Esys Ultra |verified| -

| Parameter | ESYS Ultra (EVE 40PL based) | |-----------|------------------------------| | Nominal capacity | 4000 mAh | | Nominal voltage | 3.65 V | | Max continuous discharge | 70 A (some variants 80 A) | | AC internal resistance | ≤8 mΩ | | Operating temp | -20°C to 80°C | | Cycle life | ≥500 cycles at 70 A discharge |

Below is a summary of relevant and real citations based on public research and manufacturer data sheets. If you meant a different "ESYS Ultra" (e.g., a software, academic system, or other product), please clarify. 1. Representative Paper / Study on ESYS Ultra (or similar high-power 21700 cells) While there is no widely known academic paper specifically titled only "ESYS Ultra," you can find related studies on EVE 21700 high-drain cells (e.g., EVE 40PL, 50G, or INR21700-40P). The ESYS Ultra is often a rebranded or specially binned version for high-current applications. esys ultra

It sounds like you're asking for a (likely the EVE ESYS Ultra battery cell from EVE Energy, a high-performance cylindrical lithium-ion cell, often an INR21700 or similar format). | Parameter | ESYS Ultra (EVE 40PL based)