Model:KN-U30A Product Features Suitable for 1-4pcs AA/AAA, 1.2V Ni-Mh battery Four independent charging channels, LED indicator show corresponding charging status. Microprocessor control with over-heat protection. Control method:-△V、0△V、Max T、Max Time 、dT/dV 、Max V Outer switching power adapter. With car charging function Aluminum cooling system Primary battery and damaged battery auto-detection Classic design with aluminum shell Specifications Input AC 100-240V, 50/60Hz Output: AA: 1.2Vx4 DC 2700mA AAA: 1.2Vx4 DC 1500mA MIX: 1.2Vx4 DC 1500mA Trickle charging current：AA: 80mA AAA: 40