Get started
Provide your name and email to access the TCO and ROI calculators.
Products

24V-HD Auxiliary Battery
LFP drop-in replacement for lead-acid 24V systems. 10.6 kWh, 165 lbs, 7+ year life. Zero maintenance.
Compare ONE's 24V LFP battery vs. lead-acid — outright purchase or Battery-as-a-Service.
Provide your name and email to access the TCO and ROI calculators.

LFP drop-in replacement for lead-acid 24V systems. 10.6 kWh, 165 lbs, 7+ year life. Zero maintenance.