---
product_id: 673853335
title: "New 0 Cycled Li-ion Battery for Galaxy S21 5G SM-G991U/U1/B/W Series"
brand: "maxsharks"
price: "AR$81678"
currency: ARS
in_stock: true
category: "Maxsharks"
url: https://www.desertcart.com.ar/products/673853335-new-0-cycled-li-ion-battery-for-galaxy-s21-5g
store_origin: AR
region: Argentina
---

# Galaxy S21 5G perfect fit 0-cycle fresh Li-ion power Pro toolkit included New 0 Cycled Li-ion Battery for Galaxy S21 5G SM-G991U/U1/B/W Series

**Brand:** maxsharks
**Price:** AR$81678
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your Galaxy S21 5G like a pro—DIY upgrade, zero downtime!

## Quick Answers

- **What is this?** New 0 Cycled Li-ion Battery for Galaxy S21 5G SM-G991U/U1/B/W Series by maxsharks
- **How much does it cost?** AR$81678 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/673853335-new-0-cycled-li-ion-battery-for-galaxy-s21-5g)

## Best For

- maxsharks enthusiasts

## Why This Product

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

## Key Features

- • **Zero-Cycle Freshness:** Brand new Li-ion battery ensures peak performance and longevity from day one.
- • **All-in-One Repair Kit:** Includes professional-grade tools and adhesive for a seamless DIY replacement.
- • **Tailored Compatibility:** Specifically engineered for Galaxy S21 5G SM-G991 series for flawless integration.
- • **Effortless Installation:** Pre-installed adhesive strips make battery replacement quick and mess-free.
- • **Step-by-Step Confidence:** Comprehensive repair guide empowers you to fix your phone like a pro.

## Overview

This MAXSHARKS 0-cycle lithium polymer battery is a perfect internal replacement for Galaxy S21 5G SM-G991 series phones. It comes with pre-installed adhesive, a pre-cut back cover adhesive, a full professional toolkit, and a detailed repair guide, enabling a confident and efficient DIY battery swap that restores your phone’s original power capacity.

## Description

New 0 Cycled Li-ion Battery for Galaxy S21 5G SM-G991U/U1/B/W Series, Internal Replacement Battery Compatible with Galaxy S21 5G, Includes Instruction & Tools

## Features

- Compatible Phone Model: This battery kit is specifically designed for Galaxy S21 5G SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W series, please double confirm your phone model before purchasing
- Important: To achieve optimal calibration, a new battery should undergo at least three full charge and discharge cycles.
- Original back cover adhesive included: The battery comes with a pre-installed adhesive—just peel off the protective film and firmly press the battery into place for straightforward installation. The package also contains a pre-cut adhesive for the back cover, enhancing convenience.
- Comprehensive repair guide: A detailed repair guide is included in the package, providing you with the information needed to confidently carry out the repair on your own.
- Complete professional toolkit: This kit includes a carefully selected range of tools necessary for the repair process, ensuring a professional and safe experience. Designed for ease of use, it gives you the confidence to complete your repair efficiently.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DK5V98GX |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 25 Grams |
| Brand | MAXSHARKS |
| Customer Reviews | 3.5 3.5 out of 5 stars (12) |
| Manufacturer | MAXSHARKS |
| Model Number | EB-BG965ABA |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Unit Count | 1.0 Count |

## Product Details

- **Battery Cell Composition:** Lithium Polymer
- **Battery Weight:** 25 Grams
- **Brand:** MAXSHARKS
- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Unit Count:** 1.0 Count

## Images

![New 0 Cycled Li-ion Battery for Galaxy S21 5G SM-G991U/U1/B/W Series - Image 1](https://m.media-amazon.com/images/I/71CBuhWzgEL.jpg)

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**Shop now:** [https://www.desertcart.com.ar/products/673853335-new-0-cycled-li-ion-battery-for-galaxy-s21-5g](https://www.desertcart.com.ar/products/673853335-new-0-cycled-li-ion-battery-for-galaxy-s21-5g)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-09-30*