Features: 1. Four independent slots,can charge 1-4 pcs of NiMH/NiCD AA or AAA in any combinations. 2. Powered by any USB adapter,smartphone charger or power bank. 3. Individual battery charging status. 4. LCD display for easy reading. Specifications: Brand: SKYRC Name: NC1600 AA/AAA Battery Charger Item NO.: SK-100191 USB Input Power: 5V/3A/2.1A Operation Mode: CHARGE DISCHARGE and REFRESH Charge Current: When powered by 5V/2.1A adaptor: 1600mA/slot for 2 batteries; 1000mA/slot for 4 batteries. Discharge Current: 100-700mA Trickle Current: 30-70mA Operating Temperature : 0-40℃ Size: 108*79* 32.9mm Net Weight: 114g Package Included: 1 x SKYRC NC1600 AA/AAA Battery Charger 1 x USB Cable 1 x Manual