How long do you charge a Black and Decker 18-volt battery?

18 volt battery image

Red

I have four Black and Decker 18-Volt Firestorm batteries. I've been charging them on the simple wall charger for about three hours each. They charge but I just think they should last a little longer than they do in my drill, circular saw, flashlight, and weed eater. (all interchangable black and decker 18 volt products) Am I charging them too much or too little?

Answer
If you are using a charger that is intended for the battery, you may leave it on cradle overnight to make sure you are charging it at full capacity.

If you are using a substitute charger, have it charged longer but check if the battery will get hotter than normal. If it won't get hot, have it charged overnight.

Is it possible to use an 18 volt drill battery too charge a laptop?

llmwall

I have an 18 volt drill battery and charger.At full charge the output is 19.7 volts. The output on my laptop charger is 19.5 volts. Can I just hook the battery directly into the laptop for extended outdoor use?

Answer
no...

Can you run a 18 volt battery weed-eater on a 24 volt battery?

Ricky A

I just got an 18 volt black and decker battery weed-eater with 3 batteries.
I have 6 24 volt batteries that came with other various black and decker tools i bought. I would like to know if it is possible to run my weed-eater off of my 24 volt batteries. They have the exact same ends just the 24 volts are taller.

If it even works will it damage either the weed-eater or the batteries?

Answer
it will burn up the motor.

Can u use 18 volt lithium ion battery in a 18 volt regular battery drill?

Billy T

I have a De Walt XRP18 volt hammer drill with regular battery. Can I use a 18 volt lithium ion battery in that drill? can you interchange them?

Answer
Yes. & Yes.

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