Empower adds 50 Strength which results in these stats for Reservoirs:

1485 Max health
148.50/s Health [Regen]
99.00% Bonus movement speed
148.50% Bonus attack speed
38.75 Energy Cost

With 3x Power Donation (+90 Strength) on your squad (585 Strength total):
1755 Max health
175.50/s Health [Regen]
117.00% Bonus movement speed
175.50% Bonus attack speed

With 3x Power Donation and an Equinox built for Peaceful Provocation (+80 Strength, 665 Strength total):
1995 Max health
199.50/s Health [Regen]
133.00% Bonus movement speed
199.50% Bonus attack speed

With all that and the Pax Bolt Arcane for Kitguns (+30 Strength, 695 Strength total):
2085 Max health
208.50/s Health [Regen]
139.00% Bonus movement speed
208.50% Bonus attack speed

I can't think of more to add to this. Let me know if you find something.