1). Power source: 100V/240V or 12V auto AC switch

2). Compatible batteries:
3.7V 14500 rechargeable batteries
3.7V 18650/17670 rechargeable batteries

3). Charging time
1 to 2 hours for CR123A/14500 batteries
2 to 4 hours for 18650/17670 batteries

4). Measurements
Length: 140mm X Height: 29.5mm X Width: 65mm

5). Net weight: 150 gram, Gross weight: 210gram

6).12V car cable are optional,  which can charge for battery in car by