---
product_id: 354920314
title: "3.7V 800mAh Replacement Battery for Sennheiser HD 4.40, HD 4.50, Urbanite XL, Momentum 2.0 Wireless Bluetooth Headphones, AHB622540N01"
brand: "starnovo"
price: "€ 26.58"
currency: EUR
in_stock: true
reviews_count: 3
category: "Starnovo"
url: https://www.desertcart.hr/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40
store_origin: HR
region: Croatia
---

# 3.7V nominal voltage for optimal performance 300+ recharge cycles for long-lasting use 800mAh high-capacity power 3.7V 800mAh Replacement Battery for Sennheiser HD 4.40, HD 4.50, Urbanite XL, Momentum 2.0 Wireless Bluetooth Headphones, AHB622540N01

**Brand:** starnovo
**Price:** € 26.58
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your premium sound experience without missing a beat!

## Quick Answers

- **What is this?** 3.7V 800mAh Replacement Battery for Sennheiser HD 4.40, HD 4.50, Urbanite XL, Momentum 2.0 Wireless Bluetooth Headphones, AHB622540N01 by starnovo
- **How much does it cost?** € 26.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40)

## Best For

- starnovo enthusiasts

## Why This Product

- Trusted starnovo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Over 300 recharge cycles keep your headphones powered season after season
- • **Certified Safety:** UL, CE, UN38.3 & RoHS certified for peace of mind
- • **Power That Lasts:** 800mAh Li-ion Polymer battery delivers extended wireless freedom
- • **Effortless Replacement:** Lightweight 12g design with easy installation—get back to your beats fast
- • **Seamless Compatibility:** Perfectly engineered for Sennheiser HD 4.40, 4.50, Urbanite XL & Momentum 2.0

## Overview

This 3.7V 800mAh Li-ion Polymer replacement battery is designed specifically for Sennheiser HD 4.40, HD 4.50, Urbanite XL, and Momentum 2.0 wireless headphones. Certified for safety and reliability, it offers over 300 recharge cycles and a lightweight form factor, ensuring long-lasting, seamless performance to keep your audio experience uninterrupted.

## Description

Battery Type: Li-ion Polymer battery Capacity: 800mAh Nominal voltage: 3.7V Pack dimension: 8.0 x 25.5 x 41.0mm Weight: 12g Compatible Models: Sennheiser HD 4.40, HD 4.50, Urbanite XL, Momentum 2.0 Compatible Battery Part Number:AHB622540N01

Review: Works, but somewhat low quality - Battery works great for momentum HD2. Fairly easy to replace
Review: Perfect fit for Momentum 2.0 - This is a perfect fit. After a few years of use as a daily driver. My Momentum 2.0 battery gave out. You need a number 1 Phillips tip and a small plastic pry tool to remove the battery from the adhesive.

## Features

- Replacement Battery For: Sennheiser HD 4.40, HD 4.50, Urbanite XL, Momentum 2.0 Wireless Bluetooth Headphones, AHB622540N01
- 100% Compatible with original battery; 180 days warranty
- Capacity: 800mAh; Nominal Voltage: 3.7V
- Battery Type: Li-ion Polymer battery; Safe and reliable battery certified by UL, CE, UN38.3, RoHS
- Over 300 times cycle life; Long working time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08GC46VQP |
| Antenna Location | Headphone |
| Battery Capacity | 800 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 10 Grams |
| Best Sellers Rank | #303,298 in Health & Household ( See Top 100 in Health & Household ) #587 in 3.7V Batteries |
| Brand | Starnovo |
| Built-In Media | Battery |
| Compatible Phone Models | HD 4.40 |
| Customer Reviews | 3.8 3.8 out of 5 stars (9) |
| Item Dimensions | 2.76 x 1.77 x 0.55 inches |
| Item Weight | 12 Grams |
| Manufacturer | Starnovo |
| Model Name | Momentum 2 |
| Model Number | SNO-802540PCN |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts |

## Product Details

- **Battery Capacity:** 800 Milliamp Hours
- **Battery Cell Composition:** Lithium Polymer
- **Brand:** Starnovo
- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Recommended Uses For Product:** Headphone

## Images

![3.7V 800mAh Replacement Battery for Sennheiser HD 4.40, HD 4.50, Urbanite XL, Momentum 2.0 Wireless Bluetooth Headphones, AHB622540N01 - Image 1](https://m.media-amazon.com/images/I/514ghMGZvqL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works, but somewhat low quality
*by A***T on January 15, 2023*

Battery works great for momentum HD2. Fairly easy to replace

### ⭐⭐⭐⭐⭐ Perfect fit for Momentum 2.0
*by P***N on September 21, 2021*

This is a perfect fit. After a few years of use as a daily driver. My Momentum 2.0 battery gave out. You need a number 1 Phillips tip and a small plastic pry tool to remove the battery from the adhesive.

### ⭐⭐⭐⭐⭐ Replaced battery in Momentum M2
*by K***R on March 13, 2022*

It hasn't exploded so far, so it seems like a legit replacement.

## Frequently Bought Together

- STARNOVO 3.7V 800mAh Replacement Battery for Sennheiser HD 4.40, HD 4.50, Urbanite XL, Momentum 2.0 Wireless Bluetooth Headphones, AHB622540N01
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**Shop now:** [https://www.desertcart.hr/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40](https://www.desertcart.hr/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-14*