Axiom 2X Li-42B Li-40B Li-ion Battery Pack for Olympus FE-360 FE-20 FE-240 TG-320 Battery for Olympus Li-40B Li-42B 3.7V 750mAh Battery Type:Li-ion Voltage:3.7V Capacity:1100mAh Replace OEM Part N: Olympus: Li-40B, Li-42B Packing Contents: 2 x Battery