--- product_id: 241026855 title: "EEMB 3.7V 502030 Battery 250mAh Lipo Battery Rechargeable Lithium Polymer Battery with JST2.0 for Nextbase Dashcam Battery Replacement-Make Sure Device Polarity Matches with Battery Before Purchase!" brand: "eemb" price: "€ 16.90" currency: EUR in_stock: true reviews_count: 13 category: "Eemb" url: https://www.desertcart.pt/products/241026855-eemb-3-7v-502030-battery-250mah-lipo-battery-rechargeable-lithium store_origin: PT region: Portugal --- # 250mAh Capacity 3.7V Voltage Multi-layer PCM Protection EEMB 3.7V 502030 Battery 250mAh Lipo Battery Rechargeable Lithium Polymer Battery with JST2.0 for Nextbase Dashcam Battery Replacement-Make Sure Device Polarity Matches with Battery Before Purchase! **Brand:** eemb **Price:** € 16.90 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your essentials with precision and confidence! ## Quick Answers - **What is this?** EEMB 3.7V 502030 Battery 250mAh Lipo Battery Rechargeable Lithium Polymer Battery with JST2.0 for Nextbase Dashcam Battery Replacement-Make Sure Device Polarity Matches with Battery Before Purchase! by eemb - **How much does it cost?** € 16.90 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/241026855-eemb-3-7v-502030-battery-250mah-lipo-battery-rechargeable-lithium) ## Best For - eemb enthusiasts ## Why This Product - Trusted eemb brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Storage Tips:** Maintain 40%-60% charge and store cool for peak battery health and longevity. - • **Certified Reliability:** UL-certified excellence guarantees safety and long-lasting performance you can trust. - • **Compact & Lightweight:** At just 5g and 20x32x5mm, it’s the sleek power boost your portable tech craves. - • **Precision Power Match:** Ensure perfect polarity and connector fit to avoid device damage—no compromises. - • **Versatile Compatibility:** Ideal for dash cams, Bluetooth speakers, smart home devices, and more—power your lifestyle. ## Overview The EEMB LP502030 is a rechargeable 3.7V lithium polymer battery with a 250mAh capacity, designed for compact electronics like dash cams and smart devices. Featuring UL certification and advanced PCM protection, it ensures safe, reliable, and long-lasting power in a lightweight 5g form factor. Perfect for professionals who demand dependable energy on the go. ## Description Shop EEMB 3.7V 502030 Battery 250mAh Lipo Battery Rechargeable Lithium Polymer Battery with JST2.0 for Nextbase Dashcam Battery Replacement-Make Sure Device Polarity Matches with Battery Before Purchase!. Free delivery and returns on eligible orders. Review: This 3.7V can replace an identical 3.2V battery. - I got this 3.7V to replace an obsolete 3.2Vwhich otherwise is just the same (size and looks). I charge it with a simple USB cable that plugs into the battery and my computer. I use it to power a small electric plane (which took the 3.2V) and the plane works perfectly. Review: Perfect Battery for the job. - Did the job with no issues. ## Features - MUST CONFIRM BEFORE PURCHASE: 1.Battery Size; 2.Connector Model; 3.Connector Size; 4.Connector Polarity - THIS IS NOT UNIVERSAL!!! (It will cause a shortage if the polarity of the battery connector does not match your device.) - BASIC INFO—VOLTAGE— 3.7V; Typical capacity: 250mAh, Min capacity: 230mAh; Weight: approximate 5g; Size: 20.5 x 32 x 5.3mm (WxLxH) - CERTIFICATIONS—More than 400 EEMB batteries are UL certified. Search "MH20555" on UL for all EEMB UL certification information. MANUFACTURER DIRECT—Please contact us if you have any questions or concerns with the product via desertcart message. We will respond to you within 24 hours. - RELIABLE PERFORMANCE—No leaking, excellent cost performance and long cycle life. PCM protection function: over charge, over discharge, over current, short circuit protection, over temperature protection. STORAGE—Keep the cells in 40%-60% charged state during long period storage. We recommend to charge the battery every 3 months after receipt of the battery and maintain the voltage 3.7-4.0V. And store the battery in cool and dry place. - APPLICATION—Suitable for bluetooth speaker, dash cam, keyboard and mouse, Wi-Fi enabled smart home systems, PDA and digital cameras, GPS, monitoring units, notebook computers, e-books, telematics, tracking devices, sleep management equipment, blood oxygen tracking equipment, pulse monitors. