Description

Ansmann Li-Ion Battery 21700 – 5000 mAh with USB-C Charging

The Ansmann Li-Ion 21700 battery combines high capacity, integrated USB-C charging, and advanced protection for reliable use in demanding devices. With 5000 mAh capacity, this rechargeable cell is ideal for high-drain equipment like LED torches, headlamps, laser pens, and e-cigarettes.

Equipped with an integrated safety circuit, it is protected against overload, short circuit, and deep discharge—ensuring long service life and safe handling. A built-in charge status LED shows red while charging and green when fully charged.

Key Features

• USB-C charging: charge directly via standard USB-C cable (PC, power bank, or USB power supply).
• High energy density: Li-Ion technology provides about twice the energy of conventional NiMH cells.
• Durability: up to 2000 recharge cycles, even in tough conditions.
• Protection circuit: prevents overload, short circuit, and deep discharge.
• Charge indicator LED: red (charging) → green (fully charged).
• Wide temperature range: functional from -20°C to +60°C.
• Lightweight, low self-discharge, long storage life.

Technical Data

• Cell size: 21700
• Chemistry: Lithium-ion
• Nominal voltage: 3.6 V
• Capacity: 5000 mAh
• Energy: 18 Wh
• Cycle life: up to 2000 charges
• Operating temperature: -20°C to +60°C
• Storage temperature: -10°C to +25°C
• Color: Purple / White
• Packaging: Cardboard box
• Contents: 1x rechargeable 21700 Li-Ion battery (5000 mAh)

Note: Due to integrated safety board, battery length is approx. 3–4 mm longer than standard unprotected 21700 cells.

Applications

Designed for modern high-power devices, including:

• LED flashlights and headlamps
• E-cigarettes and vape devices
• Laser pens
• Other portable electronics requiring stable, high-capacity power

Product Safety

Always use compatible chargers and follow safe handling procedures for Li-Ion batteries.

Manufacturer

ANSMANN AG
Industriestr. 10
97959 Assamstadt, Baden-Württemberg, Germany
Tel.: +49 (0)6294 4204-0
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.