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 units 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.

• Previous article number: 40-289
• Smart alternator compatible
• Delivers 120A for quick recharge of batteries 28-500Ah
• Compatible with D250SA and