Listman Bl2 charger offers the possibility of charging 2 18650 batteries at 1A or 1 battery at 2A in addition to serving as a powerbank that can recharge your high-tech equipment. Brand: Listman Unit: 1 Set Dimensions: 109 * 51 * 51 * 24mm Input: 5V2A Constant current at load: 2A*1/1A*2 USB output: 5V2A Limited charging voltage: 4.20+-0.05V End charging current: <120mAh Operating temperature: 0-40C 3.6V / 3.7V / Li ion / IMR / ICR / INR 18650 charge indicator indicating the state of charge. Voltage activation 0V Charging modes: 3-stage battery mode: TC / DC / CV CT: less than 2.9V, low charge current 0.1A DC: constant load 2A Package: Simple Packing