Li-Ion Rechargeable CR2 Battery (also works with Pentax Espio 170SL) Looking for reliable performance from your Pentax Espio 170SL Digital Camera? Our Pentax Espio 170SL battery will provide you the performance and dependability that you demand for your Digital Camera. With an efficient rating of 3V Volt and 250mAh , you never have to worry about being too far from an ac outlet. Our line of Pentax Espio 170SL batteries are precision-engineered and rigorously tested for voltage, capacity, compatibility and safety to exceed original equipment manufacturer specifications. With an industry leading warranty and customer service, you can’t go wrong. ... More Info