---
product_id: 558902418
title: "DC 3.7V 650mAh AHB622540N01 Rechargeable Polymer Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 Aerox 9 Aerox 5 Urbanite XL Wireless Bluetooth Headphones"
brand: "hxjnldc"
price: "€ 52.68"
currency: EUR
in_stock: true
reviews_count: 6
category: "Hxjnldc"
url: https://www.desertcart.nl/products/558902418-dc-3-7v-650mah-ahb622540n01-rechargeable-polymer-lithium-battery-sennheiser
store_origin: NL
region: Netherlands
---

# 3.7V nominal voltage with 4.2V max charge 650mAh high-capacity power Advanced overcharge & short circuit protection DC 3.7V 650mAh AHB622540N01 Rechargeable Polymer Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 Aerox 9 Aerox 5 Urbanite XL Wireless Bluetooth Headphones

**Brand:** hxjnldc
**Price:** € 52.68
**Availability:** ✅ In Stock

## Summary

> 🔋 Recharge your rhythm, never miss a beat!

## Quick Answers

- **What is this?** DC 3.7V 650mAh AHB622540N01 Rechargeable Polymer Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 Aerox 9 Aerox 5 Urbanite XL Wireless Bluetooth Headphones by hxjnldc
- **How much does it cost?** € 52.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/558902418-dc-3-7v-650mah-ahb622540n01-rechargeable-polymer-lithium-battery-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

- • **Compact Yet Mighty:** Slim 40.5×25×6mm design packs 2.4Wh power without adding bulk—perfect for on-the-go professionals.
- • **Safety First, Always:** Built-in Japanese Seiko IC safeguards against overcharge, overdischarge, and short circuits for worry-free use.
- • **Effortless Installation:** Includes genuine JST 3-wire connector and heat-shrink sleeve for quick, secure battery swaps—no tech degree needed.
- • **Universal Compatibility:** Works seamlessly with any 3.7-5V devices under 2.4Wh—versatility that keeps your tech running.
- • **Power Your Premium Audio:** Specifically engineered for Sennheiser Momentum & Urbanite series headphones, restoring your sound’s stamina.

## Overview

This DC 3.7V 650mAh AHB622540N01 rechargeable lithium polymer battery is a precision replacement for Sennheiser Momentum 2.0, HD 4.40/4.50, Aerox 9/5, and Urbanite XL wireless headphones. Featuring a compact 40.5×25×6mm form factor and advanced Japanese Seiko IC protection, it delivers reliable 2.4Wh power with safeguards against overcharge, overdischarge, and short circuits. Designed for easy installation with a genuine JST 3-wire connector, it also supports other low-power 3.7-5V devices, making it a versatile, safe, and efficient power solution for your premium audio gear.

## Description

Shop DC 3.7V 650mAh AHB622540N01 Rechargeable Polymer Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 Aerox 9 Aerox 5 Urbanite XL Wireless Bluetooth Headphones. Free delivery and returns on eligible orders.

Review: If your desperate get it - I have given this 2 stars because it is a battery but unfortunately it’s no where near as good as the original Sony one that came in your controller
Review: Perfect fit in my Sennheiser HD1 headphones and battery life is back!

## Features

- Compatible with Sennheiser Momentum 2.0 HD 4.40 HD 4.50 Aerox 9 Aerox 5 Urbanite XL Wireless Bluetooth Headphones Battery Replacement。It can also be used in other 3.7-5V electronic products with power less than 2.4Wh (650mAh).（★ Not applicable to high-power electric tools and model aircraft）
- Please carefully compare the polarity of the connector before use,★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.
- AHB622540N01 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 650mAh, power 2.4Wh, ★size 40.5×25×6mm(1.594×0.984×0.236inch）(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 |
| Best Sellers Rank | 51,422 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 1,055 in Rechargeable Household Batteries |
| Guaranteed software updates until | unknown |
| Item model number | AHB622540N01 |
| Manufacturer | HXJN |
| Product Dimensions | 4.1 x 2.5 x 0.6 cm; 9 g |

## 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:** Camera, Watch

## Images

![DC 3.7V 650mAh AHB622540N01 Rechargeable Polymer Lithium Battery for Sennheiser Momentum 2.0 HD 4.40 HD 4.50 Aerox 9 Aerox 5 Urbanite XL Wireless Bluetooth Headphones - Image 1](https://m.media-amazon.com/images/I/611WefqP0WL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐ If your desperate get it
*by P***E on 2 November 2025*

I have given this 2 stars because it is a battery but unfortunately it’s no where near as good as the original Sony one that came in your controller

### ⭐⭐⭐⭐⭐ Review
*by S***Y on 21 February 2026*

Perfect fit in my Sennheiser HD1 headphones and battery life is back!

### ⭐⭐⭐⭐ Review
*by Y***U on 17 October 2025*

hace un año lo instalé en un aparato y todavía funciona perfecto

## 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

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-03-11*