CellBench

Molicel P28A vs Sony VTC6

Side-by-side comparison of Molicel INR18650-P28A (18650) and Sony US18650VTC6 (18650)

Specifications
Molicel INR18650-P28ASony US18650VTC6
Capacity2800 mAh3000 mAh
Nom. Voltage3.6 V3.6 V
Max Current35 A30 A
Weight46 g46.6 g
Energy10.1 Wh10.8 Wh
Energy Density219 Wh/kg232 Wh/kg
Form Factor1865018650
Typical R_int22.0 mOhm26.0 mOhm
Discharge Curves
Rate:

Showing 10A discharge rate for both cells

Internal Resistance @ 50% SOC
CurrentMolicel INR18650-P28ASony US18650VTC6
0.2A26.0
0.5A26.0
0.56A22.0
1.0A32.5
2.0A33.4
2.8A20.0
3.0A32.8
5.0A29.1
7.0A27.3
10.0A19.024.8
15.0A22.1
20.0A18.420.8
30.0A18.019.3

Values in mΩ. Bold = lowest resistance at that current.

Summary

The Sony VTC6 offers 7% more capacity (3000 vs 2800 mAh). The Molicel P28A supports higher continuous discharge (35A vs 30A), making it better for high-drain applications. The Sony VTC6 has better energy density (232 vs 219 Wh/kg). The Molicel P28A is lighter at 46g.