alt Hacker NewsSpare battery: remove empty battery, switch battery, you are back to 100% Powerbank: mess with cables, keep phone plugged until it's charged and wait
If there is a market for spare batteries, there might be a market for external battery chargers as well > swap battery in the morning instead of charging, place empty battery on charger, repeat the next day
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mschuster91 • today at 2:07 PM
Spare batteries are a nightmare to handle. Far too easy to bend or have something short-circuit the pads, and you have to shut down and restart your phone.
However, what is needed desperately is the ability to quickly change a degraded battery.
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I purchased a Lenovo T580 ThinkPad in 2018, and I configured it with an extra battery. So it had one built-in and one that was removable. This added some extra weight and plenty of extra battery life.
Several times I thought about purchasing a spare battery, but I never did. I also thought about detaching the battery and using the machine without it, such as on AC line power, or when I didn't need the extra juice. But I realized that it was a bad idea to carry it around with a gaping hole on the bottom and exposed battery contacts. I would've felt comfortable if there was a dummy cap to snap on instead.