Nitecore Battery for TM03 (NI18650D) Nitecore Battery for TM03 flashlight. Grab a backup battery for your TM03 flashlight and always have power whenever you need it! Note: This battery is designed for use with the Nitecore TM03 only and can only be charged with Nitecore UM10 and UM20 chargers. In the following link, certify the authenticity of the product you purchased by entering the certification code.http://charger.nitecore.com/validation.
