Provide Electricity For Your Outdoor Activities: Battery box can provide energy for your bicycle lights Battery box can also provide power support for your other small lamps meet some of your creativity Battery box can also provide energy for your mobile phone.
No Complicated Operation Is Required: This battery box only needs 4x18650 batteries, and the battery box has a USB/DC interface, which can charge the electrical appliances with USB interface
Satisfy Your Creativity: Battery box can be fixed on your bike, provide power for your lights, battery box can also be used in camping can be waterproof, battery box can also be used to do scientific experiments to complete your DIY
Large Capacity Is More Durable: This battery case can accommodate 4x18650 battery, battery box has an elastic band, USB/DC interface
Good For Outdoor Travel: As a battery carrier, this charging bank can provide electric energy, and this battery holder charger is easy to carry, waterproof, mobile phone charging
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