USB Battery Charger Cable 3.7V–11.1V | XH PH SM RC Hobby

Universal USB Battery Charging Cable – 3.7V / 7.4V / 11.1V

Keep your RC vehicles, drones, and hobby electronics powered up and ready to go with this compact, versatile USB battery charging cable. Compatible with a wide range of connector types — XH-3P, XH-4P, PH2.0, and SM-3Pin — this single cable handles multiple battery voltages (3.7V, 7.4V, and 11.1V), making it an essential addition to any hobbyist's kit.

Key Features

• Multi-Voltage Compatibility: Supports 3.7V, 7.4V, and 11.1V lithium battery packs — ideal for RC cars, aircraft, boats, and more.
• Wide Connector Support: Fits XH-3P, XH-4P, PH2.0, and SM-3Pin plugs, covering a broad range of hobby-grade battery connectors.
• Intelligent IC Protection: Built-in smart load identification chip guards against excessive current and voltage, helping to protect your batteries and devices during every charge cycle.
• Overload & Short-Circuit Protection: Advanced intelligent IC technology actively monitors the charging process, providing overload protection and short-circuit protection for added safety.
• USB Powered: Charges conveniently from any standard USB port — no dedicated wall charger required. Output power ≤37.5W.
• Compact & Portable: 50 cm (19.69 in) cable length makes it easy to pack in your RC gear bag and use anywhere.
• Brand New: Every cable ships fresh from the factory in excellent condition.

Specifications

• Compatible Voltages: 3.7V / 7.4V / 11.1V
• Plug Types: XH-3P, XH-4P, PH2.0, SM-3Pin
• Charge Current: 1000mA / 500mA
• Cable Length: 50 cm (approx. 19.69 in)
• Input: USB
• Output Power: ≤37.5W
• Made in Mainland China

What's in the Box?

• 1 × Universal USB Battery Charging Cable (connector type per selected variant)

Perfect For

• RC aircraft, drones, and quadcopters
• RC cars and trucks
• RC boats and ships
• Hobby-grade lithium battery packs

Looking for more hobby and electronics accessories? Check out our Electromagnetic Induction Tester – Coil & Circuit Fault Detector or our Air Compressor Pressure Gauge – DIY Tool for your workshop toolkit.

Learn more: ENERGY STAR product efficiency guidance

Frequently Asked Questions

Q: Which battery connector types does this USB charging cable support?

A: This universal charging cable supports four common hobby battery connector types: XH-3P, XH-4P, PH2.0, and SM-3Pin. It is compatible with 3.7V, 7.4V, and 11.1V lithium battery packs, making it suitable for a wide variety of RC vehicles and hobby electronics.

Q: Is it safe to leave batteries charging unattended with this cable?

A: The cable features a built-in intelligent IC chip that provides overload protection and short-circuit protection, automatically blocking excessive current and voltage from reaching your battery. While these safeguards add a meaningful layer of safety, as a general best practice it is always recommended to monitor lithium battery charging and avoid leaving devices completely unattended.

Q: What USB power source do I need to use this charger?

A: The cable plugs into any standard USB port — such as a USB wall adapter, power bank, laptop, or car USB charger. No proprietary charger is required. The output power is rated at ≤37.5W, and charge current options are 1000mA or 500mA depending on the variant selected.