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Renewable Energy
Systems & Componets

COMPLETE SYSTEMS

SOLAR PANELS

INVERTERS

TRACKERS & MOUNTING SYSTEMS

BATTERIES

CABLES
& WIRING

ELECTRICAL ENCLOSURES & SAFTEY

CHARGE
CONTROLERS
METERS, COMM.S & SITE ANALYSIS
DC TO DC VOLTAGE CONVERTER INVERTER POWER PANELS
 

SOLAR WATER PUMP

 


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PRODUCTS
Batteries
Batteries: Flooded Lead Acid
Batteries: Sealed Agm
Batteries: Sealed Gel Cell
Desulfators
Enclosures
Ventilators/Battery Fans
Watering Caps

Books, Classes & Educational Videos

Classes
Educational Videos
General Renewable
Micro Hydropower
Solar Electric and Passive Solar
Solar Hot Water Systems
Wind Energy

Cables & Wiring

Battery Interconnects
Battery To Inverter
Tools
Wire By The Foot
Wiring For Solar Panels

Charge Controllers

Solar Charge Controllers
Solar Lighting Controllers
AC Charge Controllers
Constant Voltage Regulator
Diversion Load Controllers
Temperature Sensors

Composting

BigBelly Compactor
Compost Toilets
Garden Composters

DC Voltage Converters

Enclosures, Electrical and Safety

Electrical Enclosures
Lightning Protection
Miscellaneous Electrical Parts
NEC Compliant Safety Labels
Outback Flexware Components
Overcurrent Devices (Fuses & Breakers)
Switch Gear Disconnects

How To Section
Inverters
Export Inverters (230V 50Hz)
Inverter Accessories
Marine Inverters
Mobile / RV Inverters
Off-Grid: (No Utility-Needs Batteries)
On-Grid & Off-Grid Capable Inverters
On-Grid: (Grid Intertie-No Batteries)

Kits and Package Deals

Grid-Tied Systems
Grid-Tied with Battery Backup
Off-Grid Cabin Systems
Off-Grid Residential Systems
Other Packages and Special Deals
RV Solar Packages

Meters, Communications
& Site Analysis

Data Communications
Meters & Battery Monitors
Shunts
Solar Site Analysis Tools
System Monitors
Wind Data Instruments

Portable Power

Solar Panel Mounts & Trackers

Active Trackers
Ground Mounts
Passive Trackers
Roof Mounts
RV & Specialty
Side Of Pole
Top Of Pole

Solar Panels

1 to 50 Watt Solar Panels
51 to 99 Watt Solar Panels
100 to 149 Watts Solar Panels
150 Watts & Up Solar Panels
Flexible / Rollable Solar Panels
Foldable Solar Panels
Solar Panels by the Pallet
BIPV - Building Intergrated Photovoltaics
Solar Electricity Education

Wind Turbines

VAWT Wind Turbines (Electric)
HAWT Wind Turbines (Electric)
Wind Turbine Towers
Wind Data Instruments
Wind Power Education

RENEWABLE ENERGY SYSTEMS & COMPONENTS

Proper protection and storage of a battery bank

Installing Batteries - Considerations for An Off Grid System

Commercially built battery enclosure that has a lockable door and uses passive venting.

Batteries must be protected from the elements. If freezing temperatures are expected, the batteries can be buried below the frost line in a water-tight enclosure or in a building where the temperature will remain above freezing. If the batteries are buried, a well-drained location should be selected and a drain hole provided in the battery enclosure. Batteries should not be set directly on concrete surfaces as self discharge will be increased, particularly if the surface gets damp. Adequate venting must be provided to minimize explosion hazard if open-cell batteries are used. Consider using battery fan which will not ignite the hydrogen and oxygen gas that is naturally produced during the charging process. Any battery should be stored in a location where access is limited to knowledgeable personnel. Never allow unsupervised children or pets near batteries.

Commercial battery enclosures may be available but are usually more expensive than making your own. However, commercial grade battery enclosures can make an installation safer, cleaner and often more secure than most home brew enclosures. For small systems, a heavy-duty plastic tub may serve as an inexpensive alternative. Be sure it will withstand direct sunlight if the batteries are to be installed outdoors and above ground.