This is our review the best high-capacity portable chargers — the kind that are capable of charging devices like laptops and tablet computers. They can also power small appliances like lights and fans.
I’ve been reviewing water filters for about 10 years. During that time, I’ve become convinced that gravity-fed, carbon block filters are the best choice for almost everyone’s filtering needs. Faucet-mounted and pitcher-style filters do not filter water particularly well.