Storage batteries?

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Hey all, just(again) got the batteries in the keyboard. I reached for the spare, fortunately I have 6 pieces, and they are all dead! Although charged them maasz and a half ago. Batteries energizer rechargeable. Question: how do you deal with this illness and is there any tricky way to charge so quickly left them?
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Use battery low self-discharge, no?
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Look for batteries with low — self-discharge Sanyo Eneloop, for example.
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For this reason you know two things:
— Very much affected by wear. Modern rechargeable battery life is somewhere in the 1000 processes charging. The old one was designed for 200. The more processes the charges, the smaller the capacitance, i.e. faster discharged.
— Quite strongly affected by temperature. In the cold faster discharged. Optimum temperature — room.
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You use metal hydride batteries (NiMH).
In these batteries (compared to lithium) is quite high-discharge current. Unfortunately it is not treated.
Also take note — these batteries should not be stored charged (again in contrast to lithium, which on the contrary should not be stored discharged) — this reduces their service life.
How to fight self-discharge? No way. From different manufacturers and they have different self-discharge. There are successful, is very unfortunate.
For example Philips 2450mAh AA (8pcs) work for me fine, but Philips AA 2700 mAh (8pcs) — worse... the feeling that their capacity is not 2700, but 1000. And no "pumping" does not help. And with other manufacturers — have a good GP, there is a terrible — it's a dozen or two AA and AAA. Was Lenmar — good capacity if not for one thing — for one and a half years all went down (and this is 8pcs 8pcs AA and AAA).
Samsung 2700mAh (4pcs). Three work fine, one battery capacity 4 times less... marriage is a specific battery.
Sony 2500mAh — nothing bad I can not say — quite normal.
Camelion AAA 1000mAh (8pcs) — good, as well as sony — marriage was not working well.
As you can see — I buy the kits, that would not be hits in the Frank marriage of any one battery. Charging (steam home and at work) is also normal, 4 channel, where each battery is charged individually, not the heap, where it may be incomplete charging and recharging is easy.
\r
Someone doubted the veracity because of the amount of the said batteries but it's true.
I have a lot of batteries, as a fan of these devices. Mouse (4pcs), claves, portable speakers (2pcs), pair of cameras, radio camp, a bunch of flashlights for Hiking and the like, and is all in AA or AAA (even in the radio, which is a "C" — using a special adapter for AA batteries). Therefore, the experience gained is not very small.
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For keyboard as for me it is better to use just the batteries. If you got a bad battery, then it self-discharge will take place faster than the discharge through the keyboard.
Well, or to dig towards something like the Sanyo Eneloop, low self discharge.
\r
Add a bit of statistics:
Sanyo Eneloop I got a good 4 Grand, no problem
Was previously a GP with a low self-discharge, 3 lived happily ever after, 1 began to flow.
There are still Chinese BTY price good batteries, one party got fabulous lives for the second year, the other party had been, no, the third worked well half. But given their cost, you can play roulette.
Was still energizers how You died all at once, losing capacity very much.
The truth is I have flash, there is a current great periods have specific load...
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