---
product_id: 78326985
title: "Shentec 3000mAh 12V Battery Compatible with Dremel 8200 8220 8300 | B812-03 B812-02 B812-01 Cordless Tools,Lithium-Ion"
brand: "shentec"
price: "€ 57.41"
currency: EUR
in_stock: true
reviews_count: 9
category: "Shentec"
url: https://www.desertcart.hr/products/78326985-shentec-3000mah-12v-battery-compatible-with-dremel-8200-8220-8300
store_origin: HR
region: Croatia
---

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

**Brand:** shentec
**Price:** € 57.41
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Shentec 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?** € 57.41 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/78326985-shentec-3000mah-12v-battery-compatible-with-dremel-8200-8220-8300)

## 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

Product description Product Specifications Voltage: 12V Capacity: 3000mAh Battery Type: Li-ion Battery Works with:（NOT for 8240 8250 8260） 8200 8220 rotary tools. 8300 oscillating tool. Battery Compatible with Dremel B812-03, B812-01, B812-02 Note Only suitable for Li-ion battery. Indoor use only. Make sure the charger connectors are matching the battery before using. Anytime from the date of purchase, we will try our best to provide you the best service.

Review: Works well with Dremel saw! - Good battery. Reasonable service time.
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.

## 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 Composition | Lithium Ion |
| Battery Cell Type | Lithium Ion |
| Battery Weight | 180 Grams |
| Best Sellers Rank | #97,296 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,130 in Cordless Tool Battery Packs |
| Brand | Shentec |
| Customer Reviews | 4.5 out of 5 stars 362 Reviews |
| 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) |
| 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

![Shentec 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

### ⭐⭐⭐⭐⭐ Works well with Dremel saw!
*by N***K on May 8, 2026*

Good battery. Reasonable service time.

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ works perfectly
*by A***K on April 4, 2026*

this was a perfect replacement battery for my tool

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

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-30*