This is the 2000mah for Sony for Playstation PS4 Double shock 4 Controller Battery+ Charge USB Cable.

Description:
Brand new battery pack for your for Sony for Playstation PS4 controllers
Recharge battery while you continue to play
High performance Li-ion rechargeable batteries charge indicators
Charged by USB cable via your for Sony for Playstation PS4 or USB device
Capacity:2000mah
Maximum charge current:0.4 A
Maximum charge voltage:4.2V
battery only， for Sony for Playstation PS4 Controller not inclued
Note:Do not expose to high temp