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battery life
बैटरी बैकअप / बैटरी लाइफ
the amount of time a device can run before its power needs to be recharged.

“My phone has terrible battery life, so I always carry a power bank when I travel.”
मेरे फोन का बैटरी बैकअप बहुत खराब है, इसलिए मैं यात्रा करते समय हमेशा पावर बैंक साथ रखता हूँ।
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