KN-891B8 Main Features Charges 2/4pcs AA/AAA, 1.2V Ni-Mh battery The LED indicator shows the corresponding charging status Microprocessor control with - V, 0 V, Max Temp, Max Time, dT/dV, Max V Build-in switching power adapter for universal voltage 100V-240V Compact design Primary battery and damaged battery auto-detection Specifications Input: AC: 100V-240V, 50/60Hz Car adapter: 12-16V DC 0.4A MAX Output: AA: 2.4V×1 DC 800mA  2.4V×2 DC 400mA  AAA: 2.4×1 DC 800mA Trickle charging current：40mA