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If I need to charge or run laptops, cell phones, hand held gaming consoles, and MP3 players, an external USB battery would be worth it. But, for the casual electronics user who rarely used battery powered devices a lot, an external battery might not be useful.
A External Battery for charging and running your devices when your internal battery runs out of energy would be useful in a power outage.
External Batteries can also be useful if your internal battery breaks, but you do not want to take a part your electronics to replace the battery inside your device since internal batteries can be kind of costly and a hassle to remove.
A External Battery for charging and running your devices when your internal battery runs out of energy would be useful in a power outage.
External Batteries can also be useful if your internal battery breaks, but you do not want to take a part your electronics to replace the battery inside your device since internal batteries can be kind of costly and a hassle to remove.
