Weltool 18650 2600mAh Rechargeable Lithium Ion Battery 3.7V Li-ion INR18-26 Cylindrical Flat Top Batteries

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Feature

FLAT TOP 18650 Battery, good manufactured by certificated factory. Have passed the test of UL CE RoHS. 30 Days Free Returned & Refund, 18 Months Warranty
Real discharge capacity 2600mAh enough for the daily use. (The 2C Max Discharge Current. Internal resistance: 60m (AC Impedence, 1000Hz)
Battery Dimensions: Diameter: 0.74in (18.4 mm), Length: 2.56in (65.1 mm). Standard 18650 Size.
3.7V 18650 Battery fit for any flashlights, headlight, headlamp, bike light, camera, watches and many other electronic devices.( Make sure there are the protruded contact point in the polarities of your devices.)
It suggests to use a Quality Charger to charge. ATTENTION: It won't fit the devices which use 2 batteries tandem.

Description

Specification :
Manufacturer model: FST 18650-2600mAh
Nominal capacity: [email protected]
Nominal voltage: 3.6V / 4.2V
Energy density: 540Wh / L 191Wh / Kg
Charging voltage: 4.20 0.05 V
Discharge termination voltage: 2.75 0.05 V
Standard charging current: 0.5C (1300 mA)
Standard discharge current: 0.5C (1300 mA)
Maximum charge current: 1C (T10 )
Maximum discharge current: 2C (T0 )
Recommended temperature: when charging: 0 ~ 45 discharge: -20 ~ 60
Internal resistance: 60 m
Cell Size: Height: 65.1 mm Diameter: 18.4 mm
Weight: 49g
Cycle Life : Residual capaciry Nominal capaciry*80%, Measured the initial condition and
initial capaciry of battery, then conduct 0.5C5A/0.5C5A 300th cycle measured the final
condition of battery.

Warning and cautions :
Don't immerse the cell in water
Don't use and leave the cell near a heat source such as fire or heater
When charging, use a cell charger specifically for that purpose
Don't reverse the positive and negative terminals
Don't connect the positive and negative terminal directly with metal objets
Don't pierce the cell with a nail or other sharp object
Don't diamantle or modify the battery