7 Series 60W 24V Lithium Ion Battery Charger 1. Pre-charge-CC-CV 2. UL, GS, PSE, ... . Short circuit protection 4. Led 7 Series 60W 24V Lithium Ion Battery Charger for Electric Bicycle Power Tool E bike with UL ... -CV)Option: a) NTC inside b) 100% cut off when battery fully chargedDual color LED indicator:(Charging:Red; Fully charged or ...