, 16 May 2018 12:48:37 -0700 (PDT), Auntie Senile Moron drooled and

Post by Peeler
Being "original" today again, you pathetic endlessly drooling useless
Limeytard Penis Peeler? <BG>

MORE helpless pathetic post-editing, you defeated bleeding cunt? Girl, are
YOU going to bleed on this group yet, Auntie Senile Moron! This is a
PROMISE! LOL

[8~{} Auntie Obnoxious Moron

[Uncle Monster]

Post by Peeler

Post by Peeler
Being "original" today again, you pathetic endlessly drooling useless
Limeytard Senile Penis Peeler? <BG>

MORE helpless pathetic post-editing, you defeated bleeding cunt? Girl, are
YOU going to bleed on this group yet, Senile Penis Peeler Moron! This is a
PROMISE! LOL

[8~{} Uncle Observant Monster

[Peeler]

On Wed, 16 May 2018 15:26:00 -0700 (PDT), Auntie Senile Moron drooled and

Post by Peeler
MORE helpless pathetic post-editing, you defeated bleeding cunt? Girl, are
YOU going to bleed on this group yet, Senile Penis Peeler Moron! This is a
PROMISE! LOL

ROTFLOL!!! The defeated Yankie cunt has been reduced to mindless imitation
of her harsh dominator! What a freak show! LOL

[8~{} Auntie Obnoxious Moron

[jim]

Post by TOM KAN PA
When I store my cordless drill, should I remove the battery from it, leave it
on, or is it six to one, a half dozen to the other.

just leep the battery on the charger so when you want to use it you will
have a charge on the battery.....

[Bruce]

I've had a cordless 12v DeWalt drill since 1998 and I have always left
the battery on when not using it. In fact, the battery stays on until
it is drained. The spare battery always stays in the charger which is
plugged into the wall. Not sure if this is good or bad but it is what
I have done. No worries so far.

-- Bruce

PS -- Still using the same 2 batteries that came with the drill and
I've used (and abused) the drill quite a bit for driving deck screws
and making holes.

Post by TOM KAN PA
When I store my cordless drill, should I remove the battery from it, leave it
on, or is it six to one, a half dozen to the other.

[George E. Cawthon]

Post by TOM KAN PA
When I store my cordless drill, should I remove the battery from it, leave it
on, or is it six to one, a half dozen to the other.

Keeping it attached should not result in any drain, so it
doesn't make any difference if the pack is attached or not,
unless you have some light or electronic readout on all of
the time.

And the saying is six OF one and half a dozen OF the other.
The preposition TO doesn't make sense.

Seriously, leave them attached unless instruction for that
particular brand say otherwise. Even cheap batteries don't
discharge that rapidly. OTOH, the tendency for many home
owners is to ignore the batteries which sit for varying long
period and just die. Or, they let them sit, and then charge
them for long periods (forget them) and way over charge
them, damaging the battery pack. If you have a precise up
to date well controlled charger, you can just let them
charge, but most chargers are not that good. The best bet
is a maintenance program whereby you check the voltage of
the pack periodically and when it reaches a certain point
you recharge the pack.

Forget all the stuff people tell you about memory and
discharging the battery pack. You should never discharge
the pack below 1 V per cell or you are likely to damage it.
And a cycle is a cycle and a battery pack has only a certain
number of cycles in it, so don't every discharge just to
discharge; discharge because you are using it and don't let
it get hot. Remember; never less that 1V per cell. In
practice, that number should be much higher and could be as
high as 12V. When you tool is getting obviously getting
weak, check the voltage and that is the voltage that you
don't want to go below.

The biggest problem with battery pack is overcharging, heat
kills quickly. So if your instructions say to fully charge
in 4 hours, never charge more than that, and if you use the
tool only a little and want to recharge, recharge for only
an hour or so. Check the voltage after the pack sits unused
for several hours and charge some more if needed. A fully
charged 12V pack probably reads around 13.2 volts. Check
the battery pack every month and charge it. You should
charge about once a month if you don't have and accurate
trickle charger (and most aren't accurate). Good Luck, and
if you need more information just do a google search on
Battery Memory and only read the ones that are from
universities, Government (e.g., NASA), or battery
manufacturers. Good Luck.

