---
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: "$56.19"
currency: USD
in_stock: true
reviews_count: 6
category: "Hxjnldc"
url: https://www.desertcart.us/products/558902418-dc-3-7v-650mah-ahb622540n01-rechargeable-polymer-lithium-battery-sennheiser
store_origin: US
region: United States of America
---

# 3.7V nominal voltage, 4.2V max charge 650mAh high-capacity power Built-in 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:** $56.19
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your day, protect your play — 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?** $56.19 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/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 650mAh capacity without adding bulk—perfect for on-the-go professionals.
- • **Safety First, Always:** Equipped with Japanese Seiko IC protection against overcharge, overdischarge, and short circuits for worry-free use.
- • **Universal Flexibility:** Works with any 3.7-5V devices under 2.4Wh—ideal for tech-savvy users who demand versatility.
- • **Hassle-Free Replacement:** Includes heat shrinkable insulating sleeve and clear wiring guide for easy DIY installation and guaranteed 1-year support.
- • **Power Your Premium Audio:** Specifically engineered for Sennheiser Momentum & Urbanite wireless headphones, ensuring seamless compatibility and peak performance.

## Overview

The DC 3.7V 650mAh AHB622540N01 is a rechargeable lithium polymer battery tailored 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 3.7V nominal voltage and 650mAh capacity with built-in safeguards against overcharge, overdischarge, and short circuits. Compatible with other low-power 3.7-5V devices under 2.4Wh, it offers a versatile, safe, and easy-to-install power solution backed by a 1-year replacement guarantee.

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

## 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 | 12,770 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 315 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)

## 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 Y***U on 17 October 2025*

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

### ⭐⭐⭐⭐⭐ Review
*by G***Y on 10 September 2025*

Brought my Sennheiser MOMENTUM 2.0 AEBT back to life. Forever greatful.

## 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 United States of America*
*Store origin: US*
*Last updated: 2026-02-17*