Lightweight battery snobs...
#65
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Lightweight battery snobs...
Mine needs a jump by week 3 but after running 5 minutes seems to start like new. I think it has a draw on it when parked due to radio or alarm or something, even when alarm is not set. Light, cheap, and functional is all I require and it works for me.
Miata=riding lawnmower
Miata=riding lawnmower
#67
I think the battery/super cap hybrid ends up being heavier and more expensive than a reasonably sized Lifepo4.
As far as minimum sized battery- The good lifepo4 cells have huge discharge rates so you are mostly shopping for capacity and not cranking amps. Anything close to functional in terms of capacity will start the car if the cells are rated at 30c.
This is a good spread for small batteries from smaller to bigger:
ZIPPY Flightmax 8400mAh 4S2P 30C LiFePo4 Pack
Alien Motion Lithium Battery - LiFePo4 Lightweight Power Sports Battery
EVO2 16 Cell, Ballistic Performance Components
Alien Motion Lithium Battery - LiFePo4 Lightweight Power Sports Battery
I have the alien motion 12 cell in a car that sees some street driving. If my car wasn't parked in a heated garage I would put one of the larger batteries in.
As far as minimum sized battery- The good lifepo4 cells have huge discharge rates so you are mostly shopping for capacity and not cranking amps. Anything close to functional in terms of capacity will start the car if the cells are rated at 30c.
This is a good spread for small batteries from smaller to bigger:
ZIPPY Flightmax 8400mAh 4S2P 30C LiFePo4 Pack
Alien Motion Lithium Battery - LiFePo4 Lightweight Power Sports Battery
EVO2 16 Cell, Ballistic Performance Components
Alien Motion Lithium Battery - LiFePo4 Lightweight Power Sports Battery
I have the alien motion 12 cell in a car that sees some street driving. If my car wasn't parked in a heated garage I would put one of the larger batteries in.
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