The battery pack uses four 3.5 V LiFePO 4 cells wired in series to achieve a nominal 12 V supply that stands in for a traditional lead-acid battery. The angel of second-hand purchases was smiling ...

But the LiFePO4 cells look like they’re pretty robust compared to their other lithium battery cousins, and the voltage profile only really varies from 3.4 V at 10% charge to 3.6V at 90% charge.

denotes a substantial progression in the field of battery technology. It can be a compelling substitute for both lithium-ion batteries based on LiFePO4 (LFP) and sodium-ion batteries (NIBs), which ...