26650 Li-Ion battery, commonly used in LED torches.

ICR26650
Nominal Capacity:5000mAh
Nominal Voltage:3.7V
Type:Li-Ion
Application:flashlight,power bank,detector,printer,etc.
Certificate:CE/RoHS/UN38.3/MSDS
Warranty:12 Months
Cycle life:500-1000 Times
Color:Blue
Battery type:Lithium Iron Battery Cell
Voltage:3.7v~ 4.2v
Capacity:5000 MAh
If OEM:YES
Payment:Credit Card.Paypal.TT.Escrow.Western Union
Size:26*65mm