The TOPLY 3.7V 3000mAh Li-ion 18650 battery is a reliable power source for devices that require stable and long-lasting performance. With a large 3000mAh capacity, the battery provides extended use without frequent recharging.

The standard 18650 format makes this battery versatile – it's suitable for flashlights, portable electronics, power banks, DIY projects, and other devices. Lithium-ion technology guarantees a stable 3.7V voltage, no memory effect, and a long service life.

The TOPLY battery is the ideal choice for those who value reliability, efficiency, and safe operation in everyday use.

⚙️ Specifications

This battery uses the standard 18650 format and lithium-ion (Li-ion) technology. With a nominal voltage of 3.7 V and a capacity of 3000 mAh, it provides stable power and long runtime for connected devices. The battery has no memory effect, supports multiple charge and discharge cycles, and is suitable for a wide range of electronic devices and portable devices.

⭐ Key Benefits

✔ Large 3000 mAh capacity for long battery life

✔ Stable 3.7 V voltage for sensitive electronics

✔ Universal 18650 format — compatible with many devices

✔ Lithium-ion technology without memory effect

✔ Trusted TOPLY brand

✔ Suitable for daily use and DIY projects

❓ FAQ — Frequently Asked Questions

Is this battery suitable for flashlights?

Yes, the 18650 format and 3.7 V voltage make it compatible with most flashlights and portable devices.

Does it have memory effect?

No. Li-ion technology has no memory effect, and the battery can be charged at any time.

How long does the charge last?

With a 3000mAh capacity, the battery provides a long runtime, depending on the device's consumption.

Can it be used in DIY projects?

Yes, the battery is suitable for DIY projects and battery assemblies.

What charger is required?

A charger designed for 18650 Li-ion batteries is recommended.