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Battery charging: Should you let the battery run down totally or charge when half empty?

(8 Posts)
magimedi Sun 21-Aug-16 09:01:25

Polter was asking this on another thread - is it still the case that if you don't run your battery down fully before charging that it will stop it charging fully?

PlentyOfPubeGardens Sun 21-Aug-16 12:41:46

According to this lithium batteries last longer if they are not allowed to fully discharge. They don't have a 'memory' like older style batteries.

I always run them down until they stop working though and haven't noticed any problems. I've got one istick that's about 2 years old and one that's over a year old, still getting 3+ days out of both (50W).

magimedi Sun 21-Aug-16 13:13:05

flowers *Plenty.

I had a feeling you'd know!

PlentyOfPubeGardens Sun 21-Aug-16 13:20:27

Hehe I didn't know, I read your question and then had to find out! blush

'Battery University' ... who knew? grin

PolterGoose Sun 21-Aug-16 13:23:01

Message withdrawn at poster's request.

PlentyOfPubeGardens Sun 21-Aug-16 13:32:59

Yes they are Polter. And yes the 'lock' is a safety thing to stop them discharging fully. I remember when I was looking at mechanical mods there were lots of safety warnings about not using them past the point when the power starts to tail off or they can overheat. Not a problem with regulated mods.

SaucyJack Mon 22-Aug-16 05:06:51

What's a regulated mod?

I've had a lot of trouble with my battery recently. I think mine needs a nap once it starts running out before it starts behaving properly.

PlentyOfPubeGardens Mon 22-Aug-16 08:21:44

It's a mod that has circuitry to control how much power the battery puts out. All the variable voltage / wattage and temperature controlled mods are regulated. Ego batteries are regulated too - they put out a constant 3.7 volts and switch off when they don't have enough power left.

Mechanical mods OTOH are basically just empty tubes that you put a battery in and screw a tank to the top. They put out whatever power the battery is capable of: 3.7 volts for most of the time, but a freshly charged battery will put out about 4.2 volts for a short time and when it's running out will tail off to about 3.4.

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