Samsung - 40T 21700 4000mah Battery

• Brand: Samsung
• Model: 40T
• Size: 21700
• Nominal Capacity: 4000mAh
• Nominal Voltage: 3.6V
• Maximum Voltage: 4.2V
• Discharge Current: 30A Maximum Continuous
• Style: Flat Top
• Protected: NO, UNPROTECTED
• Approximate Dimensions: 21.1mm x 70.4mm
• Approximate Weight: 66.8g

PLEASE EDUCATE YOURSELF ABOUT BATTERIES BEFORE USING THEM

• Do not use a battery beyond its amperage limit

• Do not use a damaged or scratched battery

• Do not mix batteries with metal stuff together

• Do not put a battery directly in the pocket

• Do not use  batteries with defective E-cig mod

• Always turn off your E-cig mod before storing it

• Use only a suitable external battery charger

• NEVER leave batteries unattended when charging

• Do not charge over 4.2V

• Do not discharge below 2.5V

• Do not change polarity

• Do not heat the battery, or store under the influence of high temperatures

• Do never shortcut

• Make sure they do not come in contact with water

• After long storage times need the cell probably make a few charge cycles to increase capacity again

• Protect unused batteries wherever they are stored with a suitable cover or case

• Do not mix fresh batteries with used batteries