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

Description

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

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.