The INR18650-20S is the successor cell to the INR18650-20R. Samsung’s new development for the power tool sector that is known by freelance testers and bloggers. The cell particularly shines in the voltage curve.
The voltage level of this cell under the load of 30A is excellent compared to many high-current cells.
The high-current cell can be loaded with a discharge current up to a maximum of 30A without temperature monitoring.
Designed for mobile applications such as power tools (impact wrenches, impact hammers, circular saws, etc.).
Best suited for very high load in applications like: Battery carriers, model making.
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SAMSUNG-INR18650-20S data sheet.pdf (Preliminary data sheet)
Lithium cells may only be operated with protective electronics!
Please note that lithium cells may only be used by authorised personnel.
Incorrect handling or short-circuiting may result in fire or explosion.
Lithium-ion batteries are thermally stable and are not subject to any memory effect.
They work on the basis of lithium and are characterised by a high energy density.
1x Battery Samsung INR18650-20S Lithium-ion battery.
Technical Data
| Capacity | 2000mAh |
| Minimum capacity | 1950mAh |
| Rated voltage | 3.6V – 3.7V |
| Charging end voltage | 4,2V |
| Discharge voltage | 2,5V |
| Discharge current (with temperature monitoring) | 40A |
| Discharge current (without temperature monitoring) | 30A |
| Protection electronics BMS | none |
| Positive pole | flat (Flat Top) |
| Diameter | 18.23 mm ± 0.25 mm |
| Height | 64.8 mm ± 0.2 mm |
| Weight | 48g ± 1 g |
| Charging method | CC-CV |
| Charging current Normal | 0.xx – 2A |
| max. charging current | 4A |
| Battery-friendly charging current | 0.xx – 1A |
| Operating temperature charging | 0 °C – 50 °C |
| Operating temperature discharging | -20 °C – 80 °C |
Notes:
A special charger is required for charging lithium ion batteries, which charges the batteries according to a special charging procedure. (CCCV = constant current, constant voltage.) The batteries must not be charged above a voltage of 4.2 volts, otherwise there is a risk of fire and explosion. It is advantageous to charge the batteries only up to approx. 4.1 volts, as this significantly increases the service life or the number of charging cycles (possibly up to double). Only lithium ion chargers may be used for charging. However, the cheap chargers sometimes have the disadvantage that they do not switch off safely at the end of the charging process, but continue to charge the batteries with a small charging current, which can be dangerous.
Furthermore, rechargeable batteries and batteries do not belong in household waste! Please dispose of them as prescribed by law at the municipal collection points or in the [usually green] containers provided by retailers.
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