Vapcell K52 26650 5200mAh 15A Rechargeable Li-ion Battery

High-Capacity 26650 Power for Flashlights, EDC & High-Drain Devices

The Vapcell K52 26650 5200mAh 15A Rechargeable Lithium-Ion Battery delivers an excellent combination of high capacity, dependable power, and long runtime for compatible high-drain devices.

Built with INR lithium-ion chemistry, the K52 provides a substantial 5200mAh typical capacity and a 15A maximum continuous discharge rating, making it an excellent choice for high-performance flashlights and other devices designed for 26650 cells.

With a 3.60V nominal voltage, 4.20V charge voltage, and 2.5V end-of-discharge voltage, the K52 is engineered for rechargeable applications where dependable performance and substantial energy capacity matter.

Key Features

• 5200mAh Typical Capacity – Extended runtime for compatible devices
• 15A Maximum Continuous Discharge – Suitable for many high-drain applications
• 26650 Battery Format – Larger capacity than common 18650 cells
• INR Lithium-Ion Chemistry – Designed for a balance of capacity and power
• 3.60V Nominal Voltage
• 4.20V Maximum Charge Voltage
• 2.5V End-of-Discharge Voltage
• Approximately 19mΩ Internal Resistance
• Approximately 98g Weight
• Available in flat-top and button-top configurations depending on the version purchased.

High Capacity Meets Reliable Power

The K52 is designed for users who need more runtime without moving to an excessively high-discharge cell. Its 5200mAh capacity provides substantial energy storage, while the 15A continuous discharge capability gives compatible high-performance devices the current they need.

Whether you're powering a powerful flashlight, building a battery pack, or replacing an existing 26650 cell, the K52 offers a strong balance between capacity and discharge performance.

Charging Specifications

The Vapcell K52 supports:

• Standard charge current: 2000mA
• Quick charge current: 4000mA
• Charge termination: CCCV with 100mA cutoff
• Maximum charge voltage: 4.20V

For best results and safe operation, always use a quality charger specifically designed for rechargeable lithium-ion batteries.

Technical Specifications

Specifications are based on Vapcell's published K52 specifications.

Important Battery Safety

This is a high-capacity lithium-ion battery and must be handled properly.

• Use only with devices specifically designed for 26650 batteries.
• Use a compatible lithium-ion charger.
• Do not short-circuit, puncture, crush, or disassemble the battery.
• Do not use if the wrapper or cell is damaged.
• Do not mix different battery types, brands, capacities, or charge levels.
• Verify whether your device requires a flat-top or button-top cell before ordering.
• The K52 cell itself is not a substitute for a protected battery unless the specific version purchased includes appropriate protection circuitry.

Ideal For

• High-performance flashlights
• 26650-powered EDC lights
• Outdoor and camping equipment
• Emergency lighting
• High-drain electronics
• Battery packs
• Other compatible 26650 applications

*** WARNING ***

All users must have appropriate understanding of lithium-ion batteries before purchase. Use caution when working with and using lithium-ion batteries as they are very sensitive to charging characteristics and may explode, burn, or cause a fire if misused or mishandled. Always charge in or on a fire-proof surface. Never leave batteries charging unattended. Buyer is responsible for any damage or injury caused by misuse or mishandling lithium-ion batteries and chargers. No express or implied guarantee of compatibility with any device can be made. Charge only with a smart charger designed for this specific type of lithium-ion battery. Do not mix and match old and new, used and unused batteries.

• DO NOT USE WITH E-CIGARETTE, VAPORIZER, OR SIMILAR DEVICE
• MISUSING OR MISHANDLING LITHIUM-ION BATTERIES CAN POSE A SERIOUS RISK OF PERSONAL INJURY, PROPERTY DAMAGE, OR DEATH
• BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED
• ONLY USE WITH PROPER CIRCUITRY IN A PROTECTED BATTERY PACK
• ONLY USE WITHIN MANUFACTURER LISTED SPECIFICATIONS
• DO NOT STORE LOOSE BATTERY IN A POCKET, PURSE ETC. - ALWAYS USE A PROTECTIVE CASE OR BOX
• KEEP AWAY from metal objects to prevent short circuiting
• DO NOT short circuit
• DO NOT use if wrapper or insulator is damaged or torn
• DO NOT use if damaged in any way
• DO NOT overcharge or over-discharge
• DO NOT modify, disassemble, puncture, cut, crush, or incinerate
• DO NOT expose to liquids or high temperatures
• DO NOT solder, spot weld only
• User must be familiar with handling lithium-ion batteries before purchase
• Usage of batteries is AT YOUR OWN RISK
• ALWAYS charge in or on a fire-proof surface and never leave charging batteries unattended.