I built this because there was a time that we forget to buy a supply of AAA, AA, C, D and LR44
battery so I built this. It solve my problems so it might do the same for you too. Check out for more projects by: angelo10.
This is the original version by: angelo10
Please give the credits to me not for your selves. I saw people getting my pictures and telling others that they made it. Please don't get all the credits!
Proud to be Filipino (pinoy) like Manny Pacquiao.
Step 1: Meterials You Will Need
- A Calculator
- Carbon Rod/ Copper Rod
- A 1x1 Inch Aluminum Foil
- A Small Cylindrical Container
- Two 3 Inch Wire
- Multi Purpose Pliers
- Glue Gun
Step 2: Making Some Holes
Step 3: Adding the Carbon Rod (Positive)
Warning: Never open alkaline "it is messy".
Step 4: Adding the Foil (Negative)
Step 5: Connect the Water 's Wires
Step 6: Disassembling the Calculator
Step 7: Connect the Water Battery to the Calculator
Step 8: Assemble It Again
Step 9: Fill the Water Battery
Water - Good
Water With Salt - Better
Vinegar - Best