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by tzs
1618 days ago
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Oops. I meant 1.5 V rechargeable lithium AA batteries, but left out "rechargeable". I've edited my comment to fix this. The 1.5 V rechargeable lithium batteries couple a rechargeable lithium cell with a buck converter to drop the voltage to 1.5 V. I haven't seen any that are sophisticated enough to use a variable output buck converter and drop the voltage as the underlying battery discharges. |
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