---
product_id: 613570448
title: "3.7V 503040 Battery 620mAh for Cozmo Vector Robot Battery Replacement,SkyBell HD WiFi Video Doorbell Battery Replacement,Flysight FPV Watch、 Wireless Speaker Battery Replacement"
brand: "gymin"
price: "12258 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/613570448-3-7v-503040-battery-620mah-for-cozmo-vector-robot-battery
store_origin: HU
region: Hungary
---

# 3.7V Voltage 620mAh Capacity Built-in Safety Features 3.7V 503040 Battery 620mAh for Cozmo Vector Robot Battery Replacement,SkyBell HD WiFi Video Doorbell Battery Replacement,Flysight FPV Watch、 Wireless Speaker Battery Replacement

**Brand:** gymin
**Price:** 12258 Ft
**Availability:** ✅ In Stock

## Summary

> 🔋 Power Your Playtime with Confidence!

## Quick Answers

- **What is this?** 3.7V 503040 Battery 620mAh for Cozmo Vector Robot Battery Replacement,SkyBell HD WiFi Video Doorbell Battery Replacement,Flysight FPV Watch、 Wireless Speaker Battery Replacement by gymin
- **How much does it cost?** 12258 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/613570448-3-7v-503040-battery-620mah-for-cozmo-vector-robot-battery)

## Best For

- gymin enthusiasts

## Why This Product

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

## Key Features

- • **⚡ Recharge and Go:** Enjoy the convenience of a 620mAh rechargeable lithium polymer battery.
- • **📏 Compact Design:** Lightweight at just 13g, perfect for portable devices.
- • **🛡️ Safety First:** Equipped with advanced protection against overcharging and short circuits.
- • **🌍 Eco-Friendly Choice:** Reduce waste with a reusable battery designed for longevity.
- • **🔋 Power Up Your Devices:** Experience seamless compatibility with Cozmo, SkyBell, and more!

## Overview

The 3.7V 503040 Battery is a versatile and reliable replacement for various devices, including the Cozmo Vector robot and SkyBell HD WiFi Video Doorbell. With a capacity of 620mAh and built-in safety features, this lightweight lithium polymer battery ensures optimal performance and longevity, making it an essential accessory for tech enthusiasts.

## Description

3.7V 503040 Battery 620mAh for Cozmo Vector Robot Battery Replacement,SkyBell HD WiFi Video Doorbell Battery Replacement,Flysight FPV Watch、 Wireless Speaker Battery Replacement

## Features

- Compatible ：COZMO Vector robot, SkyBell HD WiFi Video Doorbell, Flysight FPV Watch, wireless speaker battery replacement，Wireeless bluetooth headset battery replacement.
- 503040 rechargeable lithium ion polymer battery, Nominal voltage 3.7V, full charge voltage: 4.2V, Capacity: 620mAh, Power: 2.29Wh, Weight:13g.
- Safety Features: The 3.7v rechargeable Lipo battery is built with high-quality materials and features built-in protection against overcharging, overheating, and short circuits, this ensures the battery operates optimally and eliminate the risk of any potential hazards.
- LP 503040 for cozmo battery, nominal voltage 3.7V, fully charged 4.2V, 620mAh capacity, Power 2.22Wh,Built-in battery protection circuit module PMC to prevent overdischarge and short circuit of this battery.
- Before replacing, please contrast with the old battery and check the polarity of the battery. Red wire connection power positive " +" , Black wire connect power negative pole "-". if is a reversed, you need position of interchange wires.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Battery Weight | 12 Grams |
| Unit Count | 1 Count |
| Battery Cell Type | Lithium Polymer |
| Recommended Uses For Product | 503040 battery 620mAh |
| Reusability | 503040 3.7v Rechargeable battery |
| Battery Capacity | 620 Milliamp Hours |
| Voltage | 3.7 Volts |
| Compatible Phone Models | 503040 battery |

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Brand:** GYMIN
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 620 Milliamp Hours
- **Recommended Uses For Product:** 503040 battery 620mAh

## Images

![3.7V 503040 Battery 620mAh for Cozmo Vector Robot Battery Replacement,SkyBell HD WiFi Video Doorbell Battery Replacement,Flysight FPV Watch、 Wireless Speaker Battery Replacement - Image 1](https://m.media-amazon.com/images/I/61PHHH3JWWL.jpg)
![3.7V 503040 Battery 620mAh for Cozmo Vector Robot Battery Replacement,SkyBell HD WiFi Video Doorbell Battery Replacement,Flysight FPV Watch、 Wireless Speaker Battery Replacement - Image 2](https://m.media-amazon.com/images/I/617bUwa+4BL.jpg)
![3.7V 503040 Battery 620mAh for Cozmo Vector Robot Battery Replacement,SkyBell HD WiFi Video Doorbell Battery Replacement,Flysight FPV Watch、 Wireless Speaker Battery Replacement - Image 3](https://m.media-amazon.com/images/I/61vVzd3PtYL.jpg)

## Frequently Bought Together

- GYMIN 3.7V 503040 Battery 620mAh for Cozmo Vector Robot Battery Replacement,SkyBell HD WiFi Video Doorbell Battery Replacement,Flysight FPV Watch、 Wireless Speaker Battery Replacement
- Energizer E90 N Alkaline 1.5 Volt Battery (6-Pack)

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**Shop now:** [https://www.desertcart.hu/products/613570448-3-7v-503040-battery-620mah-for-cozmo-vector-robot-battery](https://www.desertcart.hu/products/613570448-3-7v-503040-battery-620mah-for-cozmo-vector-robot-battery)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-22*