---
product_id: 214428099
title: "Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342"
brand: "kastar"
price: "€ 17.34"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/214428099-kastar3-pack-bt184342-bt284342-battery-replacement-for-s803-s804-t31
store_origin: FI
region: Finland
---

# 2.4V voltage 1000mAh capacity Eco-friendly Ni-MH Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342

**Brand:** kastar
**Price:** € 17.34
**Availability:** ✅ In Stock

## Summary

> 🔋 Power that Lasts, Performance that Excels!

## Quick Answers

- **What is this?** Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342 by kastar
- **How much does it cost?** € 17.34 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/214428099-kastar3-pack-bt184342-bt284342-battery-replacement-for-s803-s804-t31)

## Best For

- kastar enthusiasts

## Why This Product

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

## Key Features

- • **Safety First:** Enjoy peace of mind with advanced mix-protection additives for extended lifespan.
- • **Triple the Value:** Get three powerful batteries in one pack for unbeatable convenience.
- • **Long-Lasting Energy:** Low self-discharge technology keeps your batteries charged longer.
- • **Eco-Conscious Choice:** Choose a greener option with our environmentally friendly materials.
- • **Power Up Your Devices:** Experience ultra-strong performance with Kastar's high-capacity batteries.

## Overview

The Kastar 3-Pack BT184342 / BT284342 Battery Replacement offers high-capacity, eco-friendly Ni-MH batteries with a voltage of 2.4V and a capacity of 1000mAh. Designed for longevity, these batteries feature advanced safety measures and low self-discharge technology, ensuring they perform reliably for up to 1200 cycles. Perfect for a range of devices, this pack provides a sustainable and powerful energy solution.

## Description

Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342

## Features

- High Capacity: No longer to worry about the endurance of the batteries, Kastar high capacity battery will provide ultra strong power for your devices to performance well and operate longer.
- Battery Specification: Battery Type: Ni-MH; Battery Voltage: 2.4V; Battery Capacity:1000mAh; Battery Dimensions: 44 x 20 x 10mm (1.75" x 0.8" x 0.4"); Package Includes: 3-Pack Battery.
- Safety Assurance: Kastar add mix-protection additive to the cathode of batteries, protect the material from degradation in the progress of charge and discharge, extend lifespan up to 1200 cycles.
- Low self-discharge: Embedded seal structure expand the space of crystal lattice, make more room for hydrogen, so Kastar batteries will holds power longer than others.
- Environmental Protection: Ni-MH eco-friendly cell, doesn't contain Hg/Cd/Pb, makes no pollution to the environment, and using DBCK steel shell which can protect the battery against explosion due to overpressure.

## Images

![Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342 - Image 1](https://m.media-amazon.com/images/I/71s5ufuBvFL.jpg)
![Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342 - Image 2](https://m.media-amazon.com/images/I/71evpFiIj7L.jpg)
![Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342 - Image 3](https://m.media-amazon.com/images/I/61eyy11IArL.jpg)
![Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342 - Image 4](https://m.media-amazon.com/images/I/71MVHOMcMFL.jpg)
![Kastar3-Pack BT184342 / BT284342 Battery Replacement for S803 S804 T31 T3101 T3151, SJB2121 SJB-2121 SJB2121/17 SJB-2121/17 SJB2121/37 SJB-2121/37, BT-184342 BT-28433 BT-284342 - Image 5](https://m.media-amazon.com/images/I/51Fpy-pDEOL.jpg)

## Available Options

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

---

## 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.fi/products/214428099-kastar3-pack-bt184342-bt284342-battery-replacement-for-s803-s804-t31](https://www.desertcart.fi/products/214428099-kastar3-pack-bt184342-bt284342-battery-replacement-for-s803-s804-t31)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-23*