7.4V 2S Li-ion USB Charging Cable SM-4P Positive Plug - 1000mA Lightweight Charger Cord for RC Car Battery Packs

Product Description

Ultra-Lightweight, Exclusive Power for RC Cars
This 7.4V SM-4P Positive Plug Li-ion Battery USB Charging Cable is specially designed for RC enthusiasts using SM series connectors. Powered by a standard USB interface (5V 1-2A), it works perfectly with phone chargers, computer USB ports, or power banks. The built-in smart charging chip delivers a stable and safe 1000mA output, ensuring balanced charging without damaging your battery. Weighing only 15.5g with a 56.5cm length, it is ultra-lightweight and fits effortlessly into your RC bag or pocket. A must-have accessory for your everyday RC racing and outdoor fun.

Key Features

• 1000mA Intelligent Constant Current: Specifically designed for 7.4V 2S battery packs, providing a safe 1000mA output to effectively protect and extend battery life.
• Standard USB Powered: 5V 1-2A wide input range. Compatible with phone chargers, car USB ports, power banks, and computer USB interfaces. Charge anywhere.
• Ultra-Lightweight & Portable: Weighs just 15.5g and measures 56.5cm. Incredibly lightweight, making it easy to carry and use anywhere.
• SM-4P Positive Plug: Specifically designed for SM interface RC devices. The positive plug ensures a secure and reliable connection that won't easily loosen.
• Safe Protection: Built-in intelligent control IC provides overcurrent, overvoltage, and short-circuit protection for safe and reliable charging.

Specifications

• Input Voltage: DC 5V 1-2A (Standard USB).
• Output Voltage: DC 7.4V (For 2S Li-ion battery packs).
• Output Current: 1000mA (Stable and safe).
• Connector Type: SM-4P Positive Plug (Designed for RC cars/aircraft).
• Cable Length: Approx. 56.5cm (including USB plug).
• Net Weight: Approx. 15.5g.

Applications

• RC Model Charging: RC cars, RC trucks, RC monster trucks with SM battery packs.
• Outdoor Drone Emergencies: Connect to a power bank to charge drone batteries on the go.
• Daily Maintenance: Ideal for various 7.4V 18500 battery packs with SM plugs.

FAQ

Q: How do I know when it's fully charged?
A: Once connected to power and a battery, the LED lights up Red while charging. It will turn Green or turn off once fully charged (may vary slightly by batch).

Q: Can I use it to charge an 11.1V (3S) battery?
A: No. This product only supports 7.4V (2S) battery packs. Using it on a 3S battery will trigger the protection mechanism or result in undercharging.