[mark Ransley]

George I agree with you except nicads should be stored at what is
discharge 1v . Lead acid store fully charged. ni mh I dont know.

[George E. Cawthon]

Don't think I understand that. In storage, the pack
constantly loose voltage through internal discharge. My
understanding is that as they go below 1v per cell, the
weakest cell is likely to reverse polarity and that will
ruin the battery. I keep mine charge above 12v by checking
every 4-6 weeks and charging before they drop below 12v.

I do the same with my lead acid batteries and charge them to
12.7v and while in storage charge them whenever they drop to
12.5v and never let them drop below 12.2v.

Post by mark Ransley
George I agree with you except nicads should be stored at what is
discharge 1v . Lead acid store fully charged. ni mh I dont know.

[Trent©]

On Thu, 27 Nov 2003 01:38:11 GMT, "George E. Cawthon"

Post by George E. Cawthon
Don't think I understand that. In storage, the pack
constantly loose voltage through internal discharge. My
understanding is that as they go below 1v per cell, the
weakest cell is likely to reverse polarity and that will
ruin the battery. I keep mine charge above 12v by checking
every 4-6 weeks and charging before they drop below 12v.
I do the same with my lead acid batteries and charge them to
12.7v and while in storage charge them whenever they drop to
12.5v and never let them drop below 12.2v.

I didn't realize that a 12v. drill could run at 1v. lol

Are you sure you really mean to talk about voltage?



Wishing you and yours a happy Thanksgiving season...

Trent

[Chris Lewis]

Post by Trent©
On Thu, 27 Nov 2003 01:38:11 GMT, "George E. Cawthon"

Post by George E. Cawthon
Don't think I understand that. In storage, the pack
constantly loose voltage through internal discharge. My
understanding is that as they go below 1v per cell, the
weakest cell is likely to reverse polarity and that will
ruin the battery. I keep mine charge above 12v by checking
every 4-6 weeks and charging before they drop below 12v.

I didn't realize that a 12v. drill could run at 1v. lol

He did say "per cell", did he not?

[t***@mucks.net]

On Thu, 27 Nov 2003 01:38:11 GMT, "George E. Cawthon"

Post by George E. Cawthon
Don't think I understand that. In storage, the pack
constantly loose voltage through internal discharge. My
understanding is that as they go below 1v per cell, the
weakest cell is likely to reverse polarity and that will
ruin the battery. I keep mine charge above 12v by checking
every 4-6 weeks and charging before they drop below 12v.
I do the same with my lead acid batteries and charge them to
12.7v and while in storage charge them whenever they drop to
12.5v and never let them drop below 12.2v.

Post by mark Ransley
George I agree with you except nicads should be stored at what is
discharge 1v . Lead acid store fully charged. ni mh I dont know.

If you are talking about a NiCad battery being stored for a month
or more it is best to leave it in a some what discharged state. 40% of
its full charge is usually recommended.

A combination of constantly topping it off and not using/discharging
it
will ruin the batteries life quickly.

[George E. Cawthon]

Post by Trent©
On Thu, 27 Nov 2003 01:38:11 GMT, "George E. Cawthon"

Post by George E. Cawthon
Don't think I understand that. In storage, the pack
constantly loose voltage through internal discharge. My
understanding is that as they go below 1v per cell, the
weakest cell is likely to reverse polarity and that will
ruin the battery. I keep mine charge above 12v by checking
every 4-6 weeks and charging before they drop below 12v.
I do the same with my lead acid batteries and charge them to
12.7v and while in storage charge them whenever they drop to
12.5v and never let them drop below 12.2v.

Post by mark Ransley
George I agree with you except nicads should be stored at what is
discharge 1v . Lead acid store fully charged. ni mh I dont know.

If you are talking about a NiCad battery being stored for a month
or more it is best to leave it in a some what discharged state. 40% of
its full charge is usually recommended.
A combination of constantly topping it off and not using/discharging
it
will ruin the batteries life quickly.

