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Bike Light 4x 18650 Battery Pack Case, Waterproof Battery Pack Case Box House Cover with Dual Interface for Cycling Bike light lamp and Mobile Phone (Black for 4)

Q: For the 5v usb, does it use a buck converter (switching) or linear step-down converter to get voltage down from 7.4v to 5v?

Drive internal depressurization, USB terminal does not need external epuipment to get voltage down,can use USB Cable to charge phone directly.

Q: Are all button type 18650 protected?

Protected? Not sure what you are asking. I use this for road bike lights. Unit is waterproof and controlled with positive discharge / use vis a button.

Q: Can I use just 2 batteries? Will it still work?

It's better to use at lease 4PC 18650 full charged batteries.

Q: Does this provide continous power to 5v usb without turning off without the device drawing power like a power supply?

Yes it does. I power my night bike lights and charge my phone at the same time. Love it.

Product ID: 561222051

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Frequently Bought Together

Description

Bike Light 4x 18650 Battery Pack Case, Waterproof Battery Pack Case Box House Cover with Dual Interface for Cycling Bike light lamp and Mobile Phone (Black for 4)

Specifications

Item Package Dimensions L x W x H	4.5 x 3 x 3 inches
Package Weight	0.14 Kilograms
Brand Name	MinChen
Country of Origin	China
Color	Black for 4
Manufacturer	MINCHEN
Part Number	8.4V battery case for 4x 18650

Have a Question? See What Others Asked

For the 5v usb, does it use a buck converter (switching) or linear step-down converter to get voltage down from 7.4v to 5v?

Are all button type 18650 protected?

Can I use just 2 batteries? Will it still work?

Does this provide continous power to 5v usb without turning off without the device drawing power like a power supply?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

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4297₴

Duties & taxes incl.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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