Specifications: Product Name: XTAR SC1 Battery Charger Brand: Xtar Model: SC2 Input : DC 5V 2.1A Cut-off Voltage: 4.2V0.05V Constant Current: 2A1 Size: 105*35*39mm Weight: 37g Operating Temperature: 0-40C Features: 1. A Powerful Speedy Charger for Everybody. 2. Real 2A fast charging, fully charge VTC5 in 1.25hrs. 3. Charge anywhere anytime with Micro USB charging port. 4. Compatible with 5V USB power includes USB wall adapters, solar panel, power banks, etc 5. Easy-to-read LED indicator. 6. Reverse-polarity / short circuit / overcharge / overheat protection. Note: Apply to 3.6/37V Rechargeable 18650/18700/20700/21700/22650/25500/26650 lithium battery. Package Included: 1 Battery Charger 1 User Manual 1 Charging Cable