Do the batteries in the CSC SYS 50 need to be the same Ah?
No, they do not need to be the same Ah, as long as both batteries are 4.0Ah or above they will work. e.g 1 x 4.0Ah and 1 x 5.2Ah
To see To see the full range of batteries and chargers see this link:
To see To see the full range of batteries and chargers see this link: