Working fine as described
Akari 4V 0.5Ah Sealed Lead Acid Rechargeable Battery For Mosquito Bat / Toys
The stick is too small
Portronics Indo 5X Power Bank comes with a 5000mAh capacity and is built using lithium polymer cells. There are two input ports, one input with 2a type-c and other with fast charging 2a micro usb port, your devices will be charged super-fast. There are two output ports, usb output1 can provide DC 5v - 2.1a and usb output2 can provide DC 5v - 1.0a. It also has a built-in 5000mAh battery for charging any Smartphones, Tablets, Mp3 players, Camera, etc multiple times. Get protection from short circuits, current and voltage overloads and protection against overheating and wrong insertion.