CTEK SmartPass 12v 120a 5 Stage DC/DC Battery Management System

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SmartPass is an energy management unit which controls and optimises the energy produced by various sources. Including solar and renewable energy, alternators and conventional AC/DC chargers. Distributing this energy to a battery bank or a load.

Combined with CTEK's innovative D250A Dual, the SmartPass provides optimal charging via CTEK's ground breaking staged charging cycles, which diagnose, protect and maintain the battery to its optimum level. SmartPass also adopts a battery guard (low voltage disconnect) which protects deep cycle batteries from damage due to total discharge. While ensuring critical equipment such as radio, emergency light and navigation systems are always functional.

SmartPass is a fully automatic energy management system which can handle up to 120a for batteries and battery banks between 28-800Ahr. The energy management system is IP65 classified. This is water jet and dust protected and approved for outdoor use. SmartPass is compatible with all types of 12v lead-acid batteries including; Wet, MF, Ca/Ca, Gel and AGM.


Max Charging Current: 120a
Back Current Drain: <1Ah/month
Ripple: <4%
Ambient Temperature: -20 to +50 Degrees Celsius (output power is reduced automatically at high temperatures)
Battery Types: All types of 12v lead-acid batteries (WET, MF, Ca/Ca, AGM and GEL)
Battery Capacity: 28-800Ahr
Dimensions: 192 x 110 x 65mm (L x W x H)
Insulation Class: IP65
Weight: 0.71kg

Product brochure / datasheet can be downloaded by clicking the PDF icon just below the main image.


Product Videos

Model # SMARTPASS 120


CTEK offers 2 year manufacturer warranty on this product. Warranty will be void if:

Charger has been used with much higher current and or voltage than designed for and specified in models specifications sheet.
Clear signs of heat on any of the CTEK casing, cables or circuitry.
Used with incorrect voltage or incorrect battery types.
Visible signs of impact or water damage.
CTEK product has been opened by a non CTEK authorised engineer or agent.

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