FIRMAN Expansion Batteries
Vendor:
FIRMAN Power Equipment
Sale price$849.99
Title:
Default Title
Brands
Solar Generators
View all Solar Generators
EcoFlow GeneratorsDELTA Pro Ultra XDELTA Pro UltraDELTA Pro 3DELTA ProDELTA 3 SeriesDELTA 2 SeriesRIVER 2 SeriesPower Kits
Power more than the basics.
Explore larger systems for refrigerators, outlets, lights, well pumps, and essential home circuits.
Estimate runtime before buying.
Add your appliances, wattage, and backup goals to find a practical size range.
Shop Solar GeneratorsSolar Panels
View all Solar Panels
Panel AccessoriesExtension CablesSolar ConnectorsMounting BracketsCharge ControllersSolar Panel Kits
Series or parallel?
Learn how voltage, current, and solar input limits affect your panel setup.
Estimate solar needs.
Use your daily watt hours and sun hours to size your panel array.
Shop Solar PanelsInverters
Batteries
Components
View all Components
Solar ComponentsCharge ControllersMPPT ControllersPWM ControllersSolar ConnectorsSolar Extension Cables
Popular AccessoriesBluetooth ModulesGenerator CordsParallel ConnectorsY Branch ConnectorsAll Accessories
Regulate solar charging.
Match your panels, battery voltage, and charging current before choosing a controller.
Need the right cable?
Send us your product models and we’ll help check the correct accessories.
Shop ComponentsHelp Me Choose
Need help?
Talk to a real power expert before you buy.Tell us what you need to power and we’ll help point you in the right direction.
1-844-747-6767
Mon–Fri • 9 AM – 8 PM ET
