Original BAK INR2170-45D 4500mAh High Power Lithium-ion Battery - Direct from Factory
Key Advantages
✅ Genuine Product：Certified by UL1642, IEC62133, ISO9001, 100% original from BAK
✅ Massive Stock：100,000+ units in stock, fast delivery within 72 hours
✅ High Capacity：4500mAh typical capacity, 16.2Wh energy density
✅ Ultra High Discharge：60A peak current (with thermal protection)
✅ Low Internal Resistance：≤5mΩ AC impedance for efficient energy transfer
✅ Long Cycle Life：600 cycles @ 60% capacity retention
![BAK21700 45D]( "BAK21700 45D")
Technical Specs
| Item | Value |
| Model | INR2170-45D |
| Nominal Voltage | 3.6V |
| Rated Capacity | 4400mAh |
| Max Charge Current | 13.2A |
| Max Discharge Current | 60A (T-protected) |
| Internal Resistance | ≤5mΩ (1kHz AC) |
| Dimensions | φ21.45×70.75mm |
Applications
✔ Power Tools ✔ Energy Storage ✔ RC Models ✔ Smart Devices ✔ Medical Equipment
Factory Direct Price
Competitive wholesale pricing available. Contact us for bulk discounts and customization options!
