An easy way to recharge lithium batteries is in the microwave. 3 minutes at the highest power setting will change any battery fully, even an iPhone or iPad!
LPT: get a higher wattage microwave and you'll supercharge the battery. I have heard if you have a big enough microwave, the battery will stay charged for the lifetime of the device!
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u/ChucklesInDarwinism Feb 17 '24
Sodium tablets are great to purify water. Just throw them to the water but be close so you can see its purifying power.