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Sol Stack Battery

5.4kWh 51.2v LiFePo4 Stackable Battery Module

5.4kWh 51.2v LiFePo4 Stackable Battery Module

$1,250.00 USD
$3,300.00 USD $1,250.00 USD
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Delivery & Installation

Ideal for small backup power systems, or add in parallel with existing 5kWh batteries. 

  • Expand your existing Sol Stack Stackable battery in 5.4kWh modules
  • Should be used with Sol Stack Combiner Box which contains important fusing and safety features.
  • Designed for tropical climate with waterproof/non-corrosive features.
  • Manufactured on-island and supported island-wide.
  • Safe LiFePO4 chemistry, will not explode or thermal runaway.
  • Can be mounted outdoors (should not be exposed to direct rain)
  • Can be installed on wall, or floor mounted.

Data Sheets & Manuals

All SOL STACK battery configurations include bluetooth connectivity, digital monitor, and fast blow fuse for extra battery protection.

Compatibility & Common Questions

Sol Stack Batteries are compatible with most modern inverters designed to support a DC coupled battery. Support for 11 closed loop protocols, BMS can communicate with most modern inverters.

Our batteries are also compatible with other Lithium batteries, of LiFePO4 chemistry at 51.2 / 25.6v nominal.

See our Common Questions page for more about compatibility with systems, batteries, and installation options.

What's Included In the Package

1x 5.4kWh battery modules
Wall mount bracket
Parallel power cables (for connecting combiner)
10 year on-site service warranty

Delivery & Installation

Delivery and expert installation is available island-wide.  Typical delivery and install is within 5 business days of ordering, but can be longer for remote parts of the island.  Delivery is $150 island wide, and installation is $150. Installation price includes cables, assuming battery is installed within 3' of the inverter. Extra charge applies for disconnection and moving of existing batteries.

Pickup is available, with self-installation by any qualified person.

Learn more about delivery & pickup options

10 Year On-Site Warranty

First 5 Years

Covers all parts, and service calls for the first 5 years at no charge (except repairs required due to damage caused by improper installation, configuration or usage)

Years 6-10

Covers all parts, except BMS. Service call charge applies.

Warranty Terms & Details

Hazard Warning

When properly installed and configured, Lithium (LiFePo4 chemistry) batteries are safe and stable for solar energy storage.

SOL STACK batteries should only be installed, configured and repaired by qualified technicians.

Do not ever disassemble your SOL STACK battery. Improper handling can lead to short circuits that can be DEADLY and cause serious property damage.

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