How Much Does battery and Power Spot boost the power of moves?

Question

How much (%) does it boost allies moves?

Answer 1

Power Spot:

The power of moves used by the allies of the Pokémon with Power Spot is increased by 30%

Source 1

Battery:

This Ability raises the power of allies' special moves by approximately 30%, or more precisely, a factor of 5325/4096.

Source 2

Hope this helps!

Comments

It's probably the exact same multiplier and the battery page's editor was just a bit more precise.