Brand new Samsung cells. This powerful Samsung battery has a flat top positive pole and has no integrated protection electronics/protective circuit. The batteries have a low internal resistance and an extra high capacity. This makes them ideal for e-shishas, e-cigarettes, e-bikes, pedelec, tool batteries, torches, power banks, RC model making and power tools. The Samsung INR21700-40T battery is a Li-ion battery, which is considered thermally stable and subject to only a low memory effect. Technical data: Capacity typical: 4000 mAh Minimum capacity: 3900 mAh. Voltage: 3.6 - 3.7 V Maximum discharge current for a short time: 70A (pulse) Maximum constant discharge current: 45A (constant shutdown at 80 degrees). Maximum discharge current constant: 35 A (without switch-off). Charging method: CC-CV Protection circuit: none Positive pole design: flat Manufacturer: Samsung Diameter: 21.15 mm ± 0.1 mm. Height: 70.15 mm ± 0.2 mm. Weight: 70 g. Charging closing voltage: 4.1 - 4.2 V. Discharge voltage: 2.50 V. Safety instructions for lithium cells. This is a lithium cell that can only be operated with protective electronics. Please note that lithium cells can only be used by authorised professionals. If used incorrectly, this can lead to fire development or explosion.
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