Rechargeable 18650 Li-ion Battery CSL-Computer 2850mAh INR18650-M29

Rechargeable 18650 Li-ion Battery CSL-Computer 2850mAh INR18650-M29 is a single-format cylindrical lithium-ion cell designed to deliver a balance of capacity and discharge performance for devices that accept 18650 cells. With a nominal capacity of 2850mAh, this cell is intended for use in flashlights, power banks, electronic cigarettes and custom battery assemblies. The cell requires compatible chargers and, when used in multi-cell packs, appropriate protection and balancing circuits to ensure safe operation.

Advantages

This CSL-Computer 18650 Li-ion cell offers a relatively high energy density in the 18650 format, providing extended runtime compared with lower-capacity alternatives. The cell is rechargeable, enabling repeated use and cost-effective energy storage. Its standardized cylindrical shape and dimensions make it suitable for many devices and DIY battery projects that accept 18650 cells. When combined with proper charger and protection electronics, the cell supports dependable power delivery for portable equipment.

Suitable for

• Handheld and tactical flashlights that accept 18650 cells
• Portable power banks and external battery packs (with appropriate battery management)
• Electronic cigarettes and vaporizers specified for 18650 cells
• DIY battery assemblies and custom multi-cell packs with protection circuits

Key specifications

• Cell type: Lithium-ion (Li-ion), cylindrical 18650 format
• Nominal capacity: 2850 mAh
• Chemistry: INR (lithium nickel manganese cobalt oxide blend)
• Nominal voltage: 3.6–3.7 V (typical for INR cells)
• Rechargeable: yes

How to use

Use this CSL-Computer 18650 Li-ion cell only in devices and assemblies designed for 18650-format cells. Charge the cell with a compatible Li-ion charger that supports cell balancing when charging multiple cells together. Observe correct polarity when inserting the cell into equipment or holders. When building multi-cell packs, include proper protection circuitry (overcharge, over-discharge, overcurrent and balancing) and follow manufacturer guidance for series/parallel configurations.

Usage recommendations

Store and transport the cell in a cool, dry place and avoid exposure to high temperatures. Do not use damaged or swollen cells. Always follow safety instructions for lithium-ion batteries: use appropriate chargers, do not short-circuit the terminals, and recycle or dispose of cells according to local regulations.