--- product_id: 634881897 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: "125.56 DT" currency: TND in_stock: true category: "Hxjnldc" url: https://www.desertcart.tn/products/634881897-dc-3-7v-800mah-603040-rechargeable-lithium-ion-battery-marshall store_origin: TN region: Tunisia --- # 3.7V nominal voltage with 4.2V full charge 800mAh high-capacity power Built-in 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:** 125.56 DT **Availability:** ✅ In Stock ## Summary > 🔋 Power up your vibe with the ultimate Marshall battery upgrade! ## 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?** 125.56 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/634881897-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 - • **Lightweight & Compact:** At just 13.7g, it keeps your headphones sleek without adding bulk. - • **Safe & Smart Charging:** Integrated Japanese Seiko IC protects against overcharge, overcurrent, and short circuits. - • **Power Your Sound All Day:** 800mAh capacity ensures extended playback for your Marshall headphones. - • **Precision Fit for Marshall Majors:** Custom-sized 41×30×6mm battery designed specifically for Major II, III, and IV models. - • **DIY Friendly with 3-Wire Connector:** Easy soldering and heat-shrink sleeve included for seamless replacement or custom projects. ## Overview This HXJNLDC 3.7V 800mAh rechargeable lithium-ion polymer battery is engineered for Marshall MID Major II, III, and IV Bluetooth headphones, delivering reliable, long-lasting power in a compact 41×30×6mm form factor. Featuring advanced Japanese Seiko IC protection against overcharge, overcurrent, and short circuits, it ensures safe and efficient performance. Lightweight at 13.7g and equipped with a 3-wire connector, it’s perfect for direct replacement or DIY electronic projects requiring 3.7-5V power under 2.96Wh. ## Description Buy HXJNLDC DC 3.7V 800mAh 603040 Rechargeable Lithium-ion Battery for Marshall MID Major II Major III Major IV Bluetooth Headphones VDL603040 SR603040 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. ## Features - Compatible with Marshall MID Major II Major III Major IV Bluetooth Headphones Battery Replacement VDL603040 SR603040。Also suitable for DIY electronic products with 3.7-5V and less than 2.96Wh 800mAh built-in 3-wire battery replacement.（★ Not applicable to high-power electric tools and model aircraft） - 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 "-"，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 | Protection | | Battery Capacity | 800 Milliamp Hours | | Battery Cell Type | Polymer | | Best Sellers Rank | #70,126 in Electronics ( See Top 100 in Electronics ) #522 in Rechargeable Household Batteries | | Brand | HXJNLDC | | Compatible Phone Models | Headphones | | Country of Origin | China | | Customer Reviews | 4.1 4.1 out of 5 stars (85) | | Item Dimensions | 41 x 30 x 6 millimeters | | Item Weight | 13 Grams | | Manufacturer | HXJN | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Reusability | Rechargeable | | UPC | 754525114697 | | Voltage | 3.7 Volts (DC) | ## Product Details - **Battery capacity:** 800 Milliamp Hours - **Battery cell composition:** Polymer - **Brand:** HXJNLDC - **Number of batteries:** 1 Lithium Polymer batteries required. (included) - **Recommended uses for product:** Protection ## 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/61lC1T1tTgL.jpg) ## 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.tn/products/634881897-dc-3-7v-800mah-603040-rechargeable-lithium-ion-battery-marshall](https://www.desertcart.tn/products/634881897-dc-3-7v-800mah-603040-rechargeable-lithium-ion-battery-marshall) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-04*