Casio Exilim EX-N20RD Battery - Replacement for Casio NP-80, NP-82 Digital Camera Battery (800mAh, 3.7V, Lithium-Ion) Replacement Casio Exilim EX-N20RD Battery Replacement for Casio NP-80, NP-82 Digital Camera Batteries Lifetime Warranty Capacity: 800mAh, Upstart Battery Brand On Sale for a Limited Time!