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.
Related Articles. Boiling water is the safest method of purification. Whether you're out camping, in a country with under or un-sanitized drinking water, or you fear your local water supply has become contaminated, boiling water kills germs and parasites. If you're travelling, boiling water for drinking can be a cheaper alternative to buying bottled water.