For example, I regularly plug a Micro USB cable into an iPhone charger and charge with that. Cheap, non phone chargers however, may not be regulated, and that could damage your phone. In short: Any cable or charger from an old phone is fine to use if its Micro USB (same connector).
Untreated surface water in rivers, streams, lakes, and ponds is not safe to drink unless it is treated to remove bacteria, viruses, and parasites.
Rainwater is generally pure water and is safe to drink if you collect it in a clean container. Water found while camping may have rainwater as its source but is susceptible to contamination as soon as it hits the ground. There are several simple methods to convert collected rainwater into safe drinking water.emove rainwater from the top of your collecting tub. Allow the rainwater remaining in the tub at least an hour to settle out heavy particles. Avoid stirring up the settled particles as you draw water out. Pour the clear water into the 1-quart metal pan. Start a fire using dry firewood and matches.