elxjar 7.4V 600mAh Li-ion rechargeable batteries are engineered to deliver consistent, long-lasting power for a wide range of high-speed RC boats. This 4-pack comes equipped with green male mini Tamiya plugs (square + circle) for secure connection and compatibility with the latest H102 2022 version and other RC boat models including SKYTECH TKKJ H106, H110, H112, H122, DEERC H121, and Bezgar TX121.
Built with high-quality lithium-ion cells, each battery supports a 20C discharge rate to power fast, stable racing and smooth control. Designed for quick recharging and rated for up to 1,500 charge cycles, these batteries are a powerful upgrade or replacement for aging packs. Be sure to check the connector style and battery dimensions before purchase.
Compatible Models:
Skytech H102 (2022 version), H106, H108, H110, H112, H122 RC Boats
Bezgar TX121 RC Boat
DEERC H121 RC Boat
Other RC Boats using green mini Tamiya plug (square + circle) with 7.4V battery
Specifications:
Voltage: 7.4V
Capacity: 600mAh (actual 700–800mAh)
Energy: 4.44Wh
Chemistry: Lithium-ion / Lithium-polymer (depending on model batch)
Configuration: 2S
Discharge Rate: 20C
Connector Type: Mini Tamiya (green, one square & one circle pin)
Charging Port: XH-3P Plug
Dimensions: 39.3 x 36.5 x 18.5 mm (1.55 x 1.44 x 0.73 in)
Weight: 49g (1.73 oz)
FAQ:
Q: Is this compatible with old version H102 boats?
A: No, this battery fits only the **new version H102 (2022 and later)** that uses mini Tamiya plug. Please check your original connector shape before purchase.

Q: Can I use these for DEERC H121?
A: Yes, DEERC H121 is confirmed compatible with this 7.4V 600mAh battery with mini Tamiya plug.