Material: 
<br />Product name: Battery pack
<br />Color: Black
<br />Size:8*5*5 cm/3.14*1.96*1.96 inch
<br />Length of cable: 35 cm/13.7 inch
<br />Output: 8.4V
<br />Capacity: 5200 mAh
<br />Waterproof level: IPX8
<br />Package includes:
<br />1x Battery pack
<br />1x (US,UK,AU,EU)Power supply adapter
<br />Description
<br />100% new and high quality.
<br />4X18650 Waterproof battery pack lights accessories.
<br />With intelligent protection circuitry to prevent excessive battery charging.
<br />Seamless package design, absolutely waterproof.
<br />Double strap design, more secure and reliable.
<br />Effective waterproof, dustproof, anti-corrosion, shock compression.
<br />Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!