Standard 6V 7AH Battery goes to the following LIW Bars:

• LIW-36R-7R (Takes 2 Batteries)
• LIW-36RF-7R (Takes 2 Batteries)
• LIW-48R-7R (Takes 2 Batteries)
• LIW-48RFS-7R (Takes 2 Batteries)
• LIW-60R-7R (Takes 2 Batteries)
• LIW-60RFS-7R (Takes 2 Batteries)