21700 Samsung 50S INR21700
| Model No. | INR21700-50S |
| Standard discharge capacity | Typical: 5000mAh |
| Charge: 0.5C(2.5A), 4.20V, 0.05C(250mA) cut-off @RT | |
| Discharge: 0.2C(1A), 2.5V cut-off @RT | |
| 1C=5000mA | |
| Rated discharge capacity | Min. 4800mAh |
| Charge: 1.2C(6A), 4.20V, 0.02C(100mA) cut-off @RT | |
| Discharge:10A, 2.5V cut-off @RT | |
| Nominal voltage | 3.6V |
| Standard charge | CCCV, 2.5A, 4.20V, 250mA cut-off |
| Rated charge | CCCV, 6A, 4.20V, 100mA cut-off |
| Charge time | Standard charge: 150min / 250mA cut-off @RT |
| Rated charge: 100min / 100mA cut-off @RT | |
| Max. continuous discharge | 25A (without temperature cut) |
| 45A with 80℃ temperature cut | |
| Max. charge current | 10A for step charge |
| 6A for continuous charge | |
| Discharge cut-off voltage | 2.5V end of discharge |
| Cycle life | Capacity ≥ 2940mAh @ after 250 cycles |
| 60% of the standard capacity @RT | |
| Charge: 6A, 4.20V, CCCV 100Ma cut-off @RT | |
| Discharge: 25A, 2.5V cut-off @RT | |
| Capacity ≥ 2940mAh @ after 100 cycles | |
| 60% of the standard capacity @RT | |
| Charge: 6A, 4.20V, CCCV 100mA cut-off @ RT | |
| Discharge: 45A, 2.5V cut-off | |
| (80℃ cut-off, re-discharge release < 50℃) @ RT | |
| Retention characteristics | Capacity recovery after the storage ≥4320mAh |
| 90% of the rated capacity @RT | |
| Charge: 6A, 4.20V, CCCV 100mA cut-off @RT | |
| Storage: 30 days @60℃ | |
| Discharge: 10A, 2.5V cut-off @RT | |
| Ambient Temperature | Charge: 0 to 45℃ |
| Discharge: -20 to 60℃ | |
| Operating temperature | Charge: 0 to 60℃ |
| (recommended recharge release < 45℃) | |
| Discharge: -20 to 80℃ | |
| (must re-discharge release < 60℃) | |
| Operating temperature (For safety certificate) | Charge: -10 to 60℃ |
| Recovery 90% after storage | 1 year 0~25℃ |
| 3 months 0~45℃ | |
| 1 month 0~60℃ | |
| Cell weight | 72.0g Max. |
| Cell dimension | Height: Max.70.62mm |
| Diameter: Max. 21.25mm |
| Related Models | Reference |
| INR21700-40T | Samsung 40T 21700 Battery |
| INR21700-50S | 21700 Samsung 50S |
The 21700 Samsung 50S INR21700 cell stands as a premier solution for demanding applications, expertly balancing a significant energy capacity with a robust high-discharge rate. This lithium-ion cell, manufactured by Samsung SDI, has become a benchmark in the industry for its unparalleled combination of performance metrics. Specifically, the Samsung 50S 21700 battery boasts a substantial nominal capacity of 5000mAh, ensuring extended operational duration for high-power devices, thereby reducing the need for frequent recharges.
Its key technical advantage lies in its powerful discharge capability, with a maximum continuous discharge rating (CDR) typically listed at 25A, and a burst capability of up to 45A under a temperature cutoff. This makes the Samsung INR21700-50S an exceptional choice for integration into sophisticated battery packs and power systems. Common applications that benefit from the cell's power and endurance include electric vehicles (EVs) and e-bikes, high-drain power tools, drones and RC vehicles, and custom-built energy storage systems (ESS).
Engineers and high-power enthusiasts recognize the Samsung 50S INR21700 for its consistent performance and reliability. Its 21700 form factor, referring to its 21mm diameter and 70mm length, offers a superior energy density compared to the older 18650 format. It is important to note that the cell is sold as an unprotected, flat-top design and is specifically intended for use within protected battery packs that incorporate a Battery Management System (BMS) or Protection Circuit Board (PCB) to ensure safe and reliable operation. This high-performance cell remains a top contender for any project requiring the synergy of long runtime and strong power delivery.
Its key technical advantage lies in its powerful discharge capability, with a maximum continuous discharge rating (CDR) typically listed at 25A, and a burst capability of up to 45A under a temperature cutoff. This makes the Samsung INR21700-50S an exceptional choice for integration into sophisticated battery packs and power systems. Common applications that benefit from the cell's power and endurance include electric vehicles (EVs) and e-bikes, high-drain power tools, drones and RC vehicles, and custom-built energy storage systems (ESS).
Engineers and high-power enthusiasts recognize the Samsung 50S INR21700 for its consistent performance and reliability. Its 21700 form factor, referring to its 21mm diameter and 70mm length, offers a superior energy density compared to the older 18650 format. It is important to note that the cell is sold as an unprotected, flat-top design and is specifically intended for use within protected battery packs that incorporate a Battery Management System (BMS) or Protection Circuit Board (PCB) to ensure safe and reliable operation. This high-performance cell remains a top contender for any project requiring the synergy of long runtime and strong power delivery.
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