How to Make Air Pump/Aerator Chargers, Big Bubbles Last up to 40 Hours

I usually use this Air pump(Aerator) for live shrimp bait / live fish bait when fishing, can also be used in the aquarium for emergency when the power goes out.
The advantages of this Air pump (Aerator) :
Big Bubble
Can be charged (ReCharge able)
Lasts up to 40 hours of non-stop use
Durable, Easy, Cheap & Simple.
Here is a video tutorial on How to Make Air Pump/Aerator Chargers, Big Bubbles Last up to 40 Hours.
HOPE IT'S USEFUL👍👍👍