Forty percent of full charge puts it below 1V per cell,
which will result in a good chance that the weak cell will
reverse polarity. That will kill the pack or lead to early
death.
For example, a 12V pack that measures 13.2V at full charge
will measure 5.28V at 40% charge, which is extreme. I just
checked two pack and one read 13.05 and one read 13.11 after
sitting for at least 10 days. My packs don't lose enough
voltage to require a charge more often than once every 30-45
days. That is constant topping off. In any case, topping
off isn't destructive, it's overcharging

Topping off the battery, if you mean charging to its full
capacity but no more, isn't going to ruin a battery. In
fact, that is exactly what the best chargers do. And not
using/discharging it won't ruin it quickly either. Not
using it does ruin batteries if you mean leaving it alone
because when internal discharge goes below 1V per cell, a
cell is likely to reverse polarity. All of my reading and
my limited experience of nicads (about 10 years) indicate
that overcharging and deep discharging (anything below 8V
for a 12V pack) are the main culprits for ruining battery
packs. I've found that individual AA cells used in walkman
type tape machines that discharge to about 1.25 V and then
are removed and continue to discharge to less than 1 volt
have very short lifetimes and successful recharge cycles.
Good luck with your 5.28V storage of 12V packs.

[t***@mucks.net]

Post by George E. Cawthon
Forty percent of full charge puts it below 1V per cell,
which will result in a good chance that the weak cell will
reverse polarity. That will kill the pack or lead to early
death.
For example, a 12V pack that measures 13.2V at full charge
will measure 5.28V at 40% charge, which is extreme.

I didn't say 40% of its voltage. I said 40% of it's full charge.
For a typical 10 cell 12v NiCad that would be around 9.5v.

Post by George E. Cawthon
I just
checked two pack and one read 13.05 and one read 13.11 after
sitting for at least 10 days. My packs don't lose enough
voltage to require a charge more often than once every 30-45
days. That is constant topping off. In any case, topping
off isn't destructive, it's overcharging
Topping off the battery, if you mean charging to its full
capacity but no more, isn't going to ruin a battery. In
fact, that is exactly what the best chargers do. And not
using/discharging it won't ruin it quickly either. Not
using it does ruin batteries if you mean leaving it alone
because when internal discharge goes below 1V per cell, a
cell is likely to reverse polarity. All of my reading and
my limited experience of nicads (about 10 years) indicate
that overcharging and deep discharging (anything below 8V
for a 12V pack) are the main culprits for ruining battery
packs. I've found that individual AA cells used in walkman
type tape machines that discharge to about 1.25 V and then
are removed and continue to discharge to less than 1 volt
have very short lifetimes and successful recharge cycles.
Good luck with your 5.28V storage of 12V packs.

First off AA cells for Walkmans are probably NiMh cells.
NiCads are different. I'l quote a statement on NiCad
battery care for a Skil cordless drill...............

"If you anticipate long periods of (i.e. a month of more)
of non use of your tool, it is best to run your tool down
until its fully discharged before storing your battery pack."
"

[George E. Cawthon]

You are right, my bad. I don't know what the charge/voltage
ratio is for nicads. Based on what you said 10 cells and
9.5V, that's less than 1v per cell.

Post by t***@mucks.net

Post by George E. Cawthon
Forty percent of full charge puts it below 1V per cell,
which will result in a good chance that the weak cell will
reverse polarity. That will kill the pack or lead to early
death.
For example, a 12V pack that measures 13.2V at full charge
will measure 5.28V at 40% charge, which is extreme.

I didn't say 40% of its voltage. I said 40% of it's full charge.
For a typical 10 cell 12v NiCad that would be around 9.5v.

