--- product_id: 531074934 title: "DC 3.7V 650mAh 602540 Rechargeable Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 Mouse" brand: "hxjnldc" price: "€ 35.97" currency: EUR in_stock: true category: "Hxjnldc" url: https://www.desertcart.gr/products/531074934-dc-3-7v-650mah-602540-rechargeable-lithium-battery-for-sennheiser store_origin: GR region: Greece --- # 3.7V nominal voltage 650mAh high-capacity Overcharge & short circuit protection DC 3.7V 650mAh 602540 Rechargeable Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 Mouse **Brand:** hxjnldc **Price:** € 35.97 **Availability:** ✅ In Stock ## Summary > 🔋 Power your premium tech with confidence and never miss a beat! ## Quick Answers - **What is this?** DC 3.7V 650mAh 602540 Rechargeable Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 Mouse by hxjnldc - **How much does it cost?** € 35.97 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/531074934-dc-3-7v-650mah-602540-rechargeable-lithium-battery-for-sennheiser) ## 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 - • **Revive & Upgrade:** Breathe new life into your 10+ year-old devices with a battery that outperforms original specs by 30% capacity. - • **Power Up Your Gear:** 650mAh capacity delivers extended playtime for your Sennheiser Momentum & Aerox devices. - • **Safe & Smart Charging:** Built-in Japanese Seiko IC safeguards against overcharge, overcurrent, and short circuits for worry-free use. - • **Plug & Play with Confidence:** Genuine JST 3-wire connector with clear polarity coding ensures hassle-free installation and reliable connection. - • **Precision Fit & Compatibility:** Custom-sized 602540 battery fits perfectly with multiple premium headphones and mice models. ## Overview The HXJNLDC 602540 rechargeable lithium polymer battery offers a robust 650mAh capacity at 3.7V, designed specifically for Sennheiser Momentum 2.0, HD 4.40/4.50, 450BT, Urbanite XL headphones, and Aerox 9/5 mice. Featuring advanced Japanese Seiko IC protection against overcharge, overcurrent, and short circuits, this compact 41×25×6mm battery ensures safe, reliable, and extended device performance. Its genuine JST connector and clear polarity coding simplify installation, making it the perfect upgrade to revive and enhance your premium audio and gaming gear. ## Description Buy HXJNLDC DC 3.7V 650mAh 602540 Rechargeable Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 Mouse: 3.7V - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Compatible with Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 mouse Battery Replacement。It can also be used in other 3.7-5V electronic products with power less than 2.405Wh (650mAh).（★ Not applicable to high-power electric tools and model aircraft） - Please compare the connector specifications and polarity according to the display diagram before purchasing,★the red wire is the positive "+" and the black wire is the negative "-"White wire is thermistor "NTC"，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. - 602540 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 650mAh, power 2.405Wh, ★size 41×25×6mm(1.614×0.984×0.236inch）(L*W*T), Weight:12g(0.423oz)，Maximum current:0.65A。 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, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch 1.25mm ★3 wire connector module. - If there are any quality issues within a year, ★please feel free to contact us via email for replacement. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BR3ZQZ6Q | | Amperage | 0.65 A | | Antenna Location | electric tools | | Battery Capacity | 650 milliamp_hours | | Battery Cell Type | Lithium Polymer | | Battery Weight | 12 g | | Best Sellers Rank | #196,293 in Health & Household ( See Top 100 in Health & Household ) #164 in 3.7V Batteries | | Brand | HXJNLDC | | Customer Reviews | 4.3 4.3 out of 5 stars (96) | | Item Dimensions | 1.61 x 0.98 x 0.24 inches | | Manufacturer | HXJN | | Model Name | 602540 | | Model Number | 602540 | | Number of Batteries | 1 C batteries required. (included) | | Reusability | Rechargeable | | UPC | 754525114642 | | Unit Count | 1 Count | | Voltage | 3.7 volts_of_direct_current | | Warranty Description | 1 | ## Product Details - **Battery Capacity:** 650 milliamp_hours - **Battery Cell Composition:** Lithium Polymer - **Brand:** HXJNLDC - **Number of Batteries:** 1 C batteries required. (included) - **Recommended Uses For Product:** electric tools ## Images ![DC 3.7V 650mAh 602540 Rechargeable Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 Mouse - Image 1](https://m.media-amazon.com/images/I/61wU2iVP-RL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - HXJNLDC DC 3.7V 650mAh AHB622540N01 Rechargeable Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 450BT Urbanite XL Wireless Bluetooth Headphones Aerox 9 Aerox 5 Mouse - Replacement Ear Pads for Sennheiser Momentum 2.0 (Momentum 2, M2), HD1 Around-Ear Headphones, Ear Pads Cushions with High-Density Noise Isolation Foam, Made Leather - Black --- ## 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.gr/products/531074934-dc-3-7v-650mah-602540-rechargeable-lithium-battery-for-sennheiser](https://www.desertcart.gr/products/531074934-dc-3-7v-650mah-602540-rechargeable-lithium-battery-for-sennheiser) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-10-31*