---
product_id: 808136569
title: "High Capacity 300mAh 3.7V RC Drone Battery, Pure Cobalt UAV Replacement Battery Compatible with E55 FQ777 FQ17W F180 FY530 U816 U830 X11C"
brand: "sxhlseller"
price: "€ 41.42"
currency: EUR
in_stock: true
category: "Sxhlseller"
url: https://www.desertcart.sk/products/808136569-high-capacity-300mah-3-7v-rc-drone-battery-pure-cobalt
store_origin: SK
region: Slovakia
---

# 3.7V stable power output 300mAh high capacity Pure cobalt for safety & performance High Capacity 300mAh 3.7V RC Drone Battery, Pure Cobalt UAV Replacement Battery Compatible with E55 FQ777 FQ17W F180 FY530 U816 U830 X11C

**Brand:** sxhlseller
**Price:** € 41.42
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your drone, own the skies – never miss a flight!

## Quick Answers

- **What is this?** High Capacity 300mAh 3.7V RC Drone Battery, Pure Cobalt UAV Replacement Battery Compatible with E55 FQ777 FQ17W F180 FY530 U816 U830 X11C by sxhlseller
- **How much does it cost?** € 41.42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/808136569-high-capacity-300mah-3-7v-rc-drone-battery-pure-cobalt)

## Best For

- sxhlseller enthusiasts

## Why This Product

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

## Key Features

- • **Extended Flight Time:** 300mAh capacity ensures longer airborne adventures without interruptions.
- • **Reliable Backup Power:** Keep your drone flying longer with this perfect replacement battery.
- • **Lightweight & Portable:** Compact design makes battery swaps effortless and travel-ready.
- • **Premium Pure Cobalt Build:** Delivers stable current and enhanced safety for worry-free flights.
- • **Universal Drone Compatibility:** Seamlessly powers top models like E55, FQ777, and X11C for ultimate versatility.

## Overview

This 300mAh 3.7V RC drone battery, crafted from premium pure cobalt, offers stable power and enhanced safety. Compatible with popular drone models like E55, FQ777, and X11C, its lightweight design ensures easy swaps and extended flight times, making it the ideal replacement or backup battery for uninterrupted UAV adventures.

## Description

Item Type: RC Drone Battery Material: Pure Cobalt Battery Model: 702030 Voltage: 3.7V Battery Capacity: 300mAh Battery (Pure Battery Shipped) Applicable: for E55 FQ777 FQ17W F180 FY530 U816 U830 X11C PackageList: 5 x RC Drone Battery

## Features

- Wide Compatibility: This high-grade RC drone battery is compatible with popular models including E55, FQ777, FQ17W, F180, FY530, U816, U830, , and X11C drones, making it a versatile replacement part.
- High Capacity & Performance: Featuring a 300mAh capacity and 3.7V voltage, this lithium battery delivers extended flight time and stable power output for an enhanced, uninterrupted flying experience.
- Premium Pure Cobalt Material: Constructed from high-grade pure cobalt, the battery ensures safety, stable current performance, and reliable power delivery for your UAV.
- Lightweight & Portable Design: Its compact and lightweight build makes it easy to carry and install, perfect for on-the-go use and quick battery swaps during drone sessions.
- Perfect Replacement Power Source: Serves as an excellent replacement or backup battery, allowing you to enjoy longer, worry-free flight sessions without time constraints.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0GQHWW4ZH |
| Guaranteed software updates until | unknown |
| Item model number | Sxhlsellerwz6kloeytu |
| Manufacturer | Sxhlseller |
| Package Dimensions | 12 x 9 x 8 cm; 75 g |

## Product Details

- **Brand:** Sxhlseller
- **Manufacturer:** Sxhlseller
- **Model name:** Sxhlsellerwz6kloeytu
- **Unit count:** 1.0 count

## Images

![High Capacity 300mAh 3.7V RC Drone Battery, Pure Cobalt UAV Replacement Battery Compatible with E55 FQ777 FQ17W F180 FY530 U816 U830 X11C - Image 1](https://m.media-amazon.com/images/I/61y8TNpOSmL.jpg)

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**Shop now:** [https://www.desertcart.sk/products/808136569-high-capacity-300mah-3-7v-rc-drone-battery-pure-cobalt](https://www.desertcart.sk/products/808136569-high-capacity-300mah-3-7v-rc-drone-battery-pure-cobalt)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-12*