MINCHEN 8.4V Battery Pack Case for 2/4x 18650 li-ion Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone, no Battery Included

Description

⚡ Stay powered, stay unstoppable — wherever the trail takes you!

The MINCHEN 8.4V Battery Pack Case is a rugged, waterproof housing designed for 2 or 4 x 18650 rechargeable Li-ion batteries (not included). Featuring dual DC and USB output ports, it powers 8.4V or 4.2V bike lights and can emergency charge phones. With smart LED power indicators and built-in overcharge/discharge protection, it’s the perfect DIY power solution for serious cyclists who demand reliability and versatility in all conditions.