SunPower INR21700-5000 High-Performance Li-ion Battery
As industries demand more from portable power solutions, the SunPower INR21700-5000 emerges as a game-changer in lithium-ion technology. Engineered for professionals who prioritize runtime and reliability, this battery addresses three critical pain points:
- Premature power depletion in high-drain devices
- Voltage drop under heavy loads
- Compromised safety in extreme conditions
Core Specifications That Deliver Results
- 5000mAh Nominal Capacity (4900mAh Minimum Guaranteed)
- 35A Continuous Discharge (No Thermal Cutoff)
- 70A Pulse Discharge (2-second bursts)
- 500+ Cycle Life (With 93% Capacity Retention)
- UL1642-Compliant Safety Standards
Engineered for Peak Performance
- Unmatched Energy Density
At ≤70g weight, our proprietary NMC chemistry delivers 182Wh/kg energy density – 12% higher than industry average for 21700 cells. - Cold Weather Optimized
Maintains ≥70% capacity at -10°C (14°F) with intelligent electrolyte formulation, outperforming standard lithium batteries by 25% in low-temperature environments. - Rapid Recharge Capability
Full charge in 180 minutes (2.5A standard charge) with 5A fast-charge support for time-sensitive operations. - Military-Grade Durability
Passes 130°C thermal abuse tests, 13kN crush resistance, and altitude simulation equivalent to 50,000ft – ensuring reliability in harsh industrial settings.
Technical Highlights
| Parameter | Specification | Industry Standard | Advantage |
|---|---|---|---|
| AC Impedance | ≤15mΩ @30% SOC | ≤25mΩ | 40% lower power loss |
| Self-Discharge | ≤3% | ≤5% | Longer shelf life |
| Operating Range | -20°C~75°C | -20°C~60°C | Wider thermal window |
Application Scenarios
✓ Professional Power Tools (15A chainsaws/angle grinders)
✓ High-Performance EVs (E-bikes/Scooters)
✓ Industrial UPS Systems
✓ Outdoor Solar Storage
Why Global Buyers Choose Us
• 12-Month Performance Warranty
• ≤10mV Voltage Matching for Battery Packs
• Custom CID Configurations Available
• IEC62133/UN38.3 Certified
Request Your Sample Today
Get factory-direct pricing for OEM/ODM orders above 5,000 units. All inquiries receive free technical consultation and cycle life simulation report.
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