Qimoo 3.7V 5200mAh Lithium Ion Battery Pack with JST-2P Connector for RC Vehicles and DIY Projects
This 5200mAh lithium ion battery pack from Qimoo delivers a steady 3.7V nominal voltage and a 19.24Wh energy rating, making it a reliable power source for many 3.7V to 4.2V devices. It comes pre-fitted with a JST-2P connector on a 5cm lead, designed for RC trucks, boats, stunt cars, Bluetooth speakers, solar lights, medical gear, power tools, and DIY electronics.
Technical details at a glance
| Capacity | 5200mAh |
| Nominal Voltage | 3.7V |
| Energy | 19.24Wh |
| Cell Type | Lithium Ion |
| Connector | JST-2P (female) |
| Cable Length | 5cm / 2 inches |
| Dimensions | 66 x 37 x 20 mm (2.6 x 1.45 x 0.78 in) |
| Weight | 98g |
| Internal Resistance | 18mΩ |
| Cycle Life | ~300 cycles to 85% capacity |
How does this battery pack perform?
The cells are matched for consistent voltage, internal resistance (18mΩ), and capacity. With normal charging and discharging, it can maintain around 85% of its original capacity after 300 cycles. That translates to a long usage life for RC hobbyists or portable projects that need repeated recharges.
What devices can use this battery?
Suitable for equipment that operates in the 3.7V to 4.2V range. Common applications include:
- RC vehicles (trucks, boats, stunt cars)
- DIY electronic projects
- Bluetooth speakers
- Solar outdoor lights
- Medical devices
- Power tools
Is this battery compatible with my device?
Before purchase, verify that your device accepts a 3.7V lithium ion battery with a JST-2P connector. Pay close attention to the polarity of the connector—if it does not match, it can cause a short circuit. This pack is not universal. Check four points: battery size, connector model, connector size, and connector polarity.
What's included in the package?
You get one 5200mAh lithium ion battery pack with the JST-2P connector already attached.