Features: Very compact. Very good quality. Solid construction. Short circuit protection. Charging when the LED is Red, Full Charged when the LED is Green. Charging time varies with the size of batteries. 12V 5-7AH takes about 6 hours. 12V 9AH takes about 10 hours. 12V 15-17AH takes about 13-15 hours. Specifications: Plug: US Plug/EU Plug. Input: AC 100-240 V, 50-60HZ. Output: DC 12V 1.0A. LED indicator: Red = charging. Green = Battery full. Dimension: 85 x 48 x 30mm. Power Wire length: 48.5 cm. Input Wire length: 65 cm. Output Wire length: 85 cm. Package Included: 1 x Battery Charger