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08FD3V6TF | | Amperage | 500 Milliamps | | Antenna Location | Camera | | Battery Capacity | 250 Milliampere Hour (mAh) | | Battery Cell Type | Lithium Polymer | | Battery Weight | 5 Grams | | Best Sellers Rank | 7 in Flash Battery Packs 329 in Rechargeable Household Batteries | | Brand Name | EEMB | | Country of Origin | China | | Customer Reviews | 4.5 4.5 out of 5 stars (1,701) | | Item Dimensions | 20 x 32 x 5 millimetres | | Item Weight | 5 Grams | | Manufacturer | EEMB | | Model Name | LP502030 | | Model Number | LP502030-PCM | | Number of Batteries | 1 Lithium Polymer batteries required. | | Product Warranty | 1 | | Reusability | Rechargeable | | Unit Count | 1.0 Count | | Voltage | 3.7 Volts | ## Product Details - **Battery capacity:** 250 Milliampere Hour (mAh) - **Battery cell composition:** Lithium Polymer - **Brand:** EEMB - **Number of batteries:** 1 Lithium Polymer batteries required. - **Recommended uses for product:** Camera ## Images ![EEMB 3.7V 502030 Battery 250mAh Lipo Battery Rechargeable Lithium Polymer Battery with JST2.0 for Nextbase Dashcam Battery Replacement-Make Sure Device Polarity Matches with Battery Before Purchase! - Image 1](https://m.media-amazon.com/images/I/61k3Fo6CGmL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: How do I recharge the battery?** A: Be VERY careful with this type of battery! If you do get it wrong you will have a chemical fire on your hands, that won't go out until the reaction has finished. Otherwise, the unit it is intended for will correctly charge it when fitted. **Q: will this battery fit a Nextbase 312G Dashcam.** A: Yes - it works on our dashcam. There is a Youtube video by someone who shows you how to do it. You will need a soldering iron and solder and some micro screwdrivers to do the work. **Q: Is this battery suited to a next base 522gw** A: Hi - not sure about it fitting a 522gw, fitted to mine which is a 512gw and works perfectly. **Q: I need a 7.4 v battery for my ebook and the exact replacement is not available in the uk. can i use 2 of these in series ? will it charge correctly ?** A: Hi, this is a li-ion battery I don't think it is suitable for charging in serial. ## Customer Reviews ### ⭐⭐⭐⭐⭐ This 3.7V can replace an identical 3.2V battery. *by M***Z on 14 October 2025* I got this 3.7V to replace an obsolete 3.2Vwhich otherwise is just the same (size and looks). I charge it with a simple USB cable that plugs into the battery and my computer. I use it to power a small electric plane (which took the 3.2V) and the plane works perfectly. ### ⭐⭐⭐⭐⭐ Perfect Battery for the job. *by B***D on 4 December 2025* Did the job with no issues. ### ⭐⭐⭐⭐ Only 1 battery but paid for 4 *by J***N on 27 January 2026* Only received one battery when I had ordered 4. I just noticed though that it's a higher mAh one which is better. So in a way this is better. I got back money for ones not delivered so all good in the end. ## Frequently Bought Together - EEMB Lithium Polymer Battery 3.7V 250mAh 502030 Lipo Rechargeable Battery Pack with Wire JST 2.0mm Connector for VXI Blue Parrott- Confirm Device & Connector Polarity Before Purchase - Tnuocke 100PCS 3mm High Knob Vertical Micro Mini Slide Switchs,3 Pin 2 Position 1P2T SPDT Toggle Switches Panel Mount DC 50V 0.5A - Seeed Studio XIAO nRF52840 Sense - Supports Arduino/CircuitPython - Bluetooth5.0 NFC with Onboard Antenna, MCU with 6-axis IMU Works with Amazon Sidewalk --- ## 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.pt/products/241026855-eemb-3-7v-502030-battery-250mah-lipo-battery-rechargeable-lithium](https://www.desertcart.pt/products/241026855-eemb-3-7v-502030-battery-250mah-lipo-battery-rechargeable-lithium) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-22*