Samsung INR18650-30Q vs Samsung INR21700-40T
Verdict
The Samsung INR21700-40T costs $1.00 less starting at $4.99. The Samsung INR18650-30Q is lighter at 47 g versus 67 g.
Specification Comparison
| Spec | Samsung INR18650-30Q | Samsung INR21700-40T |
|---|---|---|
| Power & Performance | ||
| Discharge Amps | 15.00 A | 35.00 A+20A |
| Nominal Voltage | 3.60 V | -- |
| Physical | ||
| Weight (g) | 47 g-20g | 67 g |
| Length (mm) | 65.0 mm-5mm | 70.0 mm |
| Width (mm) | 18.0 mm-3mm | 21.0 mm |
| Height (mm) | 18.0 mm-3mm | 21.0 mm |
| Features | ||
| Chemistry | Li-ion | Li-ion |
| Other | ||
| Form Factor | 18650 | 21700+3050 |
| Capacity (mAh) | 3000 mAh | 4000 mAh+1000mAh |
| Peak Discharge Amps | 25.00 A | -- |
| Internal Resistance | 26.00 mΩ | -- |
| Weight | 46.7 g | -- |
| Cell Diameter | 18.34 mm | -- |
| Cell Length | 66.50 mm | -- |
| Max Charge Rate | 4.00 A | -- |
| Tested Capacity | 2980.0 mAh | 3880.0 mAh+900mAh |
| Tested Internal Resistance | 11.00 mΩ | -- |
| Tested Continuous Discharge | 13.60 A | 21.50 A+7.9A |
| Tested Peak Discharge | 22.60 A | 34.40 A+11.8A |
| Pricing | ||
| Lowest Price | $5.99 | $4.99 |
| Sellers in Stock | 3 | 2 |

