---
product_id: 660726615
title: "SwarKing Replacement Battery BM3E BL-5J Compatible with No-ki-a N900 5230 Lumia 520 521 525 with Tools"
brand: "swarking"
price: "S$20"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/660726615-swarking-replacement-battery-bm3e-bl-5j-compatible-with-no-ki
store_origin: SG
region: Singapore
---

# Fast charging tech 543+ charge cycles Multi-layer safety SwarKing Replacement Battery BM3E BL-5J Compatible with No-ki-a N900 5230 Lumia 520 521 525 with Tools

**Brand:** swarking
**Price:** S$20
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your day, worry-free!

## Quick Answers

- **What is this?** SwarKing Replacement Battery BM3E BL-5J Compatible with No-ki-a N900 5230 Lumia 520 521 525 with Tools by swarking
- **How much does it cost?** S$20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/660726615-swarking-replacement-battery-bm3e-bl-5j-compatible-with-no-ki)

## Best For

- swarking enthusiasts

## Why This Product

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

## Key Features

- • **Rapid Power Boost:** Advanced fast charging to keep you connected without delay
- • **Risk-Free Upgrade:** 31-hour responsive customer guarantee with replacement or refund
- • **Endurance that Lasts:** Up to 543+ full charge cycles for prolonged daily power
- • **Safety First, Always:** Built-in overcharge, overheat, and short circuit protection for peace of mind
- • **Seamless Compatibility:** Perfectly fits Nokia N900, 5230, Lumia 520/521/525 models

## Overview

This BM3E BL-5J replacement battery is a high-quality, UL-certified upgrade designed for Nokia N900, 5230, and Lumia 520/521/525 phones. Featuring A+ grade cells, it delivers over 543 charge cycles with fast charging capabilities and comprehensive safety protections including overcharge and short circuit safeguards. Backed by a responsive 31-hour customer guarantee, it ensures reliable performance and peace of mind.

## Description

Replacement Battery BM3E BL-5J Compatible with No-ki-a N900 5230 Lumia 520 521 525 with Tools

## Features

- 【Compatible Model】 Please Make sure your phone is suitable for this replacement battery before ordering. Battery Model: BL-5J Battery.
- 【Durable】100% brand new, high quality, upgraded batteries with A+ grade cells, UL certified. Each battery is tested under strict quality control standards before shipment, fast charging and high efficiency, can provide you with up to 543+ cycles of charging.
- 【Quality Assurance】All batteries have the highest level of safety protection. This includes overcharge protection, overheat protection, short circuit protection, efficient temperature control and more. Our dual IC design ensures that your battery will never fail under any circumstances.
- 【Easy To Install】Instruction/Manual NOT included, but there are many installation tutorials videos on YouTube to reference.
- 【Customer Guarantee】 We take care of all quality-related problems with a replacement or a complete refund. If you are not 100% satisfied with your battery change when using this battery during the period, we will reply to you within 31 hours.

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Brand:** SwarKing
- **Battery Cell Composition:** Polymer
- **Recommended Uses For Product:** Indoor/Outdoor
- **Unit Count:** 72.0 Count

## Images

![SwarKing Replacement Battery BM3E BL-5J Compatible with No-ki-a N900 5230 Lumia 520 521 525 with Tools - Image 1](https://m.media-amazon.com/images/I/61Q58LfSx-L.jpg)

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**Shop now:** [https://www.desertcart.sg/products/660726615-swarking-replacement-battery-bm3e-bl-5j-compatible-with-no-ki](https://www.desertcart.sg/products/660726615-swarking-replacement-battery-bm3e-bl-5j-compatible-with-no-ki)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-01-26*