Vapcell 21700 D2152 Battery – 5200mAh, 15A

The Vapcell D2152 is a high-quality 21700-type lithium-ion rechargeable battery with a capacity of 5200mAh and a maximum continuous discharge current of 15A. Manufactured in China, it is suitable for flashlights and devices designed for unprotected batteries.

Key Features

Type: INR 21700, model D2152 with a flat positive terminal
Rated capacity: 5200mAh
Minimum capacity: 5050mAh
Rated voltage: 3.7V
Maximum continuous discharge current: 15 A
Charging end voltage: 4.20V
Discharge-end voltage: 2.5V
Normal charging: 2000 mA
Fast charging: 2500 mA
Dimensions: height 71 mm, diameter 21.6 mm
Weight: 70 g
Unprotected

Specifications	Value
Brand	Vapcell
Model	D2152
Type	21,700 INR
Rated Capacity	5,200 mAh
Minimum capacity	5050 mAh
Rated voltage	3.7V
Maximum continuous discharge current	15A
Voltage at the end of charging	4.20 V
Voltage at the end of the discharge	2.5V
Normal charging	2000 mA
Fast Charging	2,500 mA
Elevation	71 mm
Diameter	21.6 mm
Weight	70 g
Defense	Unprotected
Plus	Flat

A battery with or without protection?

Protected batteries have a small circuit board built into the anode or cathode. It protects against overcharging, over-discharging, and excessive current. In a critical situation, the protection system automatically shuts down the battery.

Batteries with protection circuits often have a raised positive terminal and are suitable for flashlights with mechanical reverse-polarity protection. Examples include models from Acebeam, Olight, Fenix, Nitecore, and Armytec.

Unprotected batteries, such as this Vapcell D2152, are intended for flashlights specifically designed for standard-size batteries—for example, Zebralight and Dulotec. Protected batteries are slightly longer and wider, so they are not compatible with all devices.

To make the right choice, measure the size of the original battery in mm and compare it with the technical specifications. If necessary, contact us—we’ll help you find the right option for your device.

Instructions for Use

Charge the battery using a high-quality lithium-ion battery charger before using it for the first time.
Do not use in high temperatures or humid environments.
Operating temperature during charging: 0°C to 45°C; during discharging: -20°C to 75°C.
Storage temperature: -5°C to 35°C.
Do not throw it into fire or water.
Do not crush or strike the battery.
Do not disassemble.
Keep out of reach of children.
The battery may be hot after use—handle with care.
If not used for more than 3 months, charge it before use.

Safety Rules

Do not modify, disassemble, puncture, or cut the battery.
Do not short-circuit the system.
Do not expose to water, fire, or high temperatures.
Do not use in defective devices.
Do not overcharge or undercharge the battery. Do not charge the battery at sub-zero temperatures.
Do not use the battery if the protective film is damaged.
Do not store in a pocket or purse—use a protective case.

Frequently Asked Questions

What is the difference between a battery with protection and one without?

Protected batteries have a small built-in circuit board that protects against overcharging, over-discharging, and excessive current. In a critical situation, it automatically shuts down the battery. Unprotected batteries, such as the Vapcell D2152, do not have such a circuit board and are suitable for devices designed for standard-size batteries. They are slightly more compact and can deliver a higher current, making them the preferred choice for certain flashlights and devices.

What types of flashlights is the Vapcell D2152 battery suitable for?

The Vapcell D2152 is an unprotected battery with a flat positive terminal. It is suitable for flashlights designed specifically for unprotected batteries—for example, Zebralight and Dulotec models. It is not recommended for flashlights that require batteries with a raised positive terminal or built-in protection. To ensure compatibility, check the dimensions and requirements of your flashlight.

What are the dimensions of the Vapcell D2152 battery?

The Vapcell D2152 battery is a 21700-type battery with a height of 71 mm and a diameter of 21.6 mm. It weighs 70 grams. These dimensions correspond to the standard 21700 format without an added protection circuit, making it slightly more compact than the protected versions.

What kind of charger should I use to charge the Vapcell D2152 battery?

The battery must be charged using a high-quality charger designed for lithium-ion batteries. The normal charging current is 2000 mA, and fast charging is at 2500 mA. It is important that the charger supports the 21700 format and does not exceed the recommended currents. Do not charge at sub-zero temperatures.

At what temperatures can I use and store the battery?

The Vapcell D2152 battery can be charged at temperatures ranging from 0°C to 45°C. Discharging is permitted within the range of -20°C to 75°C. A storage temperature between -5°C and 35°C is recommended. Avoid exposure to high humidity or direct heat.

How do I store the battery safely?

The battery must be stored in a protective case—never in a pocket or bag, where it could come into contact with metal objects and cause a short circuit. Keep it away from children, moisture, fire, and direct sunlight. If the battery has not been used for more than 3 months, charge it before use.

How can I tell which battery is right for my flashlight?

The easiest way is to measure the dimensions of the original battery in millimeters and compare them to the technical specifications of the new battery. Note whether the flashlight requires a battery with or without protection, and whether the positive terminal should be flat or raised. If in doubt, contact the Dulotec.COM team—they’ll help you choose the right option.

Weight

0,04 kg

Dimensions

2,0000 cm