---
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: "S$27"
currency: SGD
in_stock: true
reviews_count: 3
category: "Starnovo"
url: https://www.desertcart.sg/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40
store_origin: SG
region: Singapore
---

# 3.7V nominal voltage for stable 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:** S$27
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your passion, stay wireless longer.

## 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?** S$27 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/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 Last:** Over 300 recharge cycles mean your headphones stay powered through every workday and weekend escape.
- • **Certified Safety:** UL, CE, UN38.3, and RoHS certifications ensure a reliable and safe listening experience.
- • **Power Up Your Sound:** 800mAh Li-ion Polymer battery delivers extended playtime so your beats never quit.
- • **Seamless Compatibility:** Perfectly engineered for Sennheiser HD 4.40, 4.50, Urbanite XL, and Momentum 2.0 headphones—no guesswork needed.
- • **Easy Swap, Zero Downtime:** Lightweight 12g design and perfect fit make replacement hassle-free—get back to your groove fast.

## 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 perfect fit to keep your premium 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 Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 10 Grams |
| Best Sellers Rank | #607,019 in Health & Household ( See Top 100 in Health & Household ) #2,028 in 3.7V Batteries |
| Brand | Starnovo |
| Built-In Media | Battery |
| Compatible Phone Models | HD 4.40 |
| Customer Reviews | 3.8 out of 5 stars 9 Reviews |
| 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) |
| Recommended Uses For Product | Headphone |
| Reusability | Rechargeable |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts |

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Brand:** STARNOVO
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 800 Milliamp Hours
- **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.sg/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40](https://www.desertcart.sg/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-08*