Features:
The 3 slots charger can simultaneously charge up to 3 batteries.
Charging time: it only takes around 1.5 hours to fully charge 3 batteries at once.
Copper Plugs: made with premium copper to ensure high performance and stability.
Strong compatibility: works with TELESIN battery pack and original battery pack.
This 3-Channel charger can be powered by wall charger adapter, power bank, or your PC, laptop, etc.
USB type C interface: free to insert port, no matter positive/negative, very convenient.
Smart IC prevents battery from overcharging, overheating and short circuit.
Compact design, small size and lightweight, this battery charging & carrying storage box is easy to carry around for your trips.
3 LED indicator lights, RED color when the battery is charging and GREEN color when charging is completed.

Specifications:
Material: ABS
Color: black
Charger input: 5V/2A
Charger output: 4.3V/0.8A per channel
Charger box dimensions: 46 x 49 x 49 mm / 1.81" x 1.92" x 1.92"
Compatible with Battery Models:  For GoPro AHDBT-501
Compatible with Digital Models: For GoPro HD Hero 5 Black

What's included:

1 x Battery Charging Box (Batteries not included)