IBP-2 (36AQ517-01) Rechargeable Lithium-ion Battery, 3.6V, 3.1Ah/11.16Wh

Infiray IBP-2 Lithium-Ion Rechargeable Battery Pack for InfiRay Finder FH and FL Series Monoculars Compatible with both V1 & V2 versions. 3100mAh battery capacity 3.6V voltage 3.1Ah capacity