The Aspen Battery for Home Energy Storage

Our clean and safe saltwater batteries are powering homes around the world.

The Aquion Aspen battery is a safe, clean, and affordable saltwater battery that outperforms traditional battery chemistries. The Aspen home battery contains no heavy metals or toxic chemicals and is non-flammable and non-explosive, making them the safest batteries in the world and the ideal choice for home battery storage.

Available in 48-volt and 24-volt models, Aspen home batteries are modular building blocks that can be configured for a wide range of battery bank sizes.

Aspen 48S Battery

Operation & Performance

Chemistry: Aqueous Hybrid Ion (AHI™)
Energy: 2.2 kWh (at a 20 hr discharge)
Cycle Life:  3,000 cycles (to 70% retained capacity)
Operating Temperature: -5 to 40°C ambient
Nominal Voltage: 48 V
Usable Depth of Discharge: 100%
Round Trip Efficiency: >90%

Physical Characteristics

Dimensions: 935 x 330 x 310 mm (36.8 x 13.0 x 12.2″)
Weight: 118 kg (260 lbs)

Certifications

Cradle to Cradle Certified™ Bronze
UL recognition & CE marking in process

Warranty

Limited Warranty: 5-year full plus 3-year prorated

Aspen 24S Battery

Operation & Performance

Chemistry: Aqueous Hybrid Ion (AHI™)
Capacity: 83 Ah (at a 20 hr discharge)
Cycle Life:  3,000 cycles (to 70% retained capacity)
Operating Temperature: -5 to 40°C ambient
Nominal Voltage: 24 V
Usable Depth of Discharge: 100%
Round Trip Efficiency: >90%

Physical Characteristics

Dimensions: 935 x 330 x 310 mm (36.8 x 13.0 x 12.2″)
Weight: 118 kg (260 lbs)

Certifications

Cradle to Cradle Certified™ Bronze
UL recognition in process
CE marked

Warranty

Limited Warranty: 5-year full plus 3-year prorated

battery technology presentation

“The ability to fully discharge the Aquion system to 100% was a key factor in our choice of batteries.”

– Bill Roberts, Director, ESS

The Aspen Name

Like Aspen trees, Aquion batteries absorb sunlight for energy, are straight, tall, stationary, and earth-friendly, made of clean, safe, and abundant materials.

See the Whole Story

PROJECT SPOTLIGHT

See how our batteries are powering a luxury home outside of a utility’s service territory in California.

redwood gate ranch

PROJECT SPOTLIGHT

See how our home batteries are replacing lead acid with less expensive, more efficient off-grid power.

off grid residential project