Post by George E. Cawthon
I just
checked two pack and one read 13.05 and one read 13.11 after
sitting for at least 10 days. My packs don't lose enough
voltage to require a charge more often than once every 30-45
days. That is constant topping off. In any case, topping
off isn't destructive, it's overcharging
Topping off the battery, if you mean charging to its full
capacity but no more, isn't going to ruin a battery. In
fact, that is exactly what the best chargers do. And not
using/discharging it won't ruin it quickly either. Not
using it does ruin batteries if you mean leaving it alone
because when internal discharge goes below 1V per cell, a
cell is likely to reverse polarity. All of my reading and
my limited experience of nicads (about 10 years) indicate
that overcharging and deep discharging (anything below 8V
for a 12V pack) are the main culprits for ruining battery
packs. I've found that individual AA cells used in walkman
type tape machines that discharge to about 1.25 V and then
are removed and continue to discharge to less than 1 volt
have very short lifetimes and successful recharge cycles.
Good luck with your 5.28V storage of 12V packs.

First off AA cells for Walkmans are probably NiMh cells.
NiCads are different. I'l quote a statement on NiCad
battery care for a Skil cordless drill...............
"If you anticipate long periods of (i.e. a month of more)
of non use of your tool, it is best to run your tool down
until its fully discharged before storing your battery pack."
"

[Lawrence Wasserman]

In article <***@worldnet.att.net>,
George E. Cawthon <GeorgeC-***@worldnet.att.net> wrote:
<...snipped...>

Post by George E. Cawthon
Forty percent of full charge puts it below 1V per cell,
which will result in a good chance that the weak cell will
reverse polarity. That will kill the pack or lead to early
death.
For example, a 12V pack that measures 13.2V at full charge
will measure 5.28V at 40% charge, which is extreme. I just
checked two pack and one read 13.05 and one read 13.11 after
sitting for at least 10 days. My packs don't lose enough
voltage to require a charge more often than once every 30-45
days. That is constant topping off. In any case, topping
off isn't destructive, it's overcharging

40% of the voltage is not the same as 40% charged. The voltage of
nicads (or any other battery I've ever heard of. for that matter) does
not decrease linearly with % of charge.

[George E. Cawthon]

Post by Lawrence Wasserman
<...snipped...>

Post by George E. Cawthon
Forty percent of full charge puts it below 1V per cell,
which will result in a good chance that the weak cell will
reverse polarity. That will kill the pack or lead to early
death.
For example, a 12V pack that measures 13.2V at full charge
will measure 5.28V at 40% charge, which is extreme. I just
checked two pack and one read 13.05 and one read 13.11 after
sitting for at least 10 days. My packs don't lose enough
voltage to require a charge more often than once every 30-45
days. That is constant topping off. In any case, topping
off isn't destructive, it's overcharging

40% of the voltage is not the same as 40% charged. The voltage of
nicads (or any other battery I've ever heard of. for that matter) does
not decrease linearly with % of charge.
--
Larry Wasserman Baltimore, Maryland

You're right, I haven't seen a chart of voltage vs. charge
for nicads.

[Mike Dobony]

Post by George E. Cawthon

Post by TOM KAN PA
When I store my cordless drill, should I remove the battery from it, leave it
on, or is it six to one, a half dozen to the other.

Keeping it attached should not result in any drain, so it
doesn't make any difference if the pack is attached or not,
unless you have some light or electronic readout on all of
the time.
And the saying is six OF one and half a dozen OF the other.
The preposition TO doesn't make sense.
Seriously, leave them attached unless instruction for that
particular brand say otherwise. Even cheap batteries don't
discharge that rapidly. OTOH, the tendency for many home
owners is to ignore the batteries which sit for varying long
period and just die. Or, they let them sit, and then charge
them for long periods (forget them) and way over charge
them, damaging the battery pack. If you have a precise up
to date well controlled charger, you can just let them
charge, but most chargers are not that good. The best bet
is a maintenance program whereby you check the voltage of
the pack periodically and when it reaches a certain point
you recharge the pack.

Regardless of the voltage, when the drill noticably looses power it is time
to recharge it. But again, follow manufacture's instructions. Forget that
"man" stuff and read the manual!

