When this card is Normal Summoned, you can Special Summon 1 "Batteryman" monster, except "Batteryman Charger", from your hand or Deck. This card gains 300 ATK and DEF for each Thunder-Type monster you control.
Batteryman Charger does not require you to tribute summon him to activate his effect, but only normal summon him. Therefore, you can use cards like Mausoleum of the Emperor and Cost Down to normal summon him without tribute.
Batteryman are an archetype of Thunder-type monsters with weak stats and are more focused on controlling the field with their powerful effects. They gain advantage through special summoning each other and destroying the opponent’s field with Batteryman Industrial Strength. You can tribute Batteryman monsters to summon Super-Electromagnetic Voltech Dragon with various effects.
Use these cards to make your Batteryman deck more effective at gaining advantage. Batteryman Micro-cell can special summon a Batteryman from your deck and then draw you a card when he is flipped face-up. Batteryman Charger special summons a Batteryman from your deck when he is normal summoned and gains attack for each Batteryman you control. Recycling Batteries adds 2 Batterymans from your graveyard to hand. Battery Recharge revives a Batteryman at the cost of 500 LP. You can discard Thunder Seahorse to search 2 copies of a Thunder-type monster from your deck.