Engineered for long-term cyclic usage, the INR21700-53G1 retains over 80% of initial capacity after 1000 charge-discharge cycles under standard test conditions. It boasts a wide operating temperature window: charging available from 0℃ to 50℃, while discharge works stably between -30℃ and 60℃. With strict factory sorting by OCV and IR value, the cell minimizes voltage imbalance when assembled into battery packs, ideal for long-cycle equipment such as e-bikes and solar energy storage systems.
1.Basic Parameters
| Battery Model | INR21700-53G1 |
| Battery Type | 21700 Cylindrical Cell |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 5300mAh |
| Working Voltage | 2.5V-4.2V |
| Max Charge Current | 1C |
| Max Discharge Current | 2C |
| Peak Discharge Current | 3C |
| Internal Resistance | <13mΩ |
| Charge Temperature | 0-50℃ |
| Discharge Temperature | -30-60℃ |
| Storage Temperature | -20-40℃ |
| Cycle Life | ≥1000 cycles |
| Battery Size | φ21*70mm |
| Battery Weight | 70.5g |
| Warranty | 2 Years |
Higher energy density
The 21700 cell offers greater capacity (typically 4000–5000 mAh) than the older 18650 cell, without a significant increase in size.
Improved power output
It supports higher continuous discharge currents, making it suitable for high-drain applications like e-bikes, power tools, and EVs.
Better thermal management
The larger cylindrical format allows for more efficient heat dissipation, enhancing safety and cycle life compared to smaller cells.
Cost-effective performance
Fewer cells are required to achieve the same pack capacity (e.g., replacing 3-4 18650 cells with 2-3 21700 cells), reducing assembly complexity and overall system cost.
What 21700 cells does NOGIPower supply?
| Manufacturer Model | Material | Voltage | Capacity | Brand | Cycles life | Peak discharge Rate |
| INR21700/40P | NMC | 3.7V | 4000mAh | EVE | ≥600 Cycles | 12.5C |
| INR21700/40PL | NMC | 3.7V | 4000mAh | ≥600 Cycles | 22.5C | |
| INR21700/50E | NMC | 3.7V | 5000mAh | ≥1000 Cycles | 5C | |
| 21700/50PL | NMC | 3.7V | 5000mAh | ≥1000 Cycles | 36C | |
| INR21700/58E | NMC | 3.7V | 5700mAh | ≥1000 Cycles | 5C | |
| INR21700-30T | NMC | 3.7V | 3000mAh | SAMSUNG | ≥500 Cycles | 11C |
| INR21700-40T | NMC | 3.7V | 4000mAh | ≥500 Cycles | 11.25C | |
| INR21700-50E | NMC | 3.7V | 5000mAh | ≥1000 Cycles | 3C | |
| INR21700-50GB | NMC | 3.7V | 5000mAh | ≥1000 Cycles | 3C | |
| INR21700-50S | NMC | 3.7V | 5000mAh | ≥500 Cycles | 8C | |
| INR21700-53G1 | NMC | 3.7V | 5300mAh | ≥1000 Cycles | 3C | |
| INR21700-45E | NMC | 3.7V | 4500mAh | DMEGC | ≥1000 Cycles | 4C |
| INR21700-50E | NMC | 3.7V | 5000mAh | ≥1000 Cycles | 4C | |
| 2170 (JP40) | NMC | 3.7V | 4000mAh | Ampace | ≥600 Cycles | 35C |
| INR-21700-P42A | NMC | 3.7V | 4200mAh | Molicel | ≥500 Cycles | 10.5C |
| INR‑21700‑P45B | NMC | 3.7V | 4500mAh | ≥500 Cycles | 10C | |
| INR‑21700‑P50B | NMC | 3.7V | 5000mAh | ≥500 Cycles | 12C | |
| ND21700-4000mAh-3C | NMC | 3.7V | 4000mAh | NORDA | ≥800 Cycles | 4C |
| ND21700-40H | NMC | 3.7V | 4000mAh | ≥300 Cycles | 10C | |
| ND21700-4500mAh-3C | NMC | 3.7V | 4500mAh | ≥800 Cycles | 4C | |
| ND21700-5000mAh | NMC | 3.7V | 5000mAh | ≥500 Cycles | 3C |


A: Our batteries are certified with UN38.3, CE, FCC, RoHS, IEC62133, UL and other regional certifications as required.
A: Yes, we can provide full documentation including MSDS, UN38.3 test report, cargo transport assessment report, and certification files.
A: No strict MOQ requirement. Small samples are available for testing.
A: Yes, FOB/CIF/DAP/DDP are all available for most countries. DDP (door to door and duty paid) is preferred by a larger number of customers.
A: Yes, battery pack/OEM/ODM available.
Q: What are the main technical advantages of the Samsung INR21700-53G1 battery cell?
Our Samsung 21700 battery offers a high capacity of 5300mAh and a nominal voltage of 3.63V, with continuous 2C discharge and low internal resistance (~13mΩ). This ensures stable power output, efficient operation, and over 1000 cycles with ≥80% capacity retention, ideal for demanding industrial uses.
Q: Can you provide OEM or customization services for 21700 lithium batteries?
Yes, we offer comprehensive OEM and ODM services, including customized battery pack assembly using the 21700 battery cell. Whether you need semi-finished modules or finished battery packs, we tailor solutions to meet your specifications and application requirements.
Q: How do you ensure safety and quality compliance for your lithium battery cells?
We supply Samsung 21700 battery cells that strictly comply with international certifications such as UN38.3, CE, UL, and RoHS. Our quality control includes factory sorting by open circuit voltage and internal resistance to minimize pack imbalance and maintain long-term safety and reliability.
Q: What support do you provide for logistics and ordering?
We accept small sample orders for testing and industrial batch requests without rigid minimum quantities. Our logistics team ensures proper packaging and shipping compliance to deliver the lithium battery supplier products safely and efficiently worldwide. Contact us for detailed shipping and availability information.
5.Who We are?
NOGIPower focus on high-performance lithium battery solutions.We have established long-term in-depth cooperation with renowned battery manufacturers including CATL, CALB, EVE and Farasis etc. Our product lineup includes LFP batteries, NMC ternary lithium batteries and energy storage systems, alongside professional OEM & ODM customization services.
All products comply with international standards, featuring superior safety and long service life. Our reliable solutions are widely applied in solar energy storage, vehicles and industrial power sectors. We partner with clients worldwide to advance sustainable energy development.
More info, please contact us: Wechat/WhatsApp: +8613570852640 Email: support@nogipower.com