---
product_id: 279736111
title: "502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam"
brand: "hxjnldc"
price: "5676 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/279736111-502540-3-7v-battery-550mah-for-sena-smh5-motorcycles-bluetooth
store_origin: IS
region: Iceland
---

# 3.7V nominal voltage with 4.2V full charge 550mAh high-capacity power Advanced overcharge & short circuit protection 502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam

**Brand:** hxjnldc
**Price:** 5676 kr
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your ride with confidence — never miss a beat!

## Quick Answers

- **What is this?** 502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam by hxjnldc
- **How much does it cost?** 5676 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/279736111-502540-3-7v-battery-550mah-for-sena-smh5-motorcycles-bluetooth)

## 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

- • **DIY Friendly:** Easy solder or plug-in with heat shrink sleeve included
- • **Safety First:** Built-in Japanese Seiko IC safeguards battery health
- • **Compact Powerhouse:** Slim 5×25×41mm size packs 550mAh capacity
- • **Lightweight & Reliable:** Only 11.5g with high-temp silicone cables for durability
- • **Seamless Compatibility:** Fits Sena SMH5 series & Nextbase 312GW DVR perfectly

## Overview

This 3.7V 550mAh lithium polymer battery is a precision replacement for Sena SMH5 motorcycle Bluetooth headsets and Nextbase 312GW HD DVR cams. Featuring advanced Japanese Seiko IC protection against overcharge, overdischarge, and short circuits, it ensures safe, reliable power in a compact 5×25×41mm form factor. Lightweight and DIY-friendly with included heat shrink sleeves, it’s engineered for seamless integration and long-lasting performance.

## Description

Full description not available

## Features

- ★Compatible with Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement,compatible models for Sena SMH5S,Sena SMH5-UNIV,Sena SMH5D,Sena SMH5D-UNIV,Sena SMH5-FM,Sena SMH5-FM-01,Sena SMH5-FM-UNIV, SPH10H-FM Battery Part Number (P/N): ICP40/25/40P fits Nextbase 312GW，HD Recording DVR Cam。Also suitable for DIY electronic products with 3.7-5V and less than 2.03Wh 550mAh built-in 2-wire battery replacement.（★ Not applicable to high-power electric tools and model aircraft）
- Please compare the connector specifications and polarity according to the display diagram before purchasing,★the red wire is the positive "+" and the black wire is the negative "-"，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.
- 502540 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 550mAh, power 2.03Wh, ★size 5×25×41mm(0.197×0.984×1.614inch）(T*W*L), Weight:11.5g(0.405oz)，Maximum current:0.5A。 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 Pitch1.25mm 2-pin connector module.
- If there are any quality issues within one year, ★please feel free to contact us via email for replacement.

## Product Details

- **Number of Batteries:** 2 Lithium Polymer batteries required. (included)
- **Brand:** HXJNLDC
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 550 Milliamp Hours
- **Recommended Uses For Product:** Motorcycles

## Images

![502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam - Image 1](https://m.media-amazon.com/images/I/61Hzqa6VZkL.jpg)
![502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam - Image 2](https://m.media-amazon.com/images/I/71bszR7VytL.jpg)
![502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam - Image 3](https://m.media-amazon.com/images/I/81jSmvePDIL.jpg)
![502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam - Image 4](https://m.media-amazon.com/images/I/81ygEeonPJL.jpg)
![502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam - Image 5](https://m.media-amazon.com/images/I/6106D5+qX5L.jpg)

## Available Options

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

## Frequently Bought Together

- 502540 3.7v Battery 550mAh for Sena SMH5 Motorcycles Bluetooth Headset Battery Replacement Sena SMH5-FM SMH5D SPH10H-FM Part Number (P/N): ICP40/25/40P fits Nextbase 312GW HD Recording DVR Cam
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**Shop now:** [https://www.desertcart.is/products/279736111-502540-3-7v-battery-550mah-for-sena-smh5-motorcycles-bluetooth](https://www.desertcart.is/products/279736111-502540-3-7v-battery-550mah-for-sena-smh5-motorcycles-bluetooth)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-03-04*