Nitecore SC2 Superb Charger 2-Slot Battery Compatible with IMR/Li-ion/LifePo4 Input AC: 100-240V 50/60Hz 0.9A(max) 30W & DC: 12V 2.5A Output 4.35V1%/4.2V1% 3.7V1%/1.48V1% 3A+2A, max USB: 5V, 2.1A