SAMSUNG 40T 21700 4000mAh Battery - Vapolino UK

This is a 21700 size cell. 

It is recommended to fully charge cells before first use and using a dedicated battery charger rated for lithium-ion cells. Our selection can be found here. 

Specifications: 

• Model: 40T
• Manufacturer: Samsung 
• Country of Origin: South Korea
• Chemistry: INR (Hybrid)
• Max. continuous discharge current: 25A (35A Temp Limited) - Rated by Mooch 
• Nominal capacity: 3950 mAh
• Nominal voltage: 3.6 V
• Discharge end voltage: 2.5 V
• Charging voltage: 4.20 +/- 0.05 V
• Standard charging current: 1.5 A
• Protection: Not Protected (Flat-Top) 
• Size: 21700

Safety, storage and disposal 

Lithium ion (Li-Ion) Cells can be very dangerous if used improperly. 

• For extra safety always use a battery charger that is rated for Li-ion cells 
• Do not leave batteries unattended while charging them 
• Batteries should never be loose in pocket or bag (use case provided) 
• All lithium batteries have a cycle-life, for best performance, a battery should be replaced every 2 years 
• Never continue to use a battery with a broken PVC wrap. 
• Never completely discharge batteries 
• Do not expose a battery to extreme heat