21700 5000mAh Lithium Ion Rechargeable Batteries 3C Discharge Power Cell
5000mAh 3.7 Volt Lithium Ion Battery 3C Discharge Power Cell for electric vehicle
21700 5000mAh 3.7V Rechargeable cylindrical Lithium Ion Batteries 3.7V CE BIS IEC2133 CB UL1642
- Lithium Ion Battery 21700 5000mAh 3.7V (series models are as below)
- power cell for vacuum cleaner vacumm robot eletric vehicle 3C discharge
- Normal type Li-ion Cell or High Rate 3C 5C 10C 12Cwith customer design
- MaxPower brand or OEM brand is ok
- Accept the trial order around 1K with courier door to door service
- UL CE ROSH KC IEC62133 CCC UN38.3 MSDS BIS certification is aviliable for many li-ion battery models
- Original China top brand 21700 cells for power tools, electric vehicle..
- We accept the Customized battery pack and design OEM and ODM project .
Specification of the 21700 5000mAh battery:
| 1 |
Capacity |
Nominal Capacity:5000mAh (discharge with 0.2C to 2.5V) |
| Minimum Capacity:4900mAh (discharge with 0.2C to 2.5V) |
| 2 |
Nominal Voltage |
3.6 V |
| 3 |
Internal Iedance(AC 1KHZ) |
≤ 20mΩ |
| 4 |
Standard Charge |
Constant Current: 1C (5000mA) |
| Constant Voltage: 4.2V |
| 5 |
Max. Charge Voltage |
4.2±0.05V |
| 6 |
Max. Charge Current |
25℃: 1C (5000mA) |
| 7 |
Standard Discharge |
Constant Current: 1C (5000mA) |
| End Voltage: 2.5V |
| 8 |
Max. Discharge Current |
25℃: 3C (15000mA) |
| 9 |
Operating Teerature |
Charge:0 ~ 45℃ |
| Discharge:-20 ~ 60℃ |
| 10 |
Storage Teerature |
within one month: -20 ~ 50℃ |
| within three months: -20~ 45℃ |
| within one year: 0~45℃ |
| 11 |
Weight Max. |
70.0 g |
| 12 |
Max. Dimension |
Diameter (φ): 21.4mm |
| Height (H) : 70.75mm |
Discharge criterion
| NO |
Current |
Relative Capacity |
| 1 |
0.2C |
100% |
| 2 |
0.5C |
≥97% |
| 3 |
1C |
≥95% |
| 4 |
2C |
≥90% |
| 5 |
3C |
≥85% |
CYCLE LIFE:
(1) Charge: 0.5C constant current charge to 4.15V followed by 4.15V constant voltage charge to cut-off current
≤ 0.05C (250 mA)；
(2) Discharge: 1C constant current discharge to cut-off voltage ≤ 3.00 V.
Discharge capacity of 1001th cycle/Original capacity >80%
High-low
teerature
discharge
performance |
(1) Charge: 0.5C constant current charge to 4.20V followed by 4.20V constant voltage charge
to cut-off current ≤ 0.01C at 25±2℃;
(2) Discharge: 0.2C constant current discharge to
cut-off voltage ≤ 2.50 V at 25℃, 60℃, 45℃,
10℃, 0℃, -10℃, -20℃. |
Teerature |
Relative Capacity |
| 25°C |
100% |
| 60°C |
≥98% |
| 45°C |
≥97% |
| 10°C |
≥90% |
| 0°C |
≥85% |
| -10°C |
≥75% |
| -20°C |
≥65% |
More pics.
Unleash True Power: Why the Samsung INR21700-50S is the Ultimate Flagship Cell
Looking for the perfect balance of massive capacity and extreme discharge performance? The Samsung INR21700-50S is exactly what your next project needs! As a flagship 21700 cell, it sets the industry standard for high-performance power.
Here is why the 50S stands out from the crowd:
🔋 Massive 5000mAh Capacity
Top-tier energy density in the 21700 format. It provides exceptional runtime for devices that demand long-lasting endurance.
🚀 Extreme High-Rate Discharge
Don't let the high capacity fool you—it’s a beast! With a continuous discharge current of up to 30A (and max 35A), it effortlessly handles sudden power surges and heavy loads.
📉 Ultra-Low Internal Resistance
Featuring an incredibly low internal resistance of ~11.5mΩ, the 50S maximizes charging/discharging efficiency and significantly reduces heat generation during heavy use.
❄️ All-Weather & Smart Storage
Built for extreme environments with a wide operating temperature range (-20°C to 60°C). Plus, Samsung's (Low Self-Discharge) technology ensures it retains about 85% of its charge even after a year of storage!
🎯 Unmatched Consistency
Samsung’s premium quality control guarantees outstanding cell-to-cell consistency, making it the safest and most reliable choice for complex multi-cell series/parallel battery packs.
🛠️ Where Does the 50S Shine?
Perfect for high-drain and high-capacity applications:
- Cordless Power Tools: Handles motor stalls without voltage sag.
- Light Electric Vehicles (LEV): E-bikes, e-scooters, and hoverboards.
- Energy Storage Systems (ESS): Solar storage, UPS, and home backup power.
- Drones & RC Models: Delivers stable platform voltage and explosive thrust.
- High-Output Flashlights & Portable Power Stations.
💡 The Bottom Line:
The Samsung INR21700-50S is a true "All-Rounder." Perfectly balancing 5000mAh capacity with 30A discharge, it is the ultimate power source for premium power tools, EVs, and energy storage systems.
POWER CELL(high rate for power tools)
| No. |
Type |
Models |
Capacity (mAh) |
Nominal Voltage (V) |
Iedance(mΩ) |
cut off voltage(V) |
Max.Continuous Discharge Current |
Cycle life |
Operating Teerature |
| 1 |
14500 |
14500 |
850 |
3.6 |
≤70 |
2.75 |
1.7A(2C) |
above 300 |
-20~60 |
| 2 |
18650 |
18650P |
2000 |
3.6 |
≤20 |
2.75 |
20.0A(10C) |
above 300 |
-20~60 |
| 3 |
18650T |
2000 |
3.6 |
≤40 |
2.75 |
6.6A(3C) |
above 500 |
-40~90 |
| 4 |
18650P5 |
2200 |
3.6 |
≤20 |
2.75 |
11.0A(5C) |
above 5300 |
-20~75 |
| 5 |
18650P8 |
2500 |
3.6 |
≤18 |
2.5 |
30A(12C) |
above 250 |
-20~80 |
| 6 |
18650M6 |
2600 |
3.6 |
≤35 |
2.75 |
7.5A(3C) |
above 1000 |
-20~60 |
| 7 |
18650M7 |
2600 |
3.6 |
≤30 |
2.75 |
7.5A(3C) |
above 1000 |
-20~60 |
| 8 |
18650P9 |
2900 |
3.6 |
≤40 |
2.5 |
8.7A(3C) |
above 1000 |
-20~60 |
| 9 |
18650M9 |
3200 |
3.6 |
≤40 |
2.5 |
9.3A(3C) |
above 1000 |
-20~60 |
| 10 |
21700 |
21700F2E |
5000 |
3.62 |
≤25 |
2.5 |
14.4A(3C) |
above 1000 |
-20~60
|
Energy Cell:
| No. |
Type |
Models |
Capacity (mAh) |
Nominal Voltage (V) |
Iedance(mΩ) |
cut off voltage(V) |
Max.Continuous Discharge Current |
Cycle life |
Operating Teerature |
| 1 |
18650 |
18650F56 |
2200 |
3.7 |
≤60 |
3 |
2.2A(1C) |
above 300 |
-20~60 |
| 2 |
18650R8 |
2600 |
3.7 |
≤60 |
3 |
2.6A(1C) |
above 300 |
-20~60 |
| 3 |
18650F30 |
3000 |
3.7 |
≤60 |
3 |
4.5A(1.5C) |
above 300 |
-20~50 |
| 4 |
18650L9 |
3350 |
3.6 |
≤60 |
2.5 |
4.8A(1.5C) |
above 300 |
-20~50 |
| 5 |
21700 |
21700F2 |
5000 |
3.62 |
≤40 |
2.5 |
7.5A(1.5C) |
above 300 |
-20~50 |
Hot saling model:
| models |
capactity |
models |
capactity |
note |
| 18650 |
1200mAh |
18350 |
700mah |
|
| 18650 |
1300mAh |
36600 |
7500mah |
(militery use) |
| 18650 |
1500mAh |
32600 |
5000mah |
(militery use) |
| 18650 |
1800mAh |
18500 |
1900mah |
|
| 18650 |
2000mAh |
18500 |
1200mah |
|
| 18650 |
2200mAh |
16310 |
850mah |
|
| 18650 |
2500mAh |
10840 |
650mah |
|
| 18650 |
2600mAh |
16650 |
1600mah |
|
| 18650 |
3400mah |
14650 |
1000mah |
|
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