I take a look at the premium 14500 cells from Olight. These protected cells offer over discharge/charge protection and a relatively high capacity for a 14500 battery. I test the cells to see if they match up to the claims

Sample supplied by Olight for unbiased review

Details from the maker:
Features:
- Built-in protection circuit, guards against - Over-charge, Over-discharge and Over-current
- High Performance IC from Japan
- Improved voltage stability due to low internal resistance
- PET sheath, environmentally friendly and not easy to crack

Specification:
Voltage : 3.7v (4.2v when fully charged)
Capacity : 650mAh (discharged at 0.2C)
Size : 14mm x 50.5mm (+/-0.2mm)
Current Over-flow protection : 10A
Weight 28g

Limited Warranty From Olight
Free Repair Service
Cost of parts and shipping fee will be charged
Notify us before return or repair

Package includes (with original packaging)
Olight 14500 750mAh Li-ion Protected Rechargeable 3.7v battery x2
Warning
*store 14500 away from water source or fire
*store 14500 away from direct sunlight
*store 14500 out of the reach of children
*storage temperature of 14500 is optimal between 40-80 degree F
*store 14500 separately from anything hazardous such as explosives combustibles , or any other highly flammable material

Package includes:
Olight 14500 750mAh 3.7V 2.8Wh battery x 2

Warnings:
*Battery may explode or leak if disassembled or dropped into fire.
*Do not expose to extreme heat or water.
*Fully charge before first use.

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