---
product_id: 78326985
title: "3000mAh 12V Battery Compatible with Dremel 8200 8220 8300 | B812-03 B812-02 B812-01 Cordless Tools,Lithium-Ion"
brand: "shentec"
price: "149.35 DT"
currency: TND
in_stock: true
reviews_count: 11
category: "Shentec"
url: https://www.desertcart.tn/products/78326985-3000mah-12v-battery-compatible-with-dremel-8200-8220-8300-b812
store_origin: TN
region: Tunisia
---

# 12V max power output 3000mAh high capacity Li-ion no memory effect 3000mAh 12V Battery Compatible with Dremel 8200 8220 8300 | B812-03 B812-02 B812-01 Cordless Tools,Lithium-Ion

**Brand:** shentec
**Price:** 149.35 DT
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your precision with Shentec — never settle for less!

## Quick Answers

- **What is this?** 3000mAh 12V Battery Compatible with Dremel 8200 8220 8300 | B812-03 B812-02 B812-01 Cordless Tools,Lithium-Ion by shentec
- **How much does it cost?** 149.35 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/78326985-3000mah-12v-battery-compatible-with-dremel-8200-8220-8300-b812)

## Best For

- shentec enthusiasts

## Why This Product

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

## Key Features

- • **Zero Downtime Tech:** Advanced Li-ion chemistry with no memory effect and low self-discharge keeps you working longer.
- • **Certified Reliability:** CE, FCC, and RoHS certified for safety and guaranteed 100% OEM compatibility.
- • **Power Through Projects:** 3000mAh capacity delivers extended runtime for uninterrupted productivity.
- • **Seamless Compatibility:** Perfectly fits Dremel 8200, 8220 rotary and 8300 oscillating tools—no guesswork needed.
- • **Consistent Peak Performance:** 12V max voltage ensures your tools operate at full strength every time.

## Overview

The Shentec 3000mAh 12V Lithium-Ion Replacement Battery is engineered for Dremel cordless tools including models 8200, 8220, and 8300. Featuring high capacity and no memory effect, it ensures longer runtime and consistent power output. Certified for safety and fully compatible with original batteries, it’s the smart upgrade for professionals demanding reliability and peak performance.

## Description

Shentec 3000mAh 12V Battery Compatible with Dremel 8200 8220 8300 | B812-03 B812-02 B812-01 Cordless Tools,Lithium-Ion - desertcart.com

Review: Good Alternative to OEM - My OEM battery has gotten to where it won't hold a charge, so I needed something. I decided to take a chance on this alternative brand. Price was good and with desertcart's return policy I didn't have much to lose. Several months in now and it's holding up well. I think it has better capacity than the OEM.
Review: A Perfect Replacement Battery for Your Rechargeable Dremel Tool - Imagine my frustration when I retrieved my cordless Dremel tool from my toolbox only to find that I had put it away without its battery. Not surprisingly, its charger wasn't in in the Dremel bag left in my toolbox either. I looked everywhere for that battery and resigned myself to ordering a replacement battery AND charger from desertcart. It arrived via Prime on schedule and as expected, it was a perfect match. I'm thrilled with my purchase, it's price and its performance. You can't go wrong with this replacement unit for your Dremel.

## Features

- Voltage: 12V; Capacity: 3000mAh; Type: Li-ion.
- Compatible with Dremel 8200 8220 rotary tools and Dremel 8300 oscillating tool.
- 3000mAh 12V Max Lithium-Ion replacement battery compatible with Dremel B812-03.
- No memory effect and low self-discharge for maximum productivity and less downtime.
- CE, FCC and RoHS certified, 100% compatible with the originals.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07F9VRYR2 |
| Amperage | 3 A |
| Antenna Location | Power Tool |
| Battery Capacity | 3000 milliampere_hour |
| Battery Cell Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 180 g |
| Best Sellers Rank | #61,681 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #577 in Cordless Tool Battery Packs |
| Brand | Shentec |
| Customer Reviews | 4.4 out of 5 stars 360 Reviews |
| Item Weight | 2.4 ounces |
| Manufacturer | Shentec |
| Model Name | B812-02 |
| Model Number | Dremel B812-02 |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| Recommended Uses For Product | Power Tool |
| Reusability | Rechargeable |
| UPC | 732515129425 654070820473 |
| Unit Count | 1 Count |
| Voltage | 12 volts |

## Product Details

- **Battery Capacity:** 3000 Milliampere Hour (mAh)
- **Battery Cell Composition:** Lithium Ion
- **Brand:** Shentec
- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Recommended Uses For Product:** Power Tool

## Images

![3000mAh 12V Battery Compatible with Dremel 8200 8220 8300 | B812-03 B812-02 B812-01 Cordless Tools,Lithium-Ion - Image 1](https://m.media-amazon.com/images/I/51wU23G2UgL.jpg)

## Questions & Answers

**Q: Does this fit the new Dremel 8260?**
A: yes it will

**Q: will this work with my original dremel 8220 charger?**
A: Hi,
This work with your original dremel 8220 charger.
Please buy it with confidence.

**Q: Will it work with the 8100?**
A: Scented does not recommend using this battery with the 8100 model.

**Q: Can you leave the battery charging in the charger or will that ruin it?**
A: The battery will power off automatically. Please don't worry。

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Alternative to OEM
*by A***T on October 3, 2025*

My OEM battery has gotten to where it won't hold a charge, so I needed something. I decided to take a chance on this alternative brand. Price was good and with Amazon's return policy I didn't have much to lose. Several months in now and it's holding up well. I think it has better capacity than the OEM.

### ⭐⭐⭐⭐⭐ A Perfect Replacement Battery for Your Rechargeable Dremel Tool
*by S***S on February 23, 2025*

Imagine my frustration when I retrieved my cordless Dremel tool from my toolbox only to find that I had put it away without its battery. Not surprisingly, its charger wasn't in in the Dremel bag left in my toolbox either. I looked everywhere for that battery and resigned myself to ordering a replacement battery AND charger from Amazon. It arrived via Prime on schedule and as expected, it was a perfect match. I'm thrilled with my purchase, it's price and its performance. You can't go wrong with this replacement unit for your Dremel.

### ⭐⭐⭐⭐⭐ Perfect replacement. Twice the capacity of the OEM.
*by T***C on August 21, 2026*

I was nervous to use a third party battery. This battery flawlessly charged in the original OEM charger. It never got hot and performs perfectly in the tool. The fit is snug and just as good as the original. I was nervous for nothing! I may buy another as a spare.

## Frequently Bought Together

- Shentec 3000mAh 12V Lithium-Ion Replacement Battery Compatible with Dremel B812-03 B812-02 8200 8220 8300 B812-01 Cordless Tools
- Dremel 8240-5 12V Cordless Rotary Tool Kit with Variable Speed and Comfort Grip - Includes 2AH Battery Pack, Charger, 5 Accessories, Wrench, and Tool Fabric Carry Bag
- Dremel EZ406-02, EZ - Lock Starter Kit, 1 1/2-Inch (38.1 mm) Wheel Diameter, 5 Piece Fiberglass Reinforced Cut-Off Wheels and EZ402 Mandrel Included, Rotary Tool Cutting Disc Accessories

---

## 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.tn/products/78326985-3000mah-12v-battery-compatible-with-dremel-8200-8220-8300-b812](https://www.desertcart.tn/products/78326985-3000mah-12v-battery-compatible-with-dremel-8200-8220-8300-b812)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-09-08*