i have had good success with the lithium piles. they are expensive and monitoring extensively. learning more and more about the different builds of batteries. was aware of of NiHM in conventional chargers getting very hot. and so taking extra precautions on those type of batteries, monitoring with infrared temp read out as well as touch. and they seem to charge cold. i actually ran into one i cannot explain (NiHM) it charges up to 1.5 volts, no capacity but charges caps. but will not run any resistive or inductive loads. strange
maybe its the first cold energy battery..lol. but will be taking many precautions, as i hope others do as well.
while we are at it then please exersize caution with non lead acid batteries, including but not limited to nicads, Metal Hydrides and Lithium Ions. It pays to search around and learn the basics of how that battery functions and how it is charged conventionally. Nicads for example can be discharged at C1 rates, and in some instances charged at C1 as well. But they are extremely sensitive to over charging. By all means consider the consequences of a small bomb going off inside your lab/house/garage/babys room. Read up on safety precautions and use common sense.


Just my not so humble opinion...
It goes much faster and really glows the neon brightly when not connected to a charge battery. I used the pot to get the brightest glow. I've noticed that slows down the fan speed, but that's the point where things start to "hum" sweetly.
I've got these two running in parallel off of the same source battery (a fresh 12V 7aH battery that started out reading ~12.68V) and I'm using them both to charge the original source battery (that had dropped to ~11.48, but in the past 30-45 minutes is back up to ~11.75V)... I'm going to let this charge that battery back up at least to ~12.88V again.
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