--- product_id: 517070807 title: "Replacement Battery for Galaxy Watch Active 2 (40mm), EB-BR830ABY Battery Compatible with Samsung Galaxy Watch Active 2 40mm SM-R830 SM-R835, with Repair Tools & Instruction" brand: "maxsharks" price: "₱2393" currency: PHP in_stock: true reviews_count: 3 category: "Maxsharks" url: https://www.desertcart.ph/products/517070807-replacement-battery-for-galaxy-watch-active-2-40mm-eb-br830aby store_origin: PH region: Philippines --- # Compact 0.78x0.78x0.39 in 3.85V Li-Po power Pro-grade repair tools included Replacement Battery for Galaxy Watch Active 2 (40mm), EB-BR830ABY Battery Compatible with Samsung Galaxy Watch Active 2 40mm SM-R830 SM-R835, with Repair Tools & Instruction **Brand:** maxsharks **Price:** ₱2393 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your Galaxy Watch with confidence—DIY repair just got professional! ## Quick Answers - **What is this?** Replacement Battery for Galaxy Watch Active 2 (40mm), EB-BR830ABY Battery Compatible with Samsung Galaxy Watch Active 2 40mm SM-R830 SM-R835, with Repair Tools & Instruction by maxsharks - **How much does it cost?** ₱2393 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/517070807-replacement-battery-for-galaxy-watch-active-2-40mm-eb-br830aby) ## 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 - • **DIY Repair Made Easy:** Comes with a professional toolkit and detailed step-by-step guide to empower your confident, hassle-free battery replacement. - • **Precision Power Boost:** Original zero-cycle Li-Po cell ensures peak battery life and reliable performance for your Galaxy Watch Active 2. - • **Eco-Smart Rechargeable:** Rechargeable lithium polymer battery designed for sustainability and long-term use, reducing electronic waste. - • **Safe & Secure Shipping:** Custom hard plastic case with anti-static foam protects your battery from bumps and pressure during delivery. - • **Tailored Compatibility:** Specifically engineered for Samsung Galaxy Watch Active 2 40mm models SM-R830 and SM-R835—no guesswork needed. ## Overview The MAXSHARKS Replacement Battery for Galaxy Watch Active 2 (40mm) is a genuine zero-cycle lithium polymer battery delivering 3.85 volts of reliable power. Designed exclusively for Samsung Galaxy Watch Active 2 models SM-R830 and SM-R835, it includes a professional-grade repair toolkit and a detailed instruction guide to facilitate a smooth, do-it-yourself battery replacement. Packaged securely in a custom hard plastic case with anti-static foam, this rechargeable battery ensures safe shipping and long-lasting performance, making it an eco-conscious choice for smartwatch users seeking to extend their device’s lifespan. ## Description MAXSHARKS Replacement Battery for Galaxy Watch Active 2 (40mm) , EB-BR830ABY Battery Compatible with Samsung Galaxy Watch Active 2 40mm SM-R830 SM-R835, with Repair Tools & Instruction Review: zero stars - battery sucks and you will need to charge your watch once a day maybe more Review: Wrong tool sent - To do this battery replacement you need a y00 3 blade screwdriver they sent a .06 which is too big I had to order a Y00 screwdriver to remove and reinstall the screws. The instructions were good except for either the second page was missing or they were incomplete. The watch did work when done I would advise a magnifying device and a bright work area. ## Features - Compatible Smartwatch Model: This battery kit is specifically designed for Samsung Galaxy Watch Active 2 40mm (with model SM-R830 SM-R835 series), please double confirm your smartwatch model before purchasing - Quality Li-Po Cell: Built with brand new zero cycle original Li-Po cell, manufactured and tested under UL2054 test standards to ensure the best performance and long-lasting battery life. NOTE: A new battery requires at least three full charge and discharge