One of the top performing batteries, the Samsung 40T is an amazing battery which outperforms all 18650 and 20700 batteries as of August 2018 and performs closely to the Samsung 30T in terms of overall power, while offering a superior 4000mAh of capacity.
What to learn more about the performance of the Samsung 40T 21700 battery, Checkout Mooch's testing.
Note: Price is per piece
Style: Flat Top
Nominal Capacity: 4000mAh
Continuous Discharge Rating: 30A
Nominal Voltage: 3.6v
Approximate Dimensions: 21.1mm x 70.4mm
Approximate Weight: 66.8g
You must have an appropriate understanding of lithium-ion batteries before purchasing. Use caution when working with and using lithium-ion batteries as they may explode, burn, cause a fire or worse if misused or mishandled. Never leave batteries charging unattended. BlueVape is not responsible for any damage or injury caused by misuse or mishandling lithium-ion batteries and chargers. No express or implied guarantee of compatibility with any device can be made. Charge only with a smart charger designed for this specific type of lithium-ion battery. State regulations and laws pertaining to the recycling and disposal of lithium-ion batteries vary so please check with your local council. Do not mix and match old and new, used and unused batteries.
Always charge on a stable fire-proof surface
Avoid bringing batteries into contact with other batteries or mix with metal objects.
Do not use if battery releases an odour, generates heat, becomes discoloured or disfigured
Discontinue use immediately if battery wrapper or insulator is damaged, torn or damaged in any way.
Do not short-circuit the battery by connecting wires or other metal objects to the positive (+) and negative (-) terminals, or reverse the positive (+) and negative (-) terminals.
Do not overcharge or discharge
Do not tamper with the battery
Store batteries at room temperature
Remove the battery from e-cig if you plan long-term storage.