--- product_id: 805834446 title: "Nzzz (2Pcs) 260mAh 3.7V 402030 Battery with 2 Wires JST PH1.25mm Connector 402030 Battery for Wireless Headset Watch and Wireless Device, Ni-MH" brand: "nzzz" price: "65.32 DT" currency: TND in_stock: true reviews_count: 1 category: "Nzzz" url: https://www.desertcart.tn/products/805834446-nzzz-2pcs-260mah-3-7v-402030-battery-with-2-wires store_origin: TN region: Tunisia --- # 3.7V nominal voltage for stable output 260mAh high-capacity power Seiko IC protection board for safety Nzzz (2Pcs) 260mAh 3.7V 402030 Battery with 2 Wires JST PH1.25mm Connector 402030 Battery for Wireless Headset Watch and Wireless Device, Ni-MH **Brand:** nzzz **Price:** 65.32 DT **Availability:** ✅ In Stock ## Summary > 🔋 Power up your wireless world with precision and protection! ## Quick Answers - **What is this?** Nzzz (2Pcs) 260mAh 3.7V 402030 Battery with 2 Wires JST PH1.25mm Connector 402030 Battery for Wireless Headset Watch and Wireless Device, Ni-MH by nzzz - **How much does it cost?** 65.32 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/805834446-nzzz-2pcs-260mah-3-7v-402030-battery-with-2-wires) ## Best For - nzzz enthusiasts ## Why This Product - Trusted nzzz brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Yet Mighty:** Slim 4×20×30.5mm design fits discreetly into your favorite portable electronics. - • **Charge Smart, Live Long:** Ships partially charged for safety—fully charge on arrival to maximize battery lifespan. - • **Plug & Play Versatility:** JST PH1.25mm connector with flexible wiring options for seamless DIY replacements. - • **Engineered for Safety & Longevity:** Built-in Japanese Seiko IC safeguards against overcharge, overcurrent, and short circuits. - • **Power Your Devices with Confidence:** Reliable 260mAh capacity fuels your wireless headsets, watches, and more without compromise. ## Overview The Nzzz 402030 rechargeable Ni-MH battery delivers a stable 3.7V output with 260mAh capacity, ideal for powering a wide range of 3.7-5V wireless devices like headsets, watches, and Bluetooth gadgets. Featuring premium A+ cells, a Japanese Seiko IC protection board, and high-temp silicone cables, it ensures safety and durability. Its compact form factor and JST PH1.25mm connector make it perfect for DIY replacements, while a recommended full charge on arrival guarantees optimal performance and longevity. ## Description (2Pcs) 260mAh 3.7V 402030 Battery with 2 Wires JST PH1.25mm Connector 402030 High Temperature Resistant Rechargeable Battery for Wireless Headset Watch Charging Case Point Reading Pen Fingerprint Lock3.7V 260mAh 402030 Battery Rechargeable Battery Pack for DIY 3.7-5V Electronic Product, Bluetooth Headset, Watch, and Wireless DeviceWe guarantee the battery is brand new and fresh from the factory. However, High-density batteries may be more prone to minor surface scratches—but don`t worry, it doesn`t affect performance at all!~Friendly Reminder：For shipping safety reasons, batteries are usually not fully charged when shipped. To ensure longer battery life, please charge the batteries fully after receiving them before use. Review: Batteries would not charge - 100% depleted on arrival would not hold a charge ## Features - Wide Compatibility: Perfect for battery replacement in DIY 3.7-5V electronics, including mobile energy storage devices, power supplies, LED lights, wireless Bluetooth gaming headsets, outdoor audio/video gear, electronic scales, GPS watches, recorders, e-readers, USB fan testers, dash cam controllers, and computer mice/keyboards. - Important Usage Tips: Before use, carefully check the connector polarity—red wire = positive "+", black wire = negative "-". Never reverse-charge or reverse-connect. If your original device’s battery has no plug, a mismatched plug, or wrong polarity: that’s okay! You can cut and solder the plug directly, or use our heat-shrink insulating sleeves to connect wires of the same color. - Battery Specifications: 402030 Rechargeable Battery. Nominal voltage: 3.7V; capacity: 260mAh; power: 0.92Wh; dimensions: 4×20×30.5mm (0.157×0.787×1.22 inches) (Thickness×Width×Length). - Premium Construction: Made with high-capacity A+ cells, a Japanese Seiko IC protection board (guards against overcharging, overcurrent, and short circuits), 3302-26 high-temperature-resistant silicone cables, and authentic JST 1.25mm pitch 2-pin connector modules. - Friendly Reminder：For shipping safety reasons, batteries are usually not fully charged when shipped. To ensure longer battery life, please charge the batteries fully after receiving them before use. - We guarantee the battery is brand new and fresh from the factory. However, High-density batteries may be more prone to minor surface scratches—but don`t worry, it doesn`t affect performance at all!~ ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0FVF99HSP | | Antenna Location | Indoor/Outdoor | | Battery Capacity | 260 milliamp_hours | | Battery Cell Composition | NiMH | | Battery Cell Type | NiMH | | Battery Weight | 25 g | | Best Sellers Rank | #350,072 in Health & Household ( See Top 100 in Health & Household ) #553 in 3.7V Batteries | | Brand | Nzzz | | Customer Reviews | 1.0 out of 5 stars 1 Review | | Manufacturer | Nzzz | | Number of Batteries | 1 Nonstandard Battery batteries required. (included) | | Recommended Uses For Product | Indoor/Outdoor | | Reusability | Rechargeable | | UPC | 769029415768 | | Unit Count | 1 Count | | Warranty Description | 10 Year Manufacturer | ## Images ![Nzzz (2Pcs) 260mAh 3.7V 402030 Battery with 2 Wires JST PH1.25mm Connector 402030 Battery for Wireless Headset Watch and Wireless Device, Ni-MH - Image 1](https://m.media-amazon.com/images/I/71itoQMzmqL.jpg) ![Nzzz (2Pcs) 260mAh 3.7V 402030 Battery with 2 Wires JST PH1.25mm Connector 402030 Battery for Wireless Headset Watch and Wireless Device, Ni-MH - Image 2](https://m.media-amazon.com/images/I/61YndlDK-9L.jpg) ![Nzzz (2Pcs) 260mAh 3.7V 402030 Battery with 2 Wires JST PH1.25mm Connector 402030 Battery for Wireless Headset Watch and Wireless Device, Ni-MH - Image 3](https://m.media-amazon.com/images/I/61dDp7w7bQL.jpg) ## Customer Reviews ### ⭐ Batteries would not charge *by M***W on June 10, 2026* 100% depleted on arrival would not hold a charge --- ## 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.tn/products/805834446-nzzz-2pcs-260mah-3-7v-402030-battery-with-2-wires](https://www.desertcart.tn/products/805834446-nzzz-2pcs-260mah-3-7v-402030-battery-with-2-wires) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-24*