Post by George E. Cawthon
Forget all the stuff people tell you about memory and
discharging the battery pack. You should never discharge
the pack below 1 V per cell or you are likely to damage it.
And a cycle is a cycle and a battery pack has only a certain
number of cycles in it, so don't every discharge just to
discharge; discharge because you are using it and don't let
it get hot. Remember; never less that 1V per cell. In
practice, that number should be much higher and could be as
high as 12V. When you tool is getting obviously getting
weak, check the voltage and that is the voltage that you
don't want to go below.
The biggest problem with battery pack is overcharging, heat
kills quickly. So if your instructions say to fully charge
in 4 hours, never charge more than that, and if you use the
tool only a little and want to recharge, recharge for only
an hour or so. Check the voltage after the pack sits unused
for several hours and charge some more if needed. A fully
charged 12V pack probably reads around 13.2 volts. Check
the battery pack every month and charge it. You should
charge about once a month if you don't have and accurate
trickle charger (and most aren't accurate). Good Luck, and
if you need more information just do a google search on
Battery Memory and only read the ones that are from
universities, Government (e.g., NASA), or battery
manufacturers. Good Luck.

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.542 / Virus Database: 336 - Release Date: 11/18/2003

[George E. Cawthon]

Post by TOM KAN PA

Post by George E. Cawthon

Post by TOM KAN PA
When I store my cordless drill, should I remove the battery from it,

leave it

Post by George E. Cawthon

Post by TOM KAN PA
on, or is it six to one, a half dozen to the other.

Keeping it attached should not result in any drain, so it
doesn't make any difference if the pack is attached or not,
unless you have some light or electronic readout on all of
the time.
And the saying is six OF one and half a dozen OF the other.
The preposition TO doesn't make sense.
Seriously, leave them attached unless instruction for that
particular brand say otherwise. Even cheap batteries don't
discharge that rapidly. OTOH, the tendency for many home
owners is to ignore the batteries which sit for varying long
period and just die. Or, they let them sit, and then charge
them for long periods (forget them) and way over charge
them, damaging the battery pack. If you have a precise up
to date well controlled charger, you can just let them
charge, but most chargers are not that good. The best bet
is a maintenance program whereby you check the voltage of
the pack periodically and when it reaches a certain point
you recharge the pack.

Regardless of the voltage, when the drill noticably looses power it is time
to recharge it. But again, follow manufacture's instructions. Forget that
"man" stuff and read the manual!

I agree, when it loses power it's time to charge, but I
check the voltage more to establish a minimum voltage when
the batteries are stored. What is "man" stuff? Some tools
come with little more than a list of parts and don't give
any useful instructions about battery charging. They are
often as useful as new car driver manuals that say "see the
dealer."

Post by TOM KAN PA
((snipped))> ---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.542 / Virus Database: 336 - Release Date: 11/18/2003

[Trent©]

Post by TOM KAN PA
When I store my cordless drill, should I remove the battery from it, leave it
on, or is it six to one, a half dozen to the other.

The battery will loose some of its charge...it DOESN'T loose voltage,
btw...just by sitting. Removing it from the drill won't stop that
process. The proper thing to do is keep it in the charger if you
don't have a spare battery.

And leave WHAT on?

And its 'six one way...half dozen the other'.



Wishing you and yours a happy Thanksgiving season...

Trent

[mark Ransley]

Voltage Reversal I thought couldnt happen till 0.1 volt , being severe
discharge. I have 20 yr old packs still operational . I store at apx
1v a cell .

[George E. Cawthon]

Post by Trent©

Post by TOM KAN PA
When I store my cordless drill, should I remove the battery from it, leave it
on, or is it six to one, a half dozen to the other.

The battery will loose some of its charge...it DOESN'T loose voltage,
btw...just by sitting. Removing it from the drill won't stop that
process. The proper thing to do is keep it in the charger if you
don't have a spare battery.

Oh Trent! As the battery loses charge, it loses voltage.
It may not tell you the exact amp-hours left, but it pretty
well tells you the state of the charge, i.e, whether it is
90 percent, 80 percent, etc.

Post by Trent©
And leave WHAT on?

Leave the battery on the tool

Post by Trent©
And its 'six one way...half dozen the other'.

No it isn't! It's six of one and half a dozen of the other.

Post by Trent©
Wishing you and yours a happy Thanksgiving season...

Same to you.

Post by Trent©
Trent