cycles to properly calibrate the battery management system - Detailed Repair Guide: The package includes a complete and detailed repair guide, allowing you to easily handle the repair yourself with convenience and peace of mind - Professional Repair Toolkit: Carefully selected by our expert repair team, this kit includes every tool you need for the repair process. It's professional, safe, and easy to use, giving you the confidence to complete your repair quickly and efficiently - Extra Protection: Each smartwatch battery is packaged in a custom hard plastic case with anti-static foam inside, providing effective protection against bumps and pressure during shipping, ensuring your item arrives safely ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BFM3MQZM | | Antenna Location | Watch | | Battery Capacity | 3 Volts | | Battery Cell Type | Lithium Polymer | | Battery Weight | 10 Grams | | Best Sellers Rank | #137,953 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #1,480 in Cell Phone Replacement Batteries #10,561 in Smartwatch Bands | | Brand | MAXSHARKS | | Compatible Phone Models | Samsung Galaxy Watch Active 2 40mm | | Customer Reviews | 3.6 3.6 out of 5 stars (17) | | Item Dimensions | 0.78 x 0.78 x 0.39 inches | | Item Weight | 0.35 Ounces | | Manufacturer | MAXSHARKS | | Model Name | EB BR830ABY | | Model Number | EB BR830ABY | | Number of Batteries | 1 Lithium Ion batteries required. (included) | | Reusability | Rechargeable | | Unit Count | 1.0 Count | | Voltage | 3.85 Volts | ## Product Details - **Battery Capacity:** 3 Volts - **Battery Cell Composition:** Lithium Polymer - **Brand:** MAXSHARKS - **Number of Batteries:** 1 Lithium Ion batteries required. (included) - **Recommended Uses For Product:** Watch ## Images ![Replacement Battery for Galaxy Watch Active 2 (40mm), EB-BR830ABY Battery Compatible with Samsung Galaxy Watch Active 2 40mm SM-R830 SM-R835, with Repair Tools & Instruction - Image 1](https://m.media-amazon.com/images/I/81sfg5KaSZL.jpg) ![Replacement Battery for Galaxy Watch Active 2 (40mm), EB-BR830ABY Battery Compatible with Samsung Galaxy Watch Active 2 40mm SM-R830 SM-R835, with Repair Tools & Instruction - Image 2](https://m.media-amazon.com/images/I/71NRFNzCAjL.jpg) ![Replacement Battery for Galaxy Watch Active 2 (40mm), EB-BR830ABY Battery Compatible with Samsung Galaxy Watch Active 2 40mm SM-R830 SM-R835, with Repair Tools & Instruction - Image 3](https://m.media-amazon.com/images/I/71WzzS17nWL.jpg) ## Customer Reviews ### ⭐ zero stars *by N***S on February 20, 2026* battery sucks and you will need to charge your watch once a day maybe more ### ⭐⭐ Wrong tool sent *by R***R on November 26, 2024* To do this battery replacement you need a y00 3 blade screwdriver they sent a .06 which is too big I had to order a Y00 screwdriver to remove and reinstall the screws. The instructions were good except for either the second page was missing or they were incomplete. The watch did work when done I would advise a magnifying device and a bright work area. ### ⭐ Worthless *by J***. on May 14, 2025* The tri-point screwdriver would not remove the screws on the back of the watch. ## Frequently Bought Together - MAXSHARKS Replacement Battery for Galaxy Watch Active 2 (40mm), EB-BR830ABY Battery Compatible with Samsung Galaxy Watch Active 2 40mm SM-R830 SM-R835, with Repair Tools & Instruction - Supershieldz (3 Pack) Designed for Samsung Galaxy Watch 7, 6, 5, 4 (40mm) / Watch FE (40mm) Tempered Glass Screen Protector, Anti Scratch, Bubble Free --- ## 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.ph/products/517070807-replacement-battery-for-galaxy-watch-active-2-40mm-eb-br830aby](https://www.desertcart.ph/products/517070807-replacement-battery-for-galaxy-watch-active-2-40mm-eb-br830aby) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-04-22*