Combo: 4 PCS Tenergy Li-Ion 18650 Cylindrical 3.7V 2600mAh Rechargeable Batteries w/ PCB (Button Top)

This Combo Includes:

• 4 x Tenergy Li-Ion 18650 Cylindrical 3.7V 2600mAh ( Button Top ) Rechargeable Batteries w/ PCB

The Recommended Battery For Premium Flashlights, Lighting, & Other Devices

Tenergy 18650 Li-Ion batteries, often used for Premium Flashlights, offers a more energy efficient solution that extends run-time & maintains high light output. The "Button Top" ensures proper contact & compatibility with more Flashlight models when compared to other "Flat Top" Li-Ion varities.

With one of the lowest prices, battery longevity, & high number of charge cycles this is truly a high valued buy.

Tenergy 18650 Li-Ion Battery Features and Benefits

• Li-Ion 18650 cylindrical rechargeable batteries with Internal Voltage protection PCB!
• Internal PCB protection (patent pending design) prevents under-voltage at 2.5V and over-voltage at 4.25V.
• 2600mAh high capacity for longer runtime
• Li-Ion offers higher energy density & lower weight than other rechargeable batteries
• Manufactured under ISO9001-2000 to assure quality
• Battery tested based on International Electrotechnical Commission (IEC) standard to ensure capacity, quality and lifetime   

Applications:

• Flashlights
• Lighting or other device that needs 3.7V power
• Building portable power device needing high energy density and low weight
• & More!

Battery Specifications:

• Capacity: Nominal 2600 mAh - Minimum 2500 mAh
• Dimensions: 69.5mm (H) x 19mm (D)
• Weight: 50 g
• Nominal Voltage: Average 3.7V
• Discharge Voltage: 3.0V
• Cycle Life: Over 500 cycles
• Cycle Performance: 90% of initial capacity at 400 cycles

For even more detailed technical specifications on Battery & PCB: See Datasheet Here

Warning

• CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.
• User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging, and assembly before use.
• Put the batteries in fire-proof container
• Do not put batteries on wood surface or carpet when charging
• Never leave battery un-attended when charging
• We are not responsible for damage of any modification of the batteries in form, shape or made into packs
• We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries