---
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: "₩39391"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40
store_origin: KR
region: South Korea
---

# 3.7V voltage 800mAh capacity UL & CE certified 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:** ₩39391
**Availability:** ✅ In Stock

## Summary

> 🔊 Power Up Your Beats!

## 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?** ₩39391 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/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

- • **Perfect Fit:** 100% compatible with Sennheiser HD 4.40, 4.50, Urbanite XL, and Momentum 2.0.
- • **Safety First:** Certified by UL, CE, and RoHS for your peace of mind.
- • **Recharge & Go:** Conveniently rechargeable for endless listening.
- • **Unleash Your Sound:** Experience uninterrupted audio with a powerful 800mAh capacity.
- • **Long-Lasting Performance:** Enjoy over 300 cycles of reliable power.

## Overview

This 3.7V 800mAh replacement battery is designed for Sennheiser HD 4.40, HD 4.50, Urbanite XL, and Momentum 2.0 Wireless Bluetooth Headphones. It features a lithium polymer design, ensuring safety and reliability with certifications from UL, CE, and RoHS. With over 300 cycles of life, this battery guarantees long-lasting performance, making it the perfect companion for your audio adventures.

## 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

## 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 |
|---------------|-------|
| Item Dimensions | 2.76 x 1.77 x 0.55 inches |
| Item Weight | 12 Grams |
| Battery Weight | 10 Grams |
| Unit Count | 1 Count |
| Battery Cell Type | Lithium Polymer |
| Recommended Uses For Product | Headphone |
| Reusability | Rechargeable |
| Battery Capacity | 800 Milliamp Hours |
| 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)

## 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.kr/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40](https://www.desertcart.kr/products/354920314-3-7v-800mah-replacement-battery-for-sennheiser-hd-4-40)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-15*