--- product_id: 92118675 title: "TURPOW 2 Packs 3.5Ah 12V Replacement Battery Compatible with Dremel B812-03, B812-02, B812-01 Battery High-Density 8200 8220 8300 Cordless Tools Lithium-ion Power Tool Battery Pack" brand: "turpow" price: "€ 2.94" currency: EUR in_stock: false reviews_count: 8 url: https://www.desertcart.sk/products/92118675-turpow-2-packs-3-5ah-12v-replacement-battery-compatible-dremel store_origin: SK region: Slovakia --- # 12V power 3500mAh capacity Compatible with Dremel tools TURPOW 2 Packs 3.5Ah 12V Replacement Battery Compatible with Dremel B812-03, B812-02, B812-01 Battery High-Density 8200 8220 8300 Cordless Tools Lithium-ion Power Tool Battery Pack **Brand:** turpow **Price:** € 2.94 **Availability:** ❌ Out of Stock ## Summary > πŸ”§ Power Up Your Projects with Confidence! ## Quick Answers - **What is this?** TURPOW 2 Packs 3.5Ah 12V Replacement Battery Compatible with Dremel B812-03, B812-02, B812-01 Battery High-Density 8200 8220 8300 Cordless Tools Lithium-ion Power Tool Battery Pack by turpow - **How much does it cost?** € 2.94 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/92118675-turpow-2-packs-3-5ah-12v-replacement-battery-compatible-dremel) ## Best For - turpow enthusiasts ## Why This Product - Trusted turpow brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Always Ready:** With two batteries in one pack, you’ll always have a backup ready to power your projects. - β€’ **Safety First:** Equipped with advanced protection features to prevent overcharging and short circuits, keeping your tools and workspace safe. - β€’ **Power That Lasts:** Experience the freedom of longer usage with a robust 3500mAh capacity, ensuring you never miss a beat. - β€’ **Easy Installation:** Designed for hassle-free installation and removal, so you can get back to work in no time. - β€’ **Unleash Your Tools' Potential:** Transform your older tools into high-performance machines with our 100% compatible replacement batteries. ## Overview The TURPOW 2 Packs 3.5Ah 12V Replacement Battery is a high-density lithium-ion battery designed for compatibility with Dremel B812 series tools. With a capacity of 3500mAh, these batteries ensure longer tool performance without memory effect. They feature multiple safety protections and are easy to install, making them an essential upgrade for any DIY enthusiast or professional. ## Description Specification: Battery Type: Lithium-Ion Battery Capacity: 3500mAh Battery Voltage: 12-Volt Battery Wattage: 42Wh Feature: 1.This replacement battery is designed for Dremel 8200 8220 8300 cordless tools. 2. It is a kind of Li-on rechargeable battery, and you can carry it anywhere anytime. 3. Without memory effect, this battery can be charged or discharged as needed without loss of capacity. 4. High-quality cells and overcharge protection. Replace the original B812-03, B812-02, B812-01 battery. Replacement Battery PN.: For Dremel B812-01 For Dremel B812-02 For Dremel B812-03 Compatible Tool Model: For Dremel 8200 and 8220 rotary tools. For Dremel 8300 oscillating tool. Battery Maintenance: 1. Always remove battery pack form your tool when you are assembling parts,making adjustments,cleaning, or when not being used for an extended time. 2. If you don't plan on using the Power Tool Battery for a month or more,store it in a clean,dry,cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use. 3. Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks. ## Features - [100% Compatible with Your Cordless Power Tools] These replacement batteries are very easy to install and remove. These 12V 3500mAh B812-03, B812-02, B812-01 replacement batteries are fully compatible with your 8200 and 8220 rotary tools, 8300 oscillating tools, Add these replacement batteries to make your older tools perform like new. - [Like the Twin Brother of thae Original Battery] These replacement batteries are made of high-quality Lithium-Ion battery cells. These replacement batteries for Dremel 12V B812-03, B812-02, B812-01 Li-ion battery and battery charger. NO MEMORY EFFECT. Can be charged or discharged as needed without loss of capacity. 3500mAh real capacity allows your tools longer than others. - [About the Replacement Battery Specifications] 2 Pack high capacity 3500mAh 12-Volt Lithium B812-03, B812-02, B812-01 replacement battery. Perfectly compatible with 8200 and 8220 rotary tools, 8300 oscillating tools. With the 2 pack backup batteries, you will never miss the next important moment. Always keep your tools charged up and ready to go. - [Multiple Protection & Safety Battery] Not the original battery, but a professional replacement battery. The battery is tested by the manufacture, you don’t need to worry about the battery will damage the machine. The battery has an integrated microchip to prevent overcharge, over-discharge, over-current, short circuits. Keep your tools safe. - [Battery Maintenance] If you don't plan on using the Power Tool Battery for a month or more, store it in a clean, dry, cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use. ## Images ![TURPOW 2 Packs 3.5Ah 12V Replacement Battery Compatible with Dremel B812-03, B812-02, B812-01 Battery High-Density 8200 8220 8300 Cordless Tools Lithium-ion Power Tool Battery Pack - Image 1](https://m.media-amazon.com/images/I/41cl6tKq-RL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars As good as original !! *by P***S on Reviewed in the United States on November 14, 2018* Charges quickly and holds a charge very well. Perfect fit for my Dremel and the charger. Plenty of power for all tasks. And all a great price ! Very satisfied with this purchase. ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars now i have to great batteries instead of one that didn't work very good from the beginning thank U *by J***N on Reviewed in the United States on August 22, 2021* Batteries work great. i use my Dremel all the time. works great i'm jazzed... ***** ### ⭐⭐⭐⭐ 4.0 out of 5 stars Powering Potential *by J***S on Reviewed in the United States on May 14, 2021* Purchasing these batteries finally allowed me to get the full potential out of my Dremel. Now I'm not limited and I am able to get more done every day. Great addition and upgrade --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sk/products/92118675-turpow-2-packs-3-5ah-12v-replacement-battery-compatible-dremel](https://www.desertcart.sk/products/92118675-turpow-2-packs-3-5ah-12v-replacement-battery-compatible-dremel) --- *Product available on Desertcart Slovakia* *Store origin: SK* *Last updated: 2026-05-23*