Batteries
Your OGS48 Solar Kit will come with (8) Dyno D105, 220 Amp Hour batteries @ 6 Volts each, for a single string of 48 ⎌Volts (6 Volts x 8 batteries = 48 Volts).
You can choose to upgrade by switching to (8) Trojan T105, 220 Amp Hour batteries @ 6 Volt each, or by doubling the number of batteries in your bank. This will increase your energy storage. There are a few options if you wish to do this:
You can choose to upgrade by switching to (8) Trojan T105, 220 Amp Hour batteries @ 6 Volt each, or by doubling the number of batteries in your bank. This will increase your energy storage. There are a few options if you wish to do this:

 Upgrade to (8) Dyno D350, 350 Amp Hour batteries @ 6 Volts each, for a single string of 48 Volts. This will give you approximately 30% more storage capacity than the D105.
 Upgrade to (8) Trojan L16REB, 370 Amp Hour batteries @ 6 Volts each, for a single string of 48 Volts. This will also give you approximately 30% more storage capacity than the T105.
 Upgrade to (16) Dyno D350 batteries. This will give you a configuration of 2 strings of (8) 350 Amp Hour batteries, for a combined total of 700 Amp Hours @ 48 Volts.
 Upgrade to (16) Trojan L16REB batteries. This will give you a configuration of 2 strings of (8) 370 Amp Hour batteries, for a combined total of 740 Amp Hours @ 48 Volts.