Working fine as described
Akari 4V 0.5Ah Sealed Lead Acid Rechargeable Battery For Mosquito Bat / Toys
The stick is too small
Description
AAA batteries are most often used in small electronic devices, such as TV remote controls, MP3 players and digital cameras. Devices that require the same voltage, but have a higher current draw, are often designed to use larger batteries such as the AA battery type