Battery Details:

Item:PARASONIC Cordless Telephone Battery 
Model No.:18500-2S
Nominal Voltage:7.4V
Nominal Capacity:1400mah
Charge Current:0.5C
Discharge Current:1C
Discharge Tempreture: -20°C ~ 60°C
Charge Tempreture: 0°C ~ 45°C
Storage Tempreture:-20°C ~ 35°C
Size:19.0 (T) x 37(W) x 50(H)mm
Over Charge Voltage:8.4V±0.05
Over Discharge Voltage:6.0V±0.1
Feature:High capacity,long working time and life
Supply Stye:OEM/ODM
Use:Medical Device,LED light,Electronic Toys,Wireless equipment,etc.
Warranty Time:one year

Lithium Ion Battey: 

Feature:Lithium Ion is the newest rechargeable battery chemistry that exists today. Lithium Ion rechargeable batteries can be just as high in capacity as NiMH batteries, but to date, are only available for laptop and cellular telephones. Lithium Ion batteries are smaller and lighter in weight than NiMH batteries. They are memory-free as well
Use:Flashlight,Medical Device,LED light,Electronic Toys,Wireless equipment,etc.

Advantage:

1.Long cycle life over 800 times.
2.Competitive price and good quality.
3.Fast delivery and quick response.
4.Certification:CE/CCC/UL/RoHS

Warning:
1).Do not disassemble,dispose in fire,heat or shoet circuit.
2).Do not insert batteries with the(+)and(-)reversed.
3).Do not mix fresh batteries with used batteries.
4).Do not submerge the battery in water.