KBT 7.4V 2600mAh Li-ion Rechargeable Battery Pack with Red JST-2P Plug for RC Vehicles and Electronics

This 7.4V 2600mAh lithium-ion rechargeable battery pack from KBT Keep Better Tech is designed to power a wide range of electronics, including RC helicopters, cars, trucks, boats, lighting, and Bluetooth equipment. It comes fitted with a red JST-2P connector and delivers a maximum discharge current of 4A. With a compact size of 2.60 x 1.46 x 0.70 inches and a weight of 97.3 grams, it slots into many devices that require a 7.4V power source.

Key Specifications at a Glance

Compatibility and Use Cases

This battery is suitable for any equipment that runs on 7.4V, provided the physical dimensions and connector type match. Common compatible devices include 1/10, 1/12, and 1/16 scale RC cars, trucks, and boats, as well as RC helicopters. It also works with certain lighting systems, Bluetooth speakers, and voice amplifiers. Always check your device’s voltage requirements and available space before purchasing.

Runtime and Cycle Life

Under typical use, a single charge provides 1–2 hours of run time for an RC car. The battery supports roughly 800 charge-discharge cycles, which translates to an estimated lifespan of 2–3 years with regular use. Actual performance depends on the device and operating conditions.

Warranty and Support

KBT backs this battery with a lifetime guarantee. If any defect arises from the product itself, the manufacturer will replace it or issue a refund. Contact customer support with any questions or concerns.

Important Safety Notes

The red JST-2P connector has a positive red wire and a negative black wire. Reversing the polarity can damage your device. When storing or using the battery, keep it within recommended ambient temperature ranges to ensure safety and prolong its life. This battery pack is sold without standalone lithium cells.

Frequently Asked Questions

Will this battery fit my RC car?

It fits if your RC car runs on 7.4V and the battery compartment accommodates the 2.60 x 1.46 x 0.70 inch size, and if the red JST-2P connector matches your vehicle’s plug. Measure your existing battery to be sure.

How many charge cycles can I expect?

The battery is rated for about 800 charge-discharge cycles, which in frequent use should last 2–3 years.

What if the battery arrives defective?

KBT offers a lifetime guarantee: contact them for a replacement or refund if the issue is caused by the product itself.