---
product_id: 643556262
title: "Blomiky 2 Pack 3.7V 650mAh LI-ion Battery with MX2.0 Plug and USB Cable Replacement for Y878 RC Robot Dog and TKKJ H116 RC Boat / 116 Battery"
brand: "blomiky"
price: "€ 22.62"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/643556262-blomiky-2-pack-3-7v-650mah-li-ion-battery-mx2
store_origin: NL
region: Netherlands
---

# 650mAh capacity 3.7V Li-ion power MX2.0 plug & USB charging Blomiky 2 Pack 3.7V 650mAh LI-ion Battery with MX2.0 Plug and USB Cable Replacement for Y878 RC Robot Dog and TKKJ H116 RC Boat / 116 Battery

**Brand:** blomiky
**Price:** € 22.62
**Availability:** ✅ In Stock

## Summary

> 🔋 Power your play, never miss a move!

## Quick Answers

- **What is this?** Blomiky 2 Pack 3.7V 650mAh LI-ion Battery with MX2.0 Plug and USB Cable Replacement for Y878 RC Robot Dog and TKKJ H116 RC Boat / 116 Battery by blomiky
- **How much does it cost?** € 22.62 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/643556262-blomiky-2-pack-3-7v-650mah-li-ion-battery-mx2)

## Best For

- blomiky enthusiasts

## Why This Product

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

## Key Features

- • **Smart USB Charging:** Built-in overcharge protection with intuitive red LED charging indicator.
- • **Reliable Power Boost:** 650mAh capacity ensures longer playtime for your RC devices.
- • **Universal MX2.0 Plug:** Seamlessly compatible with Y878 Robot Dog, TKKJ H116 Boat, and more.
- • **Compact & Lightweight:** Slim 51x18x14.3mm design weighing just 20g for easy installation.
- • **Versatile Replacement:** Perfect fit for multiple RC models including FYGURSO Sharks and YEETFTC boats.

## Overview

The Blomiky 2 Pack 3.7V 650mAh Li-ion batteries with MX2.0 plug offer reliable, rechargeable power tailored for popular RC toys like the Y878 Robot Dog and TKKJ H116 Boat. Featuring smart USB charging with overcharge protection and a compact design, these batteries ensure extended, safe playtime and easy replacement across multiple RC models.

## Description

Blomiky 2 Pack 3.7V 650mAh LI-ion Battery with MX2.0 Plug and USB Cable Replacement for Y878 RC Robot Dog and TKKJ H116 RC Boat / 116 Battery

## Features

- Battery plug : MX2.0, or called XH2.54 plug. USB Charger cable buit-in over-charged protection circuit, Red light is solid when charging, red light is off after full charged.
- Battery Real Capacity: 1S 3.7V 650mAh---800mAh. USB charge cable input: 5V 2A, output 4.2V 0.5A.
- Battery dimensions: 51*18*14.3mm /2.0*0.7*0.56inch,, net weight: 20grams. 3.7V 650mAh Battery suitable for fygurso 208000 Remote Control Sharks.
- 3.7V 1S 650mAh Li-ion rechargeable battery suitable for Skytech TKKJ H116 Remote Control Boat,
- 3.7V 1S Li-ion Battery Suitable for Dwi Dowellin Y878 Robot Dog Remote Control Robot Dog, which use same MX2.0 white 2 pin plug battery,same size too.
- 3.7V 1S 650mAh Li-ion rechargeable battery replacement for some kind RC Boat. Battery also replacement for YEETFTC H116 RC Boat.

## Product Details

- **Number of Batteries:** 2 Lithium Ion batteries required. (included)
- **Brand:** Blomiky
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 650 Milliamp Hours
- **Recommended Uses For Product:** Remote control Boat

## Images

![Blomiky 2 Pack 3.7V 650mAh LI-ion Battery with MX2.0 Plug and USB Cable Replacement for Y878 RC Robot Dog and TKKJ H116 RC Boat / 116 Battery - Image 1](https://m.media-amazon.com/images/I/71i6kqaS3dL.jpg)

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**Shop now:** [https://www.desertcart.nl/products/643556262-blomiky-2-pack-3-7v-650mah-li-ion-battery-mx2](https://www.desertcart.nl/products/643556262-blomiky-2-pack-3-7v-650mah-li-ion-battery-mx2)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-23*