--- product_id: 531462145 title: "DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040" brand: "hxjnldc" price: "KD 8.62" currency: KWD in_stock: true reviews_count: 12 category: "Hxjnldc" url: https://www.desertcart.com.kw/products/531462145-dc-3-7v-800mah-603040-rechargeable-lithium-ion-battery-marshall store_origin: KW region: Kuwait --- # 3.7V nominal voltage with 4.2V full charge 800mAh high-capacity power Advanced overcharge & short circuit protection DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 **Brand:** hxjnldc **Price:** KD 8.62 **Availability:** ✅ In Stock ## Summary > 🔋 Recharge your vibe — power up your Marshall, power up your day! ## Quick Answers - **What is this?** DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 by hxjnldc - **How much does it cost?** KD 8.62 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/531462145-dc-3-7v-800mah-603040-rechargeable-lithium-ion-battery-marshall) ## 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 - • **Precision Fit:** Compact 41×30×6mm size and lightweight 13.7g design fit perfectly without adding bulk or weight. - • **Safe & Reliable:** Equipped with Japanese Seiko IC protection against overcharge, overdischarge, overcurrent, and short circuits for worry-free use. - • **Power Your Sound:** Specifically engineered for Marshall MID Major II-IV headphones, ensuring seamless compatibility and peak performance. - • **Easy Installation:** Includes high-temp resistant silicone cables and clear wiring guide for hassle-free replacement and soldering. - • **Long-Lasting Energy:** Robust 800mAh capacity delivers extended playback time, keeping your music alive longer than ever. ## Overview This HXJNLDC 3.7V 800mAh rechargeable lithium-ion battery is tailor-made for Marshall MID Major II, III, and IV Bluetooth headphones, delivering reliable, long-lasting power in a compact form. Featuring advanced Japanese Seiko IC protection, it safeguards your device from overcharge, overdischarge, and short circuits. Lightweight and easy to install with high-temp silicone cables, it revives your audio gear with professional-grade performance and safety. ## Description Product description DC 3.7V Model Table of Square Rechargeable Polymer Lithium Battery (applicable to 3.7V-5V electronic products) Please note that connector specifications and polarity are based on the product display image., the red wire is the positive "+" and the black wire is the negative "-"The yellow ( white) lead is a 'thermistor'，Do not reverse-charge or reverse-connectreverse. 3 -wi r e batteries retain red and black wires, which can replace 2 -wi r e batteries. Some products' original batteries may lack plugs, have incompatible plugs, or exhibit mismatched polarity. No worries—you can simply cut the wires and use the included heat-shrink tubing to connect the wires of the same color from the old plug. Review: Funciono bien - la instale y ha trabajado bien Review: Works great - Restored my sad old worn out battery to better than new. Long leads made the soldering easy. ## Features - Compatible with Marshall MID Major II Major III Major IV Bluetooth Headphones Battery Replacement VDL603040 SR603040。It can also be used in other 3.7-5V electronic products with power less than 2.96Wh (800mAh).（★ 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. - 603040 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 800mAh, power 2.96Wh, ★size 41×30×6mm(1.594×1.181×0.236inch）(L*W*T), Weight:13.7g(0.487oz)，Maximum current:0.8A。 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, ★3 wire 3302-26 high temperature resistant silicone cable 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 | B0C3HHVQ9R | | Amperage | 1 Amps | | Antenna Location | Radio | | Battery Capacity | 800 Milliamp Hours | | Battery Cell Composition | Lithium Polymer | | Battery Cell Type | Lithium Polymer | | Battery Weight | 13 Grams | | Best Sellers Rank | #429,714 in Health & Household ( See Top 100 in Health & Household ) #1,180 in 3.7V Batteries | | Brand | HXJNLDC | | Customer Reviews | 4.1 out of 5 stars 85 Reviews | | Item Dimensions | 1.61 x 1.18 x 0.24 inches | | Item Weight | 13 Grams | | Manufacturer | HXJN | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Recommended Uses For Product | Radio | | Reusability | Rechargeable | | UPC | 754525114697 | | Unit Count | 1 Count | | Voltage | 3.7 Volts (DC) | | Warranty Description | 1 | ## Product Details - **Battery Capacity:** 800 Milliamp Hours - **Battery Cell Composition:** Lithium Polymer - **Brand:** HXJNLDC - **Number of Batteries:** 1 Lithium Polymer batteries required. (included) - **Recommended Uses For Product:** Radio ## Images ![DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 - Image 1](https://m.media-amazon.com/images/I/611umL7ct+L.jpg) ![DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 - Image 2](https://m.media-amazon.com/images/I/61ZfRNKRNuL.jpg) ![DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 - Image 3](https://m.media-amazon.com/images/I/81jSmvePDIL.jpg) ![DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 - Image 4](https://m.media-amazon.com/images/I/81gkArxdQYL.jpg) ![DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 - Image 5](https://m.media-amazon.com/images/I/61ZYdXSCF5L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Funciono bien *by D***A on January 15, 2026* la instale y ha trabajado bien ### ⭐⭐⭐⭐⭐ Works great *by R***N on September 15, 2025* Restored my sad old worn out battery to better than new. Long leads made the soldering easy. ### ⭐⭐⭐⭐⭐ I am lithium battery works just fine. *by R***S on August 9, 2024* I was able to replace the battery with very little effort. It saved me from replacing another Bluetooth headset. ## Frequently Bought Together - HXJNLDC DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 - Marshall Major V On-Ear Bluetooth Headphone, Black - Major IV Ear Pads Cushions Replacement Compatible with Marshall Major 4 Major IV Headphones Ear Cushions£¬Ear Muffs Memory Foam Earpads --- ## 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.kw/products/531462145-dc-3-7v-800mah-603040-rechargeable-lithium-ion-battery-marshall](https://www.desertcart.com.kw/products/531462145-dc-3-7v-800mah-603040-rechargeable-lithium-ion-battery-marshall) --- *Product available on Desertcart Kuwait* *Store origin: KW* *Last updated: 2026-05-16*