RE: Commercial Orders17 Mar 2026 17:21
Neon,
Density (Wh/kg): To compare how lightweight/compact a battery is, manufacturers use Wh/kg (energy density) rather than just Ah. A 6S (22.2V) 22Ah battery has 488Wh, while a 12S (44.4V) 11Ah battery also has 488Wh. Both deliver the same total energy but at different voltages, meaning they could have the same weight, even though their Ah ratings are different.
In summary, amp hours tell you the charge, but you must multiply by voltage to get the energy (Wh), and then divide by mass (kg) to understand the energy density (Wh/kg