2600mAh 3.7V Li-ion Replacement Battery with XH2.54 Connector for Voice Amplifiers and DIY Projects
This 2600mAh 3.7V lithium-ion replacement battery is designed for Croove voice amplifiers and a range of other electronic devices. It features a capacity of 2600mAh, voltage of 3.7V, and an energy rating of 9.62Wh. The battery comes with an XH2.54mm-2p connector, and measures 66x16x21mm with a weight of 46g. It is intended for users who need a reliable power source for DIY electronics, Bluetooth speakers, flashlights, toys, solar lights, and more. Important: Before purchase, verify that the polarity and connector of the battery match your device to avoid damage.
What should I check before buying this replacement battery?
This battery is not universal. You must confirm three things: battery size (66x16x21mm), connector model (XH2.54mm-2p), and connector polarity. The red wire is positive (+), black wire is negative (-). If the polarity does not match your device, it can cause a short circuit or equipment damage. Always compare the voltage and polarity with your original battery.
Technical specifications
| Capacity | 2600mAh |
| Voltage | 3.7V |
| Wattage | 9.62Wh |
| Battery Type | Lithium-ion (Li-ion) |
| Size | 66 x 16 x 21 mm |
| Weight | 46g (1.62 oz) |
| Connector | XH2.54mm-2p (2-pin) |
| Wire Polarity | Red = positive, Black = negative |
| Package Contents | 1 x battery |
What safety features does this battery have?
The battery includes an intelligent IC that prevents over-voltage, over-current, over-charging, and short circuits. It also has a safety valve to quickly release exhaust gas, making it safer to use. The low self-discharge technology helps maintain charge over time.
What devices can use this battery?
While designed as a replacement for Croove voice amplifiers, this battery is widely compatible with DIY electronic projects, Bluetooth speakers, electric hand torches, toy cars, solar outdoor lights, garden lights, medical equipment, and power tools. Always confirm connector and polarity match your device.
Frequently asked questions
Q: Is this battery rechargeable?
A: Yes, it is a rechargeable lithium-ion battery with no memory effect.
Q: Does it come with a charger?
A: No, only the battery is included. You need a compatible Li-ion charger.
Q: Can I use this battery in a device that originally used a different brand?
A: Possibly, but you must match the size, connector type, and polarity. The product is not guaranteed to fit all devices.