"Mouse",

I've had nothing but good experiences from my SteriPen Adventurer. This may be because I've used lithium batteries at all times.

I DO have the rechargable betteries B/C I also have the solar recharging case. I plan to use these batteries on day hikes and weekend backpacking trips to see how long they work.

Eric
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"There are no comfortable backpacks. Some are just less uncomfortable than others."