1. You will get a free Mecha charge every 8 hours and you can save up to 3 Mecha charge. Recharging an Ultra Mecha with Mecha charge can get a temporary EXP Bonus for this type of Ultra Mecha. The higher the bonus, the higher the EXP Gain each time you feed it. However, once the Mecha evolves, its temporary EXP Bonus will be cleared.

Tips: The free Mecha charge is not same as the Mecha charge.

 

2. You can also recharge Ultra Mecha with Mecha chargeto make them upgrade quickly. Mecha charge can be obtained from attacking Mecha, completing events, assembling Mecha and packs.