3V BATTERY: HOGWARTS’ HIDDEN POWER FUELING MAGIC & TECH

The Leaky Cauldron’s Unseen Alchemy Beneath the clinking mugs of Butterbeer and the creaky floorboards of the Leaky Cauldron lies a magic even Dumbledore might have envied: the 3V battery—a compact power source so unassuming it could pass for a Galleon, yet mightier than a well-cast Lumos Maxima. While flashy wand cores and enchanted gadge