---
product_id: 55900183
title: "MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red)"
brand: "minchen"
price: "1302609₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/55900183-minchen-bike-light-batteries-pack-case-waterproof-case-for-6
store_origin: VN
region: Vietnam
---

# Waterproof 8.4V Output DC & USB Interface MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red)

**Brand:** minchen
**Price:** 1302609₫
**Availability:** ✅ In Stock

## Summary

> 🚴‍♂️ Light Up Your Adventure with MINCHEN!

## Quick Answers

- **What is this?** MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red) by minchen
- **How much does it cost?** 1302609₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/55900183-minchen-bike-light-batteries-pack-case-waterproof-case-for-6)

## Best For

- minchen enthusiasts

## Why This Product

- Trusted minchen brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy Setup:** Load and go—just insert batteries and screw on the cover!
- • **Stay Connected:** USB interface for emergency phone charging on the go.
- • **Rugged & Reliable:** Durable, lightweight, and waterproof design for all weather conditions.
- • **Power Up Your Ride:** Rechargeable 8.4V battery pack for ultimate cycling safety.
- • **Visual Power Check:** Power status indicators keep you informed.

## Overview

The MINCHEN Bike Light Batteries Pack Case is a waterproof, rechargeable battery pack designed for cycling enthusiasts. It accommodates 6 x 18650 batteries, providing an 8.4V output for bike lights and headlamps, while also featuring a USB interface for emergency phone charging. With a durable plastic construction and power status indicators, this lightweight case ensures you stay powered up and safe on your rides.

## Description

MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red)

## Features

- The Rechargeable Waterproof 18650 Battery Case is special designed for Cycling Bike light Headlight, with DC and USB interface; DC interface is for connecting 8.4V Bike light, USB interface suitable for connecting 4.2v Bike light head lamp, or charge cell phone in emergency
- Easy and convenient to use:Just Load 4-6pcs 18650 3.7v Rechargeable batteries into the case rightly and screw the cover on, then a 8.4V Batteries pack power bank are ready for your expensive Cycling Bikelight Headlamp or charge your mobile phone
- Material: Durable Plastic, Light weight and Waterproof, Case Size: 9x 6.7 x 4.8cm
- [Power Status Indicator Showing] Turn on the Blue Switch, 3x Blue Indicators will showing you the batteries power status inside:Three lights lit on(power≥80%). - Two lights lit on(50%≤power≤80%). - One light lit on(runtime≤30minutes, need change batteries or charge batteries).
- Standard 5.5 DC interface,Output voltage: 8.4V, Input voltage: 8.4V

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 4.8 x 3.4 x 2.7 inches |
| Package Weight | 0.2 Kilograms |
| Brand Name | MINCHEN |
| Country of Origin | China |
| Color | Red for 6 |
| Manufacturer | MINCHEN |
| Part Number | 8.4V battery case for 6x 18650 |

## Images

![MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red) - Image 1](https://m.media-amazon.com/images/I/41s0nxg0yLL.jpg)
![MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red) - Image 2](https://m.media-amazon.com/images/I/61uP19ZRPeL.jpg)
![MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red) - Image 3](https://m.media-amazon.com/images/I/61nRdGK0AIL.jpg)
![MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red) - Image 4](https://m.media-amazon.com/images/I/61mJtqILqdL.jpg)
![MINCHEN Bike Light Batteries Pack Case, Waterproof Case for 6 x 18650, 8.4V Rechargeable Cycling Safety Battery Pack Case House Cover with DC and USB Interface for Cycling Bike Light Headlamp(Red) - Image 5](https://m.media-amazon.com/images/I/61j8mbClLtL.jpg)

## Questions & Answers

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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.vn/products/55900183-minchen-bike-light-batteries-pack-case-waterproof-case-for-6](https://www.desertcart.vn/products/55900183-minchen-bike-light-batteries-pack-case-waterproof-case-for-6)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-01-30*