Onean Battery Tester

$49

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

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

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