Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to revive a cell phone battery [title] First, gather your supplies. [step] You'll need the following : [substeps] 9-volt battery-any brand will do. Electric tape-you'll need no more than five inches.

Ending1: One piece of tape will be enough to run a battery. ( the full number of inches is difficult to determine. Ending2: Electrical wire-basic thin electrical wire will do. Red (+) and black (-) are preferred. Ending3: Sturdy cardboard, which you can cut into squares. A magnetized or metal battery with a 1 inch sticker at the bottom. Ending4: A stainless steel microwave-11 volt at minimum. 2 wire meters-pick at least 4-feet of 4-foot (1.4 m) long wire.

Answer format: ending1/ending2/ending3/ending4