---
product_id: 82407880
title: "MinChen 8.4V Battery Pack Case for 2/4/6 x 18650 Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone(No Batteries Included)"
brand: "minchen"
price: "€ 35.44"
currency: EUR
in_stock: true
reviews_count: 13
url: https://www.desertcart.hr/products/82407880-minchen-8-4v-battery-pack-case-for-2-4-6
store_origin: HR
region: Croatia
---

# MinChen 8.4V Battery Pack Case for 2/4/6 x 18650 Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone(No Batteries Included)

**Brand:** minchen
**Price:** € 35.44
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** MinChen 8.4V Battery Pack Case for 2/4/6 x 18650 Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone(No Batteries Included) by minchen
- **How much does it cost?** € 35.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/82407880-minchen-8-4v-battery-pack-case-for-2-4-6)

## Best For

- minchen enthusiasts

## Why This Product

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

## Description

Full description not available

## 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 Li-ion 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

## Images

![MinChen 8.4V Battery Pack Case for 2/4/6 x 18650 Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone(No Batteries Included) - Image 1](https://images-na.ssl-images-amazon.com/images/I/61mftK8lTPL.jpg)
![MinChen 8.4V Battery Pack Case for 2/4/6 x 18650 Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone(No Batteries Included) - Image 2](https://images-na.ssl-images-amazon.com/images/I/61w1cp4tZlL.jpg)
![MinChen 8.4V Battery Pack Case for 2/4/6 x 18650 Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone(No Batteries Included) - Image 3](https://images-na.ssl-images-amazon.com/images/I/41e3x2-90cL.jpg)
![MinChen 8.4V Battery Pack Case for 2/4/6 x 18650 Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone(No Batteries Included) - Image 4](https://images-na.ssl-images-amazon.com/images/I/61w1cp4tZlL.jpg)
![MinChen 8.4V Battery Pack Case for 2/4/6 x 18650 Battery Waterproof Safety Cycling Battery Pack Case Box Cover with DC and USB Interface for Bike Light Headlamp Cell Phone(No Batteries Included) - Image 5](https://images-na.ssl-images-amazon.com/images/I/61d11SsRzIL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐ 







  
  
    Poor quality - shuts off from small bumps/rattles.
  

*by M***R on Reviewed in the United States on January 11, 2019*

This pack is a piece of garbage. The batteries fit too loosely inside, and the current is momentarily interrupted when going over small bumps - this causes the bike light to shut off, and the cord must be unplugged and then replugged in order to turn the light back on - not very ideal when going downhill 40+ mph in the dark. Do yourself a favor and instead get the similar TrustFire 6x 18650 pack at the following URL which is the same price roughly, constructed with superior quality, and does not experience interruptions because of its robust design. https://www.amazon.com/dp/B07CV44ZDQ/ref=cm_sw_r_cp_api_i_ogtoCbTGQJPBE

### ⭐⭐⭐⭐⭐ 







  
  
    Good replacement for a Cree T6 bike light battery
  

*by R***Y on Reviewed in the United States on June 13, 2018*

Replaced an old shrink wrapped 4-cell 8.4v battery for a Cree Xml T6 bike light. This will work with either 4 or 6 18650 cells. With 6 Li batteries the Cree burned for 6 hours on high !  This case also has a USB power socket. The batteries can only be charged an 8.4v charger (NOT SUPPLIED), but if you are replacing an old light battery pack that charger will work fine. Also be aware this case is larger than a shrink wrap battery pack. It is 4.25 " tall and the old battery pack is about 3 " tall, so it is taller and bulkier, but with 50% more output capacity.

### ⭐⭐⭐⭐⭐ 







  
  
    Seems solid enough to reside inside bike bag.
  

*by D***E on Reviewed in the United States on September 2, 2019*

This 6-batter version is better than the 4-battery version merely because it has two screws holding the lid on. Am vaper with plenty 18650 batteries to repurpose, and chargers. Needed something to revive old Cree T6 bike light. Seems well built. Can actually screw and unscrew both lid screws at same time. This might help understand how small this thing is. Easily fits into small handlebar bag. Small gripe...one lid screw thread slightly damaged...if done gently, hopefully, over time, I can restore threads and have no issue getting threads to not cross-thread. Am currently using only 4 batteries. When light is hooked up, it's little power indicator light is lit up...whether this pack's power button is depressed, or not...I just unplug when not in use. This device's power button only works the usb out. Have not tried to connect power source-to-this device to charge batteries inside this device. Mounting strap is...well...a nice velcro strap, but doesn't keep device secure enough. I tried wrapping some sandpaper tape around bike frame. It did keep this from bouncing around, but this will reside in bike bag.

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**Shop now:** [https://www.desertcart.hr/products/82407880-minchen-8-4v-battery-pack-case-for-2-4-6](https://www.desertcart.hr/products/82407880-minchen-8-4v-battery-pack-case-for-2-4-6)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-02*