Big Spring Savings at Susitna Energy this month.

Lithium Batteries in stock

UL Standard for Safety Testing Criteria

UL 157: Gaskets and Seals

UL 508: Industrial Control Equipment

UL 991: Tests for Safety-Related Controls Employing Solid-State Devices

UL 1642: Lithium Batteries

UL 1998: Software in Programmable Components

UL-1973: 2018 Batteries for Use in Stationary, Vehicle Auxiliary Power and Light Electric Rail (LER) Applications

LONGI 310 Watt Solar panels - $329 Special

LONGi Solar is a world leading manufacturer of high-efficiency mono-crystalline solar cells and modules. The company has its headquarters in Xi'an and branches in Japan, Europe, North America, India and Malaysia. With strong focus on R&D, production and sales & marketing of mono-crystalline silicon products, LONGi Solar is committed to providing the best LCOE solutions as well as promoting the worldwide adoption of mono-crystalline technology.

The LONGi Solar LR6-60HPB-310M has a black frame and black backsheet making it ideal for residential, commercial and utility applications where aesthetic appearances are priority. The Hi-MO3 high efficiency, low LID with half-cut Mono-PERC cells slow power degradation and also makes this module an excellent performer in low-light irradiance environments.

Positive Power Tolerance

0~+5W positive tolerance of maximum power guaranteed.

High Conversion Efficiency

Efficiency of 18.5%.

Excellent Performance in Low Irradiance

Outstanding power output in low irradiance conditions, such as dawn, dusk and cloudy days.


The Anti-PID solar cell processing techniques and encapsulating material make these ideal for installation in hot and highly humid areas

Adaptability to the Harsh Environments

Excellent anti-salt mist and anti-ammonia capability make these adaptable to harsh seaside environments.

Robust Frame, 35mm Thickness

Great pressure resistance with the ability to bear 2400Pa wind load and 5400Pa snow load.


  • 10-year product warranty and 25-year linear warranty.
  • Certified to UL 1703, IEC 61215 and IEC 61730
  • Manufactured in an ISO 9001/14001 certified facility.
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