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October 13, 2009
about 7 years ago
we use FMA chargers here (quadrocopters – http://www.FlyingMachineArena.org)… seem to work pretty well. They auto-start, check for the usual error conditions, and in general seem pretty easy to use. (I’m not associated with FMA Direct Inc in any way)
I agree, this one is pretty poor. The best Ah/kg density I’ve found so far are still the ThunderPower ProLite batteries (I’m not associated with them in any way).
If anyone knows of lighter batteries (less than 150g for 2.1Ah3s), please, please say so :-)
The only problem with the TP’s is that a lot of them puff up quite a bit… but the capacity lost isn’t that great and we haven’t had any explosions :-) yet.
about 8 years ago
The pads are NOT visible from the side of the chip (the metal is purely on the bottom)… but if your pads are big enough you can still solder it together indirectly with some luck (use solder paste + small tip)
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