Packing list: 2 * batteries, 1 * charger, 1 * micro-usb cable built-in multiple circuit protection (over-charging, short-circuit, high-temperature, and surge protection) and fire-resistant construction Each battery features high capacity, keeping your nikon camera running for longer time Input: DC5V +/- 5% Output: DC8.4V +/- 0.05V, 500mA (MAX) 24-month warranty and 24-hour customer service