---
product_id: 409999495
title: "Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS diy battery special plastic diy kit, Black, Small"
brand: "xberstar"
price: "₨18712"
currency: LKR
in_stock: true
reviews_count: 5
category: "Xberstar"
url: https://www.desertcart.lk/products/409999495-li-ion-battery-storage-box-3x7-18650-holder-for-uninterrupted
store_origin: LK
region: Sri Lanka
---

# Waterproof plastic case Compact 65x94x150mm size Holds 21x 18650 cells Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS diy battery special plastic diy kit, Black, Small

**Brand:** xberstar
**Price:** ₨18712
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your DIY game with the ultimate 18650 battery fortress!

## Quick Answers

- **What is this?** Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS diy battery special plastic diy kit, Black, Small by xberstar
- **How much does it cost?** ₨18712 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/409999495-li-ion-battery-storage-box-3x7-18650-holder-for-uninterrupted)

## Best For

- xberstar enthusiasts

## Why This Product

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

## Key Features

- • **Complete DIY Kit Ready:** Includes holder, PCB, and nickel-plated steel strips—everything except batteries to jumpstart your build.
- • **Sleek & Compact Design:** Streamlined 65x94x150mm footprint fits seamlessly into any DIY UPS or battery project.
- • **Durable Waterproof Shell:** Protect your investment with a robust, water-resistant plastic case built for longevity.
- • **Maximize Your Power Bank:** Securely stores up to 21 high-capacity 18650 lithium-ion cells for uninterrupted energy flow.
- • **Lead-Acid Replacement Made Easy:** Upgrade to lithium power effortlessly with a specialized case designed for modern battery tech.

## Overview

This Li-Ion Battery Storage Box is a compact, waterproof plastic case designed to hold 21 standard 18650 lithium-ion cells. Ideal for DIY UPS projects, it includes holders, a 3s25a PCB, and nickel-plated steel strips, providing a complete kit (batteries not included) to replace traditional lead-acid battery setups with a modern, efficient lithium solution.

## Description

18650 Storage Box 12v lithium battery special plastic waterproof case Appearance size: 65*94*150mm Internal dimensions: 60*80*146mm can hold 21 pcs 18650. Replace Lead-Acid for Lithium Battery Case . Note: This kit does not include batteries, the battery in the picture is just an effect after installation! Checklist： case*1 holder*2 3s25a pcb*1 Nickel-plated steel strip*4

Review: Complessivamente un buon prodotto completo di tutto, non eccelsa la qualità delle plastiche
Review: Calidad buena coincide con el anuncio. Funciona perfectamente la BMS y encaja perfectamente las baterías 18650 con el montaje descrito

## Features

- Appearance size: 65*94*150mm
- Internal dimensions: 60*80*146mm .can hold 21 pcs 18650
- This kit does not include batteries

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B091FYHBBW |
| Best Sellers Rank | 115,204 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 986 in Household Battery Holders |
| Guaranteed software updates until | unknown |
| Item model number | bp00100 |
| Manufacturer | XBERSTAR |
| Package Dimensions | 14.91 x 9.5 x 6.4 cm; 181 g |

## Product Details

- **Battery capacity:** 12 Volts
- **Battery cell composition:** Lithium Ion
- **Brand:** XBERSTAR
- **Recommended uses for product:** Ups
- **Unit count:** 1.0 count

## Images

![Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS diy battery special plastic diy kit, Black, Small - Image 1](https://m.media-amazon.com/images/I/51AtIozERWL.jpg)
![Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS diy battery special plastic diy kit, Black, Small - Image 2](https://m.media-amazon.com/images/I/41Wx4woyRaL.jpg)
![Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS diy battery special plastic diy kit, Black, Small - Image 3](https://m.media-amazon.com/images/I/41XnVWzNX8L.jpg)
![Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS diy battery special plastic diy kit, Black, Small - Image 4](https://m.media-amazon.com/images/I/61Y3E3VGIvL.jpg)
![Li-Ion Battery Storage Box 3x7 18650 Holder for Uninterrupted Power Supply UPS diy battery special plastic diy kit, Black, Small - Image 5](https://m.media-amazon.com/images/I/617es0Y9aPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***. on 9 March 2023*

Complessivamente un buon prodotto completo di tutto, non eccelsa la qualità delle plastiche

### ⭐⭐⭐⭐⭐ Review
*by J***S on 23 March 2023*

Calidad buena coincide con el anuncio. Funciona perfectamente la BMS y encaja perfectamente las baterías 18650 con el montaje descrito

### ⭐⭐⭐⭐⭐ Review
*by G***S on 14 November 2024*

Didn't use the inegrated strips I used my own full nickel strips instead but really happy with it overall ,price is higher than other sellers for the same kit.

## Frequently Bought Together

- XBERSTAR Li-Ion Battery Storage Box 3x7 18650 Holder for DIY Battery Special Plastic DIY kit, Black (Black)
- Li-Ion Battery Storage 3x7 18650 Holder for Uninterrupted Power Supply UPS DIY Battery Special Plastic DIY kit (Bracket Set Without case)
- XBERSTAR 18650 Battery Holder,12V 3S 7P Li-ion DIY Case Holder for 18650 Powerwall Battery Pack Spot Clamp (Black)

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**Shop now:** [https://www.desertcart.lk/products/409999495-li-ion-battery-storage-box-3x7-18650-holder-for-uninterrupted](https://www.desertcart.lk/products/409999495-li-ion-battery-storage-box-3x7-18650-holder-for-uninterrupted)

---

*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-18*