CTEK Smartpass 120S DC/DC 120A Power Management System for 12V Starter Service Battery

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Power management system for starter and service batteries


Smartpass 120S is a 120A Power Management Solution which distributes, controls and maximises the available energy from your alternator to power service batteries and consumers. SMARTPASS 120S handles all 12V batteries between 28-800Ah. The Smartpass 120Ss Battery Guard function ensures that critical equipment such as radio, emergency lights and navigation systems always have power and take priority when the voltage on the service battery is low disconnecting non-critical consumers. The unit’s Battery Guard will protect your service battery from total discharge and built in over temperature protection reduces charge current before the battery temperature gets too high. SMARTPASS 120S is compatible with the D250SA and D250SE 20A on board chargers.

Features

  • Battery separation eliminates diodes and VSR relays
  • Fully automatic
  • Maximizes battery life
  • Battery Guard to protect your secondary battery from total discharge
  • Dynamic over current protection to handle temporary inputs and outputs of up to 350A for fast charging
  • Battery temperature protection for added safety
  • Splash and dust proof (IP65)
  • 2-year warranty

 

Technical data

Battery capacity
28–800 Ah
Charging category
DC charging
Back current drain*
Corresponding to less than 7 Ah/month
Back Current Drain, details
*) Back current drain is the current that drains the battery if the charger is not connected to the mains. CTEK chargers have a very low back current.
Battery voltage
12 V
Battery chemistry
Lead acid; Lithium-ion
Ambient operating temperature
-20 ˚C to +50 ˚C (- 4 °F to +122 °F)
Input
11.5–23 V, 120 A (350 A temporarily for 10 seconds)
Output
120 A (350 A temporarily for 10 seconds)
Battery types
12 V:; WET; MF; Ca/Ca; AGM; EFB; GEL; LiFePO₄
Degree of protection
IP65
Gross weight (unit in box)
0.9 kg
Dimensions (L x W x H)
192 x 110 x 65 mm
Net weight (unit with cables)
0.7 kg
Warranty
2 years
Warranty, info
Limited Warranty

CTEK Smartpass 120S DC/DC 120A Power Management System for 12V Starter Service Battery