Dengyo (DENRYO) Solar Charge/Discharge Controller SolarAmp B / SA-BA10 (12V・10A). New and unused, only opened for photography. Box and main unit only (as pictured). Compatible: 12V lead-acid batteries only (flooded/sealed, etc.) Rated: Max 10A (charge/load) Terminals: [Solar] +/-, [Battery] +/-, [Load] +/- Functions: Charge control, load ON at night (LOAD terminal) *Direct connection to the battery is recommended for continuous power supply. Size: Small and space-saving (see box photo) Wiring order: 1) Battery → 2) Panel → 3) Load. (Reverse order for removal). *Incorrect polarity or connecting the panel first can cause malfunction or failure. *Not compatible with lithium-ion batteries. Please prepare a waterproof box for outdoor installation. Operation has not been confirmed as it is unused. Please understand the initial condition. Instant purchase OK. Search tags: Dengyo DENRYO SolarAmpB SolarAmp B SA-BA10 SA BA10 Solar charge controller charge controller charge controller charge/discharge controller solar controller 12V 10A DC12V solar power generation off-grid power storage lead-acid battery lead-acid battery load terminal night lighting illuminance sensor camping car camping disaster prevention