Product features: 1.2000 mAh high capacity rechargeable maintenance-free lead-acid batteries long life, more than 500 times charge cycle life. Product includes a 5V input nstructions 2. After purchasing this product, in a 2-hour 8-10 hour charge before. Battery charging, the led is lit red, charge about 4-6 hours. Products can continue to use in the case of full charge 4 8 hours or so.

Note: the battery charger output voltage and current of 300mAh.

Safety precautions: 1. do not use when charging rechargeable flashlight, otherwise it will burn out electrical equipment and components. 2. Please do not directly into the eye, so as not to affect vision. 3. children must accept adult guidance. 4. the battery charging time is no more than 18 hours.