---
product_id: 78326985
title: "Shentec 3000mAh 12V Lithium-Ion Replacement Battery Compatible with Dremel B812-03 B812-02 8200 8220 8300 B812-01 Cordless Tools"
brand: "shentec"
price: "29947CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Shentec"
url: https://www.desertcart.sn/products/78326985-shentec-3000mah-12v-lithium-ion-replacement-battery-compatible-with-dremel
store_origin: SN
region: Senegal
---

# 12V max power output 100% Dremel compatibility 3000mAh high capacity Shentec 3000mAh 12V Lithium-Ion Replacement Battery Compatible with Dremel B812-03 B812-02 8200 8220 8300 B812-01 Cordless Tools

**Brand:** shentec
**Price:** 29947CFA
**Availability:** ✅ In Stock

## Summary

> 🔧 Power your precision with Shentec — the battery that keeps you ahead of the pack!

## Quick Answers

- **What is this?** Shentec 3000mAh 12V Lithium-Ion Replacement Battery Compatible with Dremel B812-03 B812-02 8200 8220 8300 B812-01 Cordless Tools by shentec
- **How much does it cost?** 29947CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/78326985-shentec-3000mah-12v-lithium-ion-replacement-battery-compatible-with-dremel)

## 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

- • **Certified Reliability:** CE, FCC, and RoHS certifications guarantee safety and performance that meets professional standards.
- • **Lightweight & Portable:** At just 180 grams, this battery keeps your tool agile and your workflow uninterrupted.
- • **Power Through Projects:** 3000mAh capacity delivers extended runtime, so you never miss a beat on your DIY or professional tasks.
- • **Seamless Compatibility:** Perfectly engineered for Dremel 8200, 8220, 8300 & B812 series—plug and play without compromise.
- • **Zero Downtime, Maximum Efficiency:** No memory effect and low self-discharge keep your battery ready when you are, reducing frustrating delays.

## Overview

The Shentec 3000mAh 12V Lithium-Ion Replacement Battery is a high-capacity, lightweight power source designed specifically for Dremel cordless tools including models 8200, 8220, and 8300. Certified for safety and engineered for zero memory effect and low self-discharge, it ensures longer runtime and reliable performance, making it an essential upgrade for professionals and DIY enthusiasts seeking uninterrupted productivity.

## Description

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

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.
Review: Good value - Needed spare for my Dremel rather than waiting for recharge. works same as orignal, hoping for long life.

## 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 Amps |
| Antenna Location | Power Tool |
| Battery Capacity | 3000 Milliampere Hour (mAh) |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 180 Grams |
| Best Sellers Rank | #111,286 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,304 in Cordless Tool Battery Packs |
| Brand | Shentec |
| Customer Reviews | 4.4 4.4 out of 5 stars (352) |
| Item Weight | 0.15 Pounds |
| Manufacturer | Shentec |
| Model Name | B812-02 |
| Model Number | Dremel B812-02 |
| Number of Batteries | 1 Lithium Ion batteries required. (included) |
| 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

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

## Available Options

This product comes in different **Style** options.

## 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

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Good value
*by J***E on December 27, 2025*

Needed spare for my Dremel rather than waiting for recharge. works same as orignal, hoping for long life.

### ⭐⭐⭐⭐⭐ 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.

## Frequently Bought Together

- Shentec 3000mAh 12V Lithium-Ion Replacement Battery Compatible with Dremel B812-03 B812-02 8200 8220 8300 B812-01 Cordless Tools
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**Shop now:** [https://www.desertcart.sn/products/78326985-shentec-3000mah-12v-lithium-ion-replacement-battery-compatible-with-dremel](https://www.desertcart.sn/products/78326985-shentec-3000mah-12v-lithium-ion-replacement-battery-compatible-with-dremel)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-06-02*