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Forum topic by Karda posted 05-18-2021 04:03 AM 306 views 0 times favorited 13 replies Add to Favorites Watch
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Karda

3208 posts in 1677 days


05-18-2021 04:03 AM

I have a Kobalt 24V drill. will it damage the battery to leave it on the charger over night


13 replies so far

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SMP

4198 posts in 1029 days


#1 posted 05-18-2021 04:06 AM

What do the instructions say? Older chargers used to damage batteries from overcharging but many(most?) newer chargers auto shut-off now to prevent overcharging. I don’t have any Kobalt tools though so can say on that one.

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Karda

3208 posts in 1677 days


#2 posted 05-18-2021 04:13 AM

ok thanks

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MrUnix

8644 posts in 3322 days


#3 posted 05-18-2021 05:12 AM

It should be fine. Li-Ion batteries cannot handle over charging and require a very smart charger to prevent them from exploding. Once the battery is fully charged, the charger should shut down completely, or alternatively, monitor the charge and only provide a short ‘topping’ charge when necessary. There is no such thing as ‘trickle charge’ with Li-Ion. The manual for your drill does not specify any charger specific details, so how it behaves at full charge is unknown.

Having said that – IMO, it is still a good idea to remove the battery once fully charged. If the charger should malfunction, you could wind up with a very serious situation. YMMV.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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Karda

3208 posts in 1677 days


#4 posted 05-18-2021 05:21 AM

ok thanks

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ibewjon

2485 posts in 3916 days


#5 posted 05-18-2021 12:01 PM

My battery chargers are plugged into receptacles controlled by a timer. After 60 minutes, the power is off.

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controlfreak

2274 posts in 724 days


#6 posted 05-18-2021 12:20 PM

I have always seen where some put elaborate timers and cut off switches on battery chargers. Me, I just plug the battery in until I need it again and forget about it. I just don’t think it is an issue anymore. The old batteries and chargers I am sure are long gone now…except for those owned by timer and cutoff crowd.

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ibewjon

2485 posts in 3916 days


#7 posted 05-18-2021 12:29 PM

The timer system has been in place for over 20 years. Why would I remove it?

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tvrgeek

1944 posts in 2772 days


#8 posted 05-18-2021 01:36 PM

It should not as Li does not have the memory issues of NiCad or Ni-M-H Both the chargers and battery chips monidor the temp and current and protect them from run-away. BUT: Rechargers are infamous for starting fires. It is advisable to only leave them on when you are around.

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pottz

17666 posts in 2107 days


#9 posted 05-18-2021 01:43 PM



My battery chargers are plugged into receptacles controlled by a timer. After 60 minutes, the power is off.

- ibewjon


+1 same here mine come on for a couple hours a day,i never remove them from the chargers.

-- working with my hands is a joy,it gives me a sense of fulfillment,somthing so many seek and so few find.-SAM MALOOF.

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sansoo22

1686 posts in 778 days


#10 posted 05-18-2021 02:58 PM

I leave mine on the charger for weeks or months at a time. Not saying its a good idea but I do. I did upgrade to a dual charger for my Ridgid tools though. I’m not sure I would trust the free charger that came with some of them the same way.

I doubt I would ever go thru the trouble of a timer but if/when I get to redo electrical I wouldn’t mind a couple outlets that get turned on/off with the outer bank of overhead lights.

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splintergroup

5306 posts in 2345 days


#11 posted 05-18-2021 03:36 PM

I have my chargers on a timer (60 minutes/day), but my reasons are because my chargers turn off when the batteries are fully charged. To get them charging again, like if the battery has been sitting on them for a month or more w/o being used, I have to pull the battery off, them reinstall to start the charge cycle again. Having the timer automatically resets the chargers each day so the batteries can be “topped off” and always ready.

My chargers are Milwaukee (one LIon and one NMH), other chargers may be designed to properly turn back on for topping off periodically.

The battery type that needs a constant float charge is lead-acid, but I’m unaware of any cordless hand tools that may use those 8^)

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xeddog

350 posts in 4130 days


#12 posted 05-18-2021 04:29 PM

I have a couple of Kobalt 40V tools and if I remember correctly, the battery/charger instructions say to remove the battery after an hour. I have left the batteries in the charger overnight with no apparent ill effects.

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Karda

3208 posts in 1677 days


#13 posted 05-18-2021 04:31 PM

ok I’ll remove when done

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