Amprius INR21700-5000Q Tabless 21700 Cell Ultra-High Power • 5000mAh • Engineered for Demanding Drone & High-Performance Applications
In the fast-evolving world of FPV/UAVs/drones, power tools, e-mobility, and high-drain electronics, every millisecond and every gram counts.
Amprius Energy proudly introduces the INR21700-5000Q – a revolutionary tabless 21700 lithium-ion cell that delivers industry-leading 5000mAh capacity combined with exceptional high-rate discharge performance, ultra-low internal resistance, and rock-solid reliability.
Featuring full-pole (tabless) construction, the 5000Q ensures superior current distribution, reduced heat buildup, and unmatched power delivery. Perfect for heavy-lift drones, high-speed racing FPV drones, industrial equipment, and any application demanding sustained high currents.
Why Choose Amprius?
Amprius Energy Co., Ltd. is a pioneer in advanced cylindrical cell technology with:
· Tabless electrode design – lower impedance, superior thermal management, higher sustained power vs. traditional tabbed cells
· State-of-the-art manufacturing and rigorous testing
· Fast, reliable global supply chains – no allocation delays
Key Performance Highlights
Official Specification & Independent Test Report
· Nominal Capacity: 5000mAh (min. 4950mAh) Tested average: 5049mAh @ 0.2C
· Nominal Voltage: 3.6V
· AC Internal Resistance (ACIR): <5mΩ (tested avg. 3.487mΩ)
· DC Internal Resistance (DCIR): <20mΩ @ 25°C (tested ~9–10mΩ)
· Max Continuous Discharge: 50A @ RT (125A with 75°C cut)
· Pulse Discharge: 180A for 2s
· Discharge Temperature Range: –40°C to 80°C
· Cycle Life: ≥70% capacity after 300 cycles @ 50A Test target: 80% after 500 cycles @ 2C/2C
· Weight: 70.0 ± 2.0g
· Dimensions: Ø21.70 ± 0.2 mm × 70.80 ± 0.3 mm (with PET sleeve)
Head-to-Head Comparison
Amprius 5000Q vs. Samsung 50S vs. Molicel P50B
|
Feature |
Amprius 5000Q (Tabless) |
Samsung INR21700-50S |
Molicel P50B |
|
Nominal Capacity |
5000mAh (tested avg. 5049mAh) |
5000mAh (min. 4800mAh) |
5000mAh (min. 4850mAh) |
|
ACIR |
<5mΩ (avg. 3.487mΩ) |
≤14mΩ |
~6.5mΩ |
|
Max Continuous Discharge |
50A @ RT (125A w/ 75°C cut) |
25A (45A w/ 80°C cut) |
60A (w/ 80°C cut) |
|
Pulse Discharge |
180A (2s) |
Limited |
Not emphasized |
|
High-Rate Retention |
98.8% @ 12C (60A) |
~95% @ ~2C |
Strong @ 60A but temp-limited |
|
Cycle Life (High Rate) |
≥70% @ 300 cycles @ 50A |
60% @ 250 cycles @ 25A |
~80% @ 500 cycles @ 1C |
|
Weight |
70 ± 2g |
~72g |
~68.8–70g |
|
Low-Temp Performance |
Excellent (–40°C viable) |
Standard |
Good |
|
Design Advantage |
Tabless – best heat & current flow |
Traditional tabbed |
Standard tabbed |
Discharge Performance Edge Test curves show the 5000Q maintains flat voltage plateaus even at 30A–60A with minimal sag and controlled temperature rise. High/low-temperature discharge: 84.6% retention @ –20°C, >105% @ 60°C – ideal for outdoor UAV operations.
Beating the Shortage – Fast Delivery When You Need It Most
Ready to Power the Next Generation?
The Amprius 5000Q is more than just a cell – it’s a performance upgrade delivering longer flight times, higher thrust, and greater reliability under extreme loads.