This is a known issue with the FR-2. You will want to use a rechargeable NP battery with a battery shoe or some kind of equivalent(not included), or the. (very used, no harness, no shoulder strap).
It fits the FR-2 perfectly with proper access to everything you need, with attached pouch that can hold NP battery shoe, some wireless units/lavs, or whatever you want. 3x Toshiba 5GB TypeII PC Cards. (no promise that these are stable, I always preferred and used Compact Flash cards with no moving parts).2x generic 2GB CF Compact Flash Cards. Not a lot of space, but hey they are free and will get you started! This is a great professional package that gives you the capability for great quality audio recordings, and to jam sync cameras, slate, and sync boxes with timecode! The item "FOSTEX FR-2 FR2 portable audio recorder with timecode Portabrace accessories" is in sale since Wednesday, August 9, 2017. This item is in the category "Musical Instruments & Gear\Pro Audio Equipment\Recorders".
The seller is "productionsoundnyc" and is located in Bronx, New York. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia.