LinkData INR21700S-50T: A 5000mAh Cell Built for High-Power Consistency
You know the feeling. You spec a 5000mAh cell expecting solid high-current performance. Then you put it under real load—sustained draw, heavy demand—and the voltage drops. The device underperforms. The battery heats up. And you start wondering if the spec sheet was written for a different product entirely. The LinkData 21700 50T battery was built to solve exactly that problem.
It‘s a 5000mAh 21700 cell that delivers 60A continuous discharge and handles 125A pulses without triggering protection or dropping voltage mid-operation. And it does this with ≤4mΩ internal resistance—which means less heat, less waste, and more usable energy going to your device.
What this means for you:
- Your high-power tools run at full speed without overheating
- Your e-motorcycles get both sustained power and burst acceleration
- Your equipment delivers consistent output when it matters most
- Your battery packs stay balanced longer, thanks to ultra-low impedance
And cycle life? At 1C charge / 1C discharge, it retains ≥80% capacity after 1,000 cycles. At 8A charge / 40A discharge, it still holds ≥60% after 600 cycles.
Most high-power cells force you to choose between performance and lifespan. The 50T doesn‘t.
Key Specifications
| Parameter | Rating |
|---|---|
| Capacity | 5,000mAh (Typ.) / 4,900mAh (Min.) |
| Nominal Voltage | 3.6V |
| Charge Voltage | 4.2V |
| Discharge Cut-off | 2.5V |
| Standard Charge | 1C (5A), 4.2V, 100mA cut-off |
| Max Charge Current | 8A (supports cycle life) |
| Max Continuous Discharge | 60A |
| Max Pulse Discharge (10s) | 125A |
| AC Impedance | ≤4mΩ |
| Weight | 68.5±1.5g |
| Dimensions | Φ21.35±0.15mm × 70.7±0.2mm |
| Charge Temp (Surface) | -20~60℃ |
| Discharge Temp (Surface) | -40~80℃ |
Cycle Life Performance
| Test Condition | Cycles | Retention |
|---|---|---|
| 1C charge / 1C discharge | 1,000 cycles | ≥80% |
| 8A charge / 40A discharge | 600 cycles | ≥60% |
| 8A charge / 50A discharge | 400 cycles | ≥60% |
Who Is This Cell For？
High-power tools. The 60A continuous output means sustained heavy loads don‘t trigger overheating or performance throttling.
E-motorcycles / light EVs. You need both cruising endurance and launch acceleration. The 50T delivers both with stable voltage under load.
Industrial equipment. Extended duty cycles require reliable power delivery. The 50T’s cycle life at 40A and 50A discharge backs that up.
Cold-environment applications. With discharge capability down to -40℃, this cell performs in conditions where others struggle.
Who Is This Cell Not For？
- Standard e-bikes (performance is overkill—the 50T is more cell than you need)
- Energy storage systems (you‘re paying for high-rate capability you won’t use)
LinkData 50T vs 50P vs 50S – How They Compare
| Model | LinkData 50T | LinkData 50P | Samsung 50S |
|---|---|---|---|
| Capacity | 5,000mAh (Typ.) | 5,000mAh | 5,000mAh (Typ.) |
| Max Discharge | 60A (cont.) / 125A (pulse) | 50A (no temp cut) / 80A (with temp cut) | 25A (no temp cut) / 45A (with temp cut) |
| Max Charge Current | 8A | 15A | 6A (cont.) / 10A (step) |
| AC Impedance | ≤4mΩ | ≤4.0mΩ | ≤14mΩ |
| Cycle Life | 1,000 cycles ≥80% (1C/1C) 600 cycles ≥60% (8A/40A) | 1,000 cycles ≥80% (5A/5A) 600 cycles ≥60% (8A/30A) | 250 cycles ≥60% (25A) |
| Weight | 68.5±1.5g | 67.0±1.5g | ≤72.0g |
| Best For | High-power consistency | Extreme power (80A) | Brand recognition |
The Bottom Line
If your application demands consistent high-power output and real-world cycle life, the LinkData 50T is a cell worth testing. It doesn‘t overpromise on spec sheets—it delivers where it matters: under load, cycle after cycle.
BECELL has LinkData 50T in stock. Contact us for samples, test data, or to discuss your specific power requirements.