18650 lithium ion polymer battery charger 1. Vin: 100-240VAC 2. Charging current: ... ,1A optional 3. Vout: 4.2V Product Name: 18650 Lithium ion polymer battery charger, single channel - Input voltage: AC100-240V, 50 ... , over charge protection, over discharge protection,short-- circuit protection- Charger for a single 18650, RCR123A, 16340 battery- RoHS, CE, UL conformance ...