7.4V 2S Li-ion Battery USB Charger Cable with SM-3P Connector

Smart & Portable Power Management

Tired of guessing when your RC battery is ready for action? This 7.4V SM-3P USB charger cable eliminates the uncertainty of charging. Designed for high-capacity 2S lithium batteries, it provides a convenient USB interface that lets you charge from laptops, power banks, or wall adapters. The integrated smart chip protects your cells from overcharging, solving the common frustration of damaged batteries due to improper power regulation.  Ships worldwide.

Product Highlights

• Visual Charging Feedback: Features a clear LED indicator system—the light flashes during the charging process and turns to a solid green once fully charged.

• Standard SM-3P Connector: Equipped with a high-quality 3-pin SM-3P plug, ensuring a secure and stable connection for various RC vehicle and toy batteries.

• High-Efficiency Output: Delivers a stable DC 7.4V 1000mA output to ensure your batteries reach peak capacity quickly and safely.

• Universal USB Compatibility: The DC 5V 1-2A input allows for versatile charging options whether you are at home or on the go.

Compatibility

For the 3-Pin Plug Lithium Battery only

What’s in the Box

• 1 x 7.4V 2S SM-3P USB Charger Cable

Install Tips

• Connection Sequence: First, plug the USB end into a powered port; once the indicator lights up, connect your 7.4V battery to the SM-3P plug.

• Indicator Monitoring: Ensure the light begins to flash after connection; if the light remains solid green immediately, verify that your battery is not already full or that the connection is tight.

• Safe Environment: Always place the battery and charger on a non-flammable surface during use and do not leave charging batteries unattended.

• Unplugging: To maintain cable longevity, pull by the plastic connector housing rather than the wires when disconnecting the SM-3P plug.

Support & Warranty

• 3-month warranty on manufacturing defects
• Ships worldwide