Working fine as described
Akari 4V 0.5Ah Sealed Lead Acid Rechargeable Battery For Mosquito Bat / Toys
The stick is too small
Input Voltage: 110-240V AC, 50/60 Hz Output Voltage: 5V DC Output Current: 1 Amp (Max.) Output Wattage: 5 Watt (Max.) Special protection for Touch Phones High Gloss Poly Carbonate (PC) Cabinet Inbuilt Automatic Voltage Booster