2x Pack - Olympus mju 1050 SW Battery - Replacement for Olympus LI-40B, LI-42B Digital Camera Battery (800mAh, 3.7V, Lithium-Ion) Replacement Olympus mju 1050 SW Battery Replacement for Olympus LI-40B, LI-42B Digital Camera Batteries Quantity: 2, Lifetime Warranty Capacity: 800mAh, Upstart Battery Brand On Sale for a Limited Time!