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I Hate Batteries
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magic:

--- Quote from: treez on April 11, 2020, 08:19:47 pm ---And the biggest point of all……..most people who use batteries do not have electronics knowledge…….due to this…they are falling for cheap rubbish batteries and throwing out mega-tons of rubbish re-chargeable batts  all the time….ditto chargers……mega tons of them, going on the scrap heap all the time

--- End quote ---
My parents might be an example of that :P
I found a bunch of NiMHs in their electronic waste bin which were quite fine except for highish ESR which prevented their fancy "15 minute" charger from working. I wonder if it was the 8A charging current which may have also caused that ESR in the first place?

But that's still nothing. What I hate most is equipment which runs on series connected packs and doesn't cut off or even signal when they enter cell reversal. This and all the nonsense about memory effect on the Internet and you have people damage those packs by running them down to absolute zero.
 |O
ogden:

--- Quote from: treez on April 11, 2020, 08:19:47 pm ---Also, when you take into account all the energy involved in battery manufacture, then batteries  really are an inefficient way to power things.

--- End quote ---
Bullshit. Batteries are currently most effective/compact way to store electrical energy.
NiHaoMike:

--- Quote from: ogden on April 11, 2020, 10:05:10 pm ---Bullshit. Batteries are currently most effective/compact way to store electrical energy.

--- End quote ---
Fuel cells do even better, albeit at a much higher cost...
ogden:

--- Quote from: NiHaoMike on April 11, 2020, 10:07:12 pm ---
--- Quote from: ogden on April 11, 2020, 10:05:10 pm ---Bullshit. Batteries are currently most effective/compact way to store electrical energy.

--- End quote ---
Fuel cells do even better, albeit at a much higher cost...

--- End quote ---
There is no such thing as more effective but higher cost. Take some time to process it...
MrMobodies:
I use rechargeables a lot for all sorts of things. I have a couple of old Conrad 2020 chargers. One since 2006 and other in 2012 and they still work except the first needed a new fan.

I had for about 6 years a collection of 2500mah Energizers but they discharged over a couple of weeks, then I had the Ansmann 2850mah in 2012 which were a little better with holding charge and now I am using Eneloops 1900 and so I don't need to charge them as much.

https://www.conrad.com/p/voltcraft-charge-manager-charge-manager-cm2020-10-slot-professional-universal-battery-charger-nicd-nimh-202020

For my lithium batteries I brought a SkyRC MC3000 which can also charge NiMH batteries but I find they get hot at a similar rate to the CM2020'S or maybe there is something I didn't set right.

I was looking around and found a teardown:

https://lygte-info.dk/review/Review%20Charger%20SkyRC%20MC3000%20UK.html

So far I have had no problems with it charging the 18650 cells and I didn't buy the cheapest.
I have been using them in a QD188-ALT powerbank for many years now to occasionally power up lot current 12v appliances and no problems so far.


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