User Review: SteriPEN Journey LCD
Price Paid: US$100
I bought this unit to replace a water filter when its valve tore after several months of hard use on the AT. The first 8 liters went well, then the battery went flat. 3 more pairs of new batteries would only treat 2-4 liters of water before they also were flat according to the device. I kept the batteries in my underwear to keep them warm, and this worked for 2 more liters.
A waste of money and I'll never buy another one.