21700 4000mAh 70A Discharge -Lithonic INR21700 40HR

Unleash Extreme Power with Lithonic INR21700 40HR: 4000mAh 70A Discharge, Unbeatable Price & Ultra-LowRevolutionize High-Drain Performance​
21700 4000mAh 70A discharge battery——The ​Lithonic INR21700 40HR​ delivers unprecedented ​70A continuous discharge​ with 4000mAh capacity – outperforming premium rivals at 40% lower cost. Engineered for drones, power tools, and EVs, its <5mΩ ultra-low resistance (tested at 25±1°C per IEC 61960) solves critical pain points: ​voltage drop, overheating, and short runtime in extreme-load applications.

Validated Technical Dominance​
Based on third-party lab reports (available upon request):

• 🔋 ​Real-World Capacity:
  • 3,922mAh maintained at ​40A continuous discharge​ (98% efficiency)
  • 3,840mAh sustained at ​60A discharge​ (96% efficiency)
• ⚡ ​Resistance Benchmark: 4-6mΩ AC impedance (beats Samsung 40T’s 12mΩ)
• 🛡️ ​Safety First: Stable discharge curves even at 70A, with dual PTC protection
• ♻️ ​500+ Cycles: 80% capacity retention after 500 cycles @ 20A discharge (Section 4.3)

​Industry-Leading Value​

Why engineers choose 21700 4000mAh 70A discharge Lithonic 40HR:
✅ ​Full-Pole Ear Design​ – 50% lower resistance than conventional tabs
✅ ​​-20°C~60°C Operation​ – Uninterrupted power in arctic/desert conditions
✅ ​UL/IEC 62133 Certified​ – Audit-ready for OEM production

​Limited Offer for High-Volume Buyers​
First 100 inquiries receive ​free samples + datasheet. Contact our engineers today for bulk pricing and custom solutions:
→ ​Email: engineer@lithonic-power.com
→ ​WhatsApp: [+86 XXX XXXX XXXX]