--- product_id: 588679833 title: "DC 3.7V 4200mah 606090 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights" brand: "hxjnldc" price: "B/.125" currency: PAB in_stock: true category: "Hxjnldc" url: https://www.desertcart.com.pa/products/588679833-dc-3-7v-4200mah-606090-rechargeable-lithium-polymer-battery-suitable store_origin: PA region: Panama --- # 4A max current 4200mAh capacity Overcharge protection DC 3.7V 4200mah 606090 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights **Brand:** hxjnldc **Price:** B/.125 **Availability:** ✅ In Stock ## Summary > 🔋 Power Up Your Life with Confidence! ## Quick Answers - **What is this?** DC 3.7V 4200mah 606090 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights by hxjnldc - **How much does it cost?** B/.125 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/588679833-dc-3-7v-4200mah-606090-rechargeable-lithium-polymer-battery-suitable) ## Best For - hxjnldc enthusiasts ## Why This Product - Trusted hxjnldc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **⚡ Fast Charging:** Experience rapid energy replenishment with a full charge voltage of 4.2V. - • **🔋 Unleash Power:** With a robust 4200mAh capacity, this battery ensures your devices stay powered longer. - • **🛡️ Safety First:** Equipped with advanced protection against overcharge, overdischarge, and short circuits. - • **📦 Hassle-Free Replacement:** Enjoy peace of mind with a one-year quality guarantee and easy installation options. - • **🔌 Versatile Compatibility:** Perfectly compatible with a wide range of devices from gaming headsets to smart home systems. ## Overview The DC 3.7V 4200mAh 606090 rechargeable lithium polymer battery is a versatile power solution designed for a multitude of electronic devices. With a nominal voltage of 3.7V and a maximum current of 4A, it offers reliable performance and safety features, including overcharge and short circuit protection. Its compact size and lightweight design make it ideal for DIY projects and mobile energy storage needs. ## Description Free delivery and returns on eligible orders. Buy DC 3.7V 4200mah 606090 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights at desertcart UK. ## Features - This battery is suitable for DIY electronic products with 3.7-5V and less than 15.54Wh 4200mAh built-in 2-wire battery replacement.（★ Not applicable to high-power electric tools and model aircraft） - ★606090 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 4200mAh, power 15.54Wh, size 3.543 x 2.362 x 0.236inch(91×60×6mm) (L*W*T), Weight:2.963oz(84g)，Maximum current:4A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit. - ★It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-24 high temperature resistant silicone cable - Please note that the specifications and polarity of the connector are based on the product display image,★the red wire is the positive "+" and the black wire is the negative "-"，Do not reverse-charge or reverse-connectreverse. ★The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire. - If there are any quality issues within a year, ★please feel free to contact us via email for replacement. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B095BP7V1D | | Amperage | 4 Amps | | Antenna Location | Camera,Radio,Robot,Speaker,Speakers,Toys,Watch | | Battery Capacity | 4000 Milliamp Hours | | Battery Cell Type | Lithium Polymer | | Battery Weight | 75 Grams | | Best Sellers Rank | 78 in Mobile Phone Replacement Batteries | | Brand Name | HXJNLDC | | Compatible Phone Models | diy 3.7-5V | | Country of Origin | China | | Customer Reviews | 4.3 4.3 out of 5 stars (2,810) | | Item Dimensions | 9.1 x 6 x 0.6 centimetres | | Item Weight | 84 Grams | | Manufacturer | HXJN | | Model Name | 606090 | | Model Number | 606090 | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Product Warranty | 1 | | Reusability | Rechargeable | | UPC | 717664364262 | | Unit Count | 1.0 count | | Voltage | 3.7 Volts (DC) | ## Product Details - **Battery capacity:** 4000 Milliamp Hours - **Battery cell composition:** Lithium Polymer - **Brand:** HXJNLDC - **Number of batteries:** 1 Lithium Polymer batteries required. (included) - **Recommended uses for product:** Camera,Radio,Robot,Speaker,Speakers,Toys,Watch ## Images ![DC 3.7V 4200mah 606090 Rechargeable Lithium Polymer Battery, Suitable for DIY 3.7-5V Electronic Products with Built-in 2-Wire Battery Replacement and LED Lights - Image 1](https://m.media-amazon.com/images/I/61ZzZsP8YaL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - HXJNLDC DC 3.7V 4200mah 606090 Rechargeable Lithium Polymer Replacement Battery for DIY 3.7-5V Electronic Product, Mobile Energy Storage Power Supply. - elechawk 10pcs Upgraded Tiny Whoop JST-PH 2.0 Male and Female Connector Cable for Battery JJRC H36 H67 Blade Inductrix E010 E013 - HiLetgo 3pcs TP4056 Type-c USB 5V 1A 18650 Lithium Battery Charger Module Charging Board with Dual Protection Functions --- ## 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.com.pa/products/588679833-dc-3-7v-4200mah-606090-rechargeable-lithium-polymer-battery-suitable](https://www.desertcart.com.pa/products/588679833-dc-3-7v-4200mah-606090-rechargeable-lithium-polymer-battery-suitable) --- *Product available on Desertcart Panama* *Store origin: PA* *Last updated: 2026-10-04*