---
product_id: 382612524
title: "Blomiky 2 Pack 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDI001 UDI008 UDI009 and HJ808 RC Boat Battery UDI001 USB 2"
brand: "blomiky"
price: "E£ 2190"
currency: EGP
in_stock: true
url: https://www.desertcart.com.eg/products/382612524-blomiky-2-pack-7-4v-2-x-3-7v-400ma
store_origin: EG
region: Egypt
---

# 7.4V dual-cell power SM-4P 4-pin precision plug Built-in overcharge protection Blomiky 2 Pack 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDI001 UDI008 UDI009 and HJ808 RC Boat Battery UDI001 USB 2

**Brand:** blomiky
**Price:** E£ 2190
**Availability:** ✅ In Stock

## Summary

> ⚡ Charge smart, race hard — never miss the wave!

## Quick Answers

- **What is this?** Blomiky 2 Pack 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDI001 UDI008 UDI009 and HJ808 RC Boat Battery UDI001 USB 2 by blomiky
- **How much does it cost?** E£ 2190 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.eg](https://www.desertcart.com.eg/products/382612524-blomiky-2-pack-7-4v-2-x-3-7v-400ma)

## 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

- • **Precision Plug Fit:** SM-4P 4-pin connector ensures seamless compatibility with select UDI and HJ808 RC boats—no guesswork, no loose connections.
- • **Clear Charge Status:** Intuitive LED indicator switches from red (charging) to green (fully charged) so you never miss a beat.
- • **Tailored Power Boost:** Specifically engineered 7.4V (2x3.7V) output for optimal RC boat battery performance.
- • **Smart Charging Safety:** Integrated IC circuit prevents overcharging, protecting your battery and extending its lifespan.
- • **Exclusive Compatibility:** Designed exclusively for older UDI001, UDI008, UDI009, HJ808, and select Altair & Cheerwing RC boats—stay ahead with the right gear.

## Overview

This 2-pack USB charger cable delivers a precise 7.4V (2x3.7V) output with a specialized SM-4P 4-pin plug designed exclusively for older UDI and HJ808 RC boat batteries. Featuring built-in overcharge protection and a clear LED charging indicator, it ensures safe, efficient power delivery to keep your remote control boats race-ready.

## Description

2 Pack 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDI001 UDI008 UDI009 and HJ808 RC Boat Battery UDI001 USB 2

## Features

- Do not fit other device besides HJ808 UDI008 UDI001 RC Boat. SM-4P Connector Plug, Only in RC Boat Battery which use same SM-4P plug. When put in plug convex side on above,flat side on below., first and third pin is positive, second and forth pin is negative. please make sure your battery is same. don't reversed.
- USB charger cable built-in over-charged IC circuit protection,Red ligth is solid when charging, change to green light solid after full charged. 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDIRC UDI001 UDI008 RC Boat
- 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Altair AA102 Big size Red RC Boat and Altair MidSize AA Wave RC Remote Control Boat Yellow colour,
- 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for batttery fit for DEERC 2008 RC Boat Remote Control Boat with LED Light and HONGXUNJIE HJ808 Red and Blue 2.4Ghz RC Boat
- 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug fit for Cheerwing Venom Black orange RC Boat Remote Control Boat battery.

## Product Details

- **Brand:** Blomiky
- **Connector type:** Sm-4p
- **Cable type:** USB
- **Compatible devices:** Charging Adapter
- **Special features:** Braided

## Images

![Blomiky 2 Pack 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDI001 UDI008 UDI009 and HJ808 RC Boat Battery UDI001 USB 2 - Image 1](https://m.media-amazon.com/images/I/61B4Bp9dtgL.jpg)

## Frequently Bought Together

- Blomiky 2 Pack 7.4V / 2 x 3.7V 400mA USB Charger Cable with SM-4P 4 pin Plug for Old Version UDI001 UDI008 UDI009 and HJ808 RC Boat Battery UDI001 USB 2
- Fytoo Accessories 2PCS 7.4V 500mAh SM-4P Plug Battery for EC16 DE85 Remote Control Boat Spare Battery Boat Model Car Model High-Rate Lithium Battery

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**Shop now:** [https://www.desertcart.com.eg/products/382612524-blomiky-2-pack-7-4v-2-x-3-7v-400ma](https://www.desertcart.com.eg/products/382612524-blomiky-2-pack-7-4v-2-x-3-7v-400ma)

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*Product available on Desertcart Egypt*
*Store origin: EG*
*Last updated: 2026-02-24*