| General > General Technical Chat |
| Ban of non-rechargeable batteries |
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| Cyberdragon:
Sub 1000mAh NiCd cells are often used in low power solar lamps (here in NA they are actual AA or AAA cells rather than those tiny soldered in button cells you have over there). I keep a little box of them around to swap out when one fails (also has a few NiMH and LiFePO cells). Yes, I know you should not store NiCd cells discharged, but I don't have a charger short of my bench supply, so I just chuck them when they get to 0.0V (they are cheap crap anyway). |
| Bud:
This is a huge industry and a source of revenue to the governments. Cant be easily banned i'd think. |
| KrudyZ:
--- Quote from: Cyberdragon on June 30, 2020, 03:41:35 pm ---Yes, I know you should not store NiCd cells discharged, but I don't have a charger short of my bench supply, so I just chuck them when they get to 0.0V (they are cheap crap anyway). --- End quote --- That is of course the real environmental concern. Buying cheap crap, containing toxic materials and chucking them after a short service life. That's how we turn the earth into a giant landfill... |
| retrolefty:
--- Quote from: 0xdeadbeef on June 30, 2020, 03:07:36 pm ---I haven't bought any non-rechargeable AA or AAA batteries in the last 20 years or so. I can't actually recall when I last bought some, but it must have been the 90s. Since Eneloops became available, these are more or less the only AA and AAA batteries I'm using (deliberately). The only non-rechargable AA/AAA batteries I own came in remotes and the like. I bought a few 9V batteries as long as there were no good alternatives available. Tried NiMH but the voltage is too low from the start. Some years ago, I replaced all of them with LiFePO4 batteries though which seem to be an ideal replacement. Other than that, Lithium coin cells are actually the only kind of non-rechargable batteries I bought in the last years and only for things like mainboard CMOS batteries where a rechargable battery wouldn't make much sense. --- End quote --- You might want to check out this rechargable 9V Li battery that includes charger and switching regulator. |
| tom66:
At one point Energizer sold 2650mAh AA Ni-MH cells although I think these were discontinued as their self-discharge rate was abysmal (30% capacity loss per month) and cycle life poor (300-400 cycles.) But they were available. |
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