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Rubix Giga Stack Series RGS51205 10.5kWh 205Ah 48V LiFePO4 Battery

$2,375.08
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(5 ratings)
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  • Reviews (5)
  • Questions (1)
ok so my husband set this up with our solar panels after last year's ice storm knocked out our power for 6 days. we were NOT going through that again lol. its been running perfect since april. we run the fridge, some lights, and the TV off it at night no problem. honestly dont even notice the difference from grid power. customer service was really helpful when we had a question about the wiring. 5 stars no question
my battery lives in a pretty cramped mechanical room alongside the water heater and pressure tank. space is tight and I was worried about anything bumping into the terminals. the lid completely solves that. fits snug, doesnt pop off if something nudges it, and the base means the whole unit sits flat and level even though my floor definitely isnt. for a small accessory it made a real difference in how comfortable I feel about the install. happy with it
converted a sprinter van and spent a long time going back and forth on which battery to go with. ended up here and zero regrets. runs my fridge 24/7, a diesel heater controller, lighting, laptop, and a small inverter for the occasional power tool. been fulltime in the van since June and drove through the desert in July — temps inside the van were brutal but the battery was totally fine. charges fast with my 600W roof array. fits perfectly in the cabinet I built too, dimensions are exactly as listed which sounds obvious but some brands are off. love this thing
got this with my second battery and man it makes the whole thing look so much more professional. the base grips the floor real good, no wobble at all. lid snaps on tight. nothing complicated just does exactly what its supposed to do. if you got more than one of these batteries just buy the base and lid you wont regret it
frank
07/14/2025
how many of these can i stack together
A1 SolarStore
Great question! The RGS51205 allows you to stack up to 4 units together, which would give you a pretty impressive 42kWh of total storage capacity. That's more than enough for most residential setups and even some light commercial applications. Just keep in mind you'll need the base and lid unit — those are sold separately but are required for installation.

Specification

AMP Hours205 Ah
Battery Voltage LevelLow voltage
Scope of Application
  • Solar
  • Home Backup
  • Energy Storage Systems (BESS & ESS)
  • Industrial & Commercial ESS
US MadeUS Made
Voltage48 V
ChemistryLiFePO4
Dimensions LxWxH40 x 30 x 22 in
Weight199 lbs
ManufacturerRubix
Manufacturer Part #RGS51205
Operating Temperatures 32°F to 120°F
Warranty12 years

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