Battery & Charger Tester
For testing the BMS (Battery Management System) of your Onean batteries and chargers. Important for best performance, charging and safety. This handy tester should always be used before charging or storing LI batteries.
For testing the BMS (Battery Management System) of your Onean batteries and chargers. Important for best performance, charging and safety. This handy tester should always be used before charging or storing LI batteries.