--- product_id: 660726615 title: "Replacement Battery BM3E BL-5J Compatible with No-ki-a N900 5230 Lumia 520 521 525 with Tools" brand: "swarking" price: "€ 23.58" currency: EUR in_stock: true category: "Swar King" url: https://www.desertcart.hr/products/660726615-replacement-battery-bm3e-bl-5j-compatible-with-no-ki-n900 store_origin: HR region: Croatia --- # Fast charging & 543+ cycles 1430mAh high-capacity power Multi-layer safety protection Replacement Battery BM3E BL-5J Compatible with No-ki-a N900 5230 Lumia 520 521 525 with Tools **Brand:** swarking **Price:** € 23.58 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your Lumia with confidence and style! ## Quick Answers - **What is this?** 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?** € 23.58 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/660726615-replacement-battery-bm3e-bl-5j-compatible-with-no-ki-n900) ## 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 - • **Safety First:** Built-in overcharge, overheat, and short circuit protections keep your device and you safe. - • **Power That Lasts:** Stay unplugged longer with 1430mAh A+ grade polymer cells designed for peak performance. - • **Plug & Play Ready:** Includes essential tools for a seamless DIY battery swap—join the savvy tech crowd upgrading smartly. - • **Risk-Free Upgrade:** Backed by a 6-month warranty and responsive support, ensuring your peace of mind with every charge. - • **Charge Confidently:** Experience rapid charging and over 543 recharge cycles—engineered for durability and efficiency. ## Overview This BM3E BL-5J replacement battery offers a robust 1430mAh capacity with premium A+ grade polymer cells, compatible with Nokia N900, 5230, Lumia 520/521/525 models. It supports fast charging and over 543 recharge cycles, featuring advanced multi-layer safety protections including overcharge and short circuit safeguards. The package includes installation tools for easy DIY replacement, backed by a 6-month warranty and dedicated customer support. ## Description Specification： Part number：BL-5J Capacity：1430mAh/5.3WH Type：Polymer Compatible models： No-ki-a N900 5230 Lumia 520 521 525 Battery Package includes： -1 x Grade A+ Battery+Tools Product Description： ✔1.We don’t provide an instruction manual. You can find instructional videos on YouTube. We always recommend a trained technician replace it. ✔2.To have the best use effect, please use up all the battery power until the phone automatically shuts down, and then fully charge it. Repeat this action 3-5 times to make the battery achieve its best use effect. ✔3. Do not use low quality third-party adapter charger to charge your device, that will shorten the battery's life. Note： 1. Please double check the model number of your device before purchasing to determine if this battery is compatible with your device. 2. Due to lighting and screen differences, product colours may vary slightly from the images. 7.Please do not hesitate to contact us if you have any questions or queries about the products you have received. ## 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DHZ8VJHL | | Antenna Location | Indoor/Outdoor | | Battery Cell Type | Polymer | | Battery Weight | 0.1 Grams | | Best Sellers Rank | #568,413 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #5,960 in Cell Phone Replacement Batteries | | Brand | SwarKing | | Manufacturer | shenzhen baoran keji youxiangongsi | | Model Name | BM3E | | Model Number | BM3E | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Reusability | Rechargeable | | Unit Count | 1.0 Count | | Voltage | 3.7 Volts (DC) | | Warranty Description | 6 Month Warranty Against Manufacturer Defects | ## Product Details - **Battery Cell Composition:** Polymer - **Brand:** SwarKing - **Number of Batteries:** 1 Lithium Polymer batteries required. (included) - **Recommended Uses For Product:** Indoor/Outdoor - **Unit Count:** 1.0 Count ## Images ![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) --- ## 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/660726615-replacement-battery-bm3e-bl-5j-compatible-with-no-ki-n900](https://www.desertcart.hr/products/660726615-replacement-battery-bm3e-bl-5j-compatible-with-no-ki-n900) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-04*