What voltage is the supply?
12A max, @ 26.8V to XLR? Would be about right?
So you need a CC/CV charger that will work from a higher voltage like 36?
Burgerman wrote:Discharge to lowest 3.6V (3.7V for safety which will be about a weeks use earlier)
Burgerman wrote:Or you can use say 8S and 4p 21700 cells and build a physically small firework 20Ah 35V battery in a small bag carried on the chair push handles. And use this, to give say constant 27V and 3 to 5A limited CC/CV charge via XLR all day long. So adding 50% or 60% to the range. https://www.ebay.co.uk/itm/226087828265
Been planning to build one to lend out myself for years. Never get around to it!
It would extend the lifespan of lead by a long time, maybe double or better if set as suggested above.
4 or 5 Amps isnt enough for continuous rolling. But it would still more or less keep up as it catches up when you stop for a few mins or eat etc.
Remember that 4A charge is 20Ah restored every 5 hours. About the rate most people use up the battery. So low DoD average.
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