Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to conserve battery life on your ipod touch [title] Charge your ipod touch whenever you get a chance. [step] If your ipod touch is below 50 percent charge, it's good to pop it on the charger for twenty to thirty minutes. Doing this throughout the day will ensure that your battery stays charged without harming your battery itself.

Ending1: [title] Choose a current meter to help ensure your charge is not over. [step] Scroll down on your screen and click " have battery fire " in the user's screen to choose " battery flushing. Ending2: [title] Avoid letting your battery sink to zero percent. [step] While this will occasionally happen, letting your battery die completely or leaving it off for lengthy periods of time (e.g., a day or longer) can harm your battery, causing it to hold less charge in subsequent uses. Ending3: [substeps] If your ipod touch gets low battery time, turn off and recharge it. Turn off your battery charger before charging it. Ending4: [title] Plug your ipod touch into a power source. [step] Your ipod touch's battery charger needs to be plugged into a power source.

Answer format: ending1/ending2/ending3/ending4