Features:
Full Compatibility: Works with D3100/D3200/D3300/D3400/D3500/D5100/D5200/D5300/D5500/D5600/P7000/P7100/P7700/P7800 and more.
Display: Built-in indicator can shows the status of each intuitively. 
Effective : Dual can two simultaneously, effectively saving .
Multiple Options: With a USB cable enables the to into any source with a USB port. 
Multiple conservation: against over-circuit, over-, over-voltage, over-current.
Pocket Size: Compact and easy to carry, save more space for you, this set is your choice.

Specifications:
Capacity: 1500mAh
Voltage: 7.4V
Size: 5 * 3.5 * 1.5cm/ 2 * 1.4 * 0.6in
Weight: 39g/ 1.4oz(1pc)
Size: 8.5 * 5 * 2cm/ 3.3 * 2 * 0.8in 
Weight: 42g/ 1.5oz

Package List: D10674
2 * EN-EL14 (1500mAh)
1 * EN-EL14 Dual Channel
1 * USB Cable