Many are switching to the Sodium from LithiumMoto now. It's very compatible compared to the AGM profile. H4 size with a 36Ah capacity ( or more if wanted )
The AntiG battery will not work.
1st; it wont fit, H5 is over 2" longer...
2nd, the AG's " restart feature will disconnect the battery early and not allow the battery to cycle
below 13V.