Ever buy a battery for your Hemisphere S320 online? It can be painful. The battery is either too long or too short, damaging the battery contacts of your receiver. Here at Bench-Mark we have tested over 10 different batteries to find the perfect battery for your receiver, the glass slipper if you would. When you buy an S320 battery from Bench-Mark you can be assured it will work. No need to cram your battery doors to the brim with paper and flagging tape, the things just work.
With the S320 batteries from Bench-Mark, you can be assured that your will be able to hot swap like the day it came from the factory. This is the answer to battery nightmares.