Vapcell 10440 Rechargeable Battery – 320mAh, 3A

The Vapcell 10440 is a compact lithium-ion rechargeable battery with a rated capacity of 320 mAh and a continuous discharge current of 3 A. It is designed for devices that require a small but reliable power source.

Rated capacity: 320 mAh
Minimum capacity: 290 mAh
Discharge current (continuous): 3 A
Dimensions: 10.1 x 45 mm
Weight: 10 g (approximately)
Rated voltage: 3.6V
Internal resistance: 60 mΩ (approximate, AC 1 kHz)
Normal charging: 250 mA, CCCV, 50 mA cut-off
Fast charging: 500 mA

A battery with or without protection?

Protected batteries have a small electronic circuit board built into the anode or cathode. It protects against overcharging, over-discharging, and excessive current—and automatically cuts off the circuit when necessary.

Batteries with protection circuits often have a raised positive terminal and are suitable for flashlights with mechanical reverse-polarity protection. Brands such as Acebeam, Olight, Fenix, Nitecore, and Armytec manufacture such flashlights.

Protected batteries are not suitable for flashlights such as Zebralight and Dulotec, which are designed specifically for unprotected batteries. They are slightly longer and wider than standard sizes, making them incompatible with certain devices.

Some flashlights require a higher current, which protected batteries cannot provide. The easiest way to choose the right battery is to measure the original battery’s dimensions in millimeters and compare them to the new battery’s specifications. If you’re unsure, contact us—we’ll help you choose the right battery for your device.

Safety Rules for Use and Storage

The battery may catch fire or explode if used improperly. Follow these guidelines:

Do not alter, modify, disassemble, drill, cut, crush, or cause a short circuit.
Do not expose to water, fire, or high temperatures.
Do not use in defective devices.
Do not throw into a fire.
Do not overcharge or undercharge the battery. Do not charge the battery at sub-zero temperatures.
Do not use the battery if the foil is damaged.
Do not carry it in your pocket or purse without a protective case.

Specifications	Value
Brand	Vapcell
Model	10440
Category	Rechargeable battery
Rated Capacity	320 mAh
Minimum capacity	290 mAh
Rated Voltage	3.6V
Discharge Current (Continuous)	3A
Normal charging	250 mA, CCCV, 50 mA segment
Fast Charging	500 mA
Internal Resistance	60 mΩ (approximate, AC 1 kHz)
Dimensions	10.1 x 45 mm
Weight	10 g (approximately)

Frequently Asked Questions

What is the difference between a 10440 battery and an AAA battery?

The 10440 battery is nearly the same physical size as a standard AAA battery, but it is a lithium-ion rechargeable battery. It has a significantly higher voltage of 3.6V compared to the 1.5V of a standard AAA battery. It is not suitable for replacing AAA batteries in ordinary devices, as the higher voltage can damage them. It is intended for specialized devices and flashlights designed specifically for the 10440 format.

Is the Vapcell 10440 compatible with Dulotec flashlights?

Dulotec flashlights are designed for unprotected batteries. The Vapcell 10440 320mAh 3A is an unprotected battery, making it compatible with flashlights that require a standard size and direct current without limiting circuits. Before use, always check the battery dimensions in mm against the specifications of the specific flashlight.

How do I properly charge a Vapcell 10440 battery?

The normal charging current for this battery is 250 mA using the CCCV method, with a cut-off at 50 mA. During fast charging, the current may reach 500 mA. Do not charge the battery at sub-zero temperatures, and never overcharge it beyond its maximum voltage. Use only a compatible charger designed for lithium-ion batteries.

How can I tell if I need a battery with or without protection?

The easiest way is to measure the size of the device’s original battery in millimeters and compare it to the technical specifications. Flashlights from brands such as Acebeam, Olight, Fenix, Nitecore, and Armytec typically accept batteries with protection circuits. Flashlights such as Zebralight and Dulotec are designed for non-protected batteries. If in doubt, contact the Dulotec.COM team for advice.

How do I properly store a 10440 rechargeable battery?

The battery must be stored in a special protective case. Never carry it loose in a pocket or bag—contact with metal objects can cause a short circuit. Keep it away from water, fire, and high temperatures. Do not store the battery if the foil seal is broken.

What is the internal resistance of the Vapcell 10440, and why is it important?

The internal resistance of the Vapcell 10440 is approximately 60 mΩ, measured at 1 kHz AC. Lower internal resistance means less energy loss in the form of heat and more stable voltage under load. This is an important factor for devices that require a constant and reliable current, such as tactical flashlights.

What should I do if the battery foil is damaged?

A battery with a damaged foil should not be used. The damaged coating exposes the battery’s metal parts and may cause a short circuit, overheating, or even a fire. Such a battery must be disposed of properly in accordance with local regulations for recycling lithium-ion batteries.