7.4V 2S Li-ion Balance Charger with XH-3P Plug - Dual USB Port for RC Car & Drone Battery Packs

Product Description

Charge Anytime, Anywhere with Dual Efficiency
This 7.4V 2S Li-ion 2-in-1 Dual Balance Charger is specially designed for RC enthusiasts who need ultimate portability. Powered by a standard USB interface (5V input), it works seamlessly with mobile phone chargers, power banks, or car USB adapters, freeing you from wall outlets. Built with independent dual-channel balance charging chips, it supports simultaneous charging for two 7.4V battery packs, delivering a stable 600mA per channel. Lightweight and compact (just 54g) with a 102cm extended cable, it is the perfect charging companion for outdoor RC flying and racing.

Key Features

• Dual 2-in-1 Balance Charger: Features two independent XH-3P balance ports, allowing you to charge two 7.4V (2S) Li-ion battery packs simultaneously for double the efficiency.
• USB Powered: 5V 1-2A USB input. No wall adapter needed; fully compatible with phone chargers, computer USB ports, and outdoor power banks.
• Smart Safety Protection: Built-in overcharge, overcurrent, and reverse polarity protection. Balanced charging extends the lifespan of every individual cell.
• Ultra-Lightweight & Portable: Weighs only 54g and fits easily into your RC car bag or drone case.
• Extended Power Cable: Comes with a 102cm long cable, providing flexibility to place your batteries while charging.

Specifications

• Input Voltage: DC 5V (1A-2A USB Standard).
• Output Voltage: DC 7.4V × 2 (Dual output for 2S battery packs).
• Output Current: 2 × 600mA (Total 1.2A).
• Balance Connector: XH-3P male plug (3-pin).
• Cable Length: Approx. 102cm (not including box).
• Net Weight: Approx. 54g.

Applications

• RC Hobby Models: RC Cars, RC Airplanes, RC Boats.
• Outdoor Drone Flying: Connect to a power bank for on-the-go field charging.
• DIY Electronics: Daily maintenance for 7.4V power projects such as 18500 battery packs.

FAQ

Q: How do I know the charging status?
A: The LED indicator is red while charging and turns green automatically once fully charged.

Q: Can I charge two 7.4V batteries at the same time?
A: Yes, it supports two independent channels for balanced charging and can safely charge two 2S batteries simultaneously.

Q: What kind of USB adapter should I use?
A: It uses a standard USB interface. It is recommended to use a USB charger or power bank with an output of 2A or higher to ensure maximum dual-channel charging speed.