Samsung 40T 21700 battery


Samsung 40T 21700 battery. 4000mah capacity, 30 amp discharge rating. We highly recommend using an external charger for these batterys.

46 in stock

SKU: B-Samsung-40T-21700 Categories: , , , Tags: , ,


Samsung 40T 21700 battery.

Manufacturer Samsung SDI
Country of Manufacture South Korea
Model 40T
Capacity 4000mAh (4.0Ah)
Maximum Continuous Discharge 30A
Nominal Voltage 3.6V/3.7V
Fully Charged Voltage 4.2V
Size 21700 (21mm x 70mm)
Terminal Flat-Top
Protection Unprotected


Samsung 40T 21700 battery.Lithium batteries can be dangerous if mistreated or mis-used.

Always use a case for safe storage when not in use. Never in your pocket, purse etc. Keep away from keys, coins and small metallic objects.

Batteries should never be charged in a mod. It’s good practice to charge batteries on an external charger that is correctly rated for Li-Ion cells.

Find Chargers Here.

Never leave them charging unattended and they should be removed when fully charged.

Batteries should be periodically inspected for tears and rips. Never use a batteries with a damaged PVC wrap, either recycle the cell or repair immediately.

Do not over-stress these batteries. Batteries should be suitable for the application (correct size, amp draw etc).

The user assumes all associated risks.

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