M18 5.0 rebuilt to a 5.0 or 5.4

M18 5.0 rebuild service, there are 2 variety's of this case most can be built into a 5.4ah high output, however one style is maxed out at a 5.0, the 5.0 has more current output than the 5.0, giving it an advantage. If you select a 5.4 and it can now be done you will be refunded the difference.