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Protect your auxiliary battery bank from self-discharge with the Sterling Power BM24121 24V to 12V 3A smart battery maintainer. Replacing high-draw voltage sensitive relays, this advanced unit uses silent solid-state FET technology to draw less than 1mA of standby power, making it perfect for low-current solar or wind power installations. It automatically engages at a safe threshold to step down and route excess power, providing reliable current-limited trickle charging for your 12V bank.
| • SOLID STATE FET DESIGN: Utilizes advanced electronics to eliminate mechanical contact wear
• TWENTY FOUR TO TWELVE VOLT STEP DOWN: Converts higher input power to maintain lower voltage banks safely • ULTRA LOW STANDBY DRAW: Consumes less than one milliamp to preserve solar current inputs • AUTOMATIC THRESHOLD ENGAGE: Activates the charging loop when main line reaches correct levels • INTELLIGENT CURRENT LIMIT: Protects internal circuits from high engine starter motor surges | • SILENT NOISELESS OPERATION: Eliminates the constant clicking common with voltage sensitive relays
• TRICKLE CHARGING EFFICIENCY: Keeps auxiliary banks topped up against internal self discharge • LIGHTWEIGHT COMPACT CASING: Weighs only two hundred fifty grams for easy mounting anywhere • IDEAL SOLAR ASSISTANCE: Directs low generation power streams to secondary banks perfectly • FAIL SAFE POWER BALANCE: Supplies precise low current to step down and keep equipment primed |
