This CF laptop battery is also compatible with the following models:
• PANASONIC
CF-W5
CF-W5AC1AJS
CF-W5AC1AXS
CF-W5AW1AJS
CF-W5AW1AXS
CF-W5AWDAJS
CF-W5AWDAXS
CF-W5AWDBJR
CF-W5AWDPJR
CF-W5KC4AXS
CF-W5KW4AXS
CF-W5LW4AXS
CF-W5LW8AXS
CF-W5LWEZZBM
CF-W5MC4AJS
CF-W5MC4AXS
CF-W5MW4AXS
CF-W5MW8HJR
CF-W5MWSYZSE
Toughbook W5.