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Old March 1st 17, 06:09 PM posted to rec.aviation.soaring
Jim White[_3_]
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Posts: 286
Default Test results LiFePO4 glider batteries after 6 years

At 13:29 01 March 2017, Roy Garden wrote:
At 11:58 01 March 2017, Jim White wrote:
At 10:29 01 March 2017, Roy Garden wrote:
You don't charge a LiPo from a lead acid charger.

Not strictly true Roy. According to the datasheet and user manual A12

batteries are compatible with a standard SLA charger however will

probabl
be optimum with a proper one. I use a Ctek Lithium XS for mine.

Absolutely, strictly, true.
You'll "Get away" with occasional charges from a lead acid battery charge

on LiFePo4 batteries (If the voltage is vaguely compatible)
But on a pack, you'll loose the "Balance" in the pack and in fairly short


order destroy the pack.

The differences between PB, LiPo and LiFePo4 are of the order of putting
Petrol into a diesel engine.
If you put the wrong stuff in the wrong place, You'll break things.

PB Chargers do not have such robust dead short protection as modern
chargers, and with LiPo can leave you open to causing a thermal runaway
on a LiPo.

Get modern chargers and batteries.


Roy, I suggest you actually read the literature about the battery to which
I refer before you diss my post. A123 batteries are perfectly happy with an
SLA charger as the BMS is rather good by comparison with cheaper types.

And as for petrol vs diesel engines you should perhaps read up on tank
design too