Khaba = 22500 Health, SE is 3500, 26,000 Health at t10. Heals for 130 per tick over 28 seconds, or 156 with Repair flag, so 3640 or 4,368 health per repair. 3 uses with RPII or 4 with SI, totaling up to a potential of 17,472 health restored if you get 100% of each tick. The cooldown is low enough that you could potentially use all 4 charges within about a 10 minute window.
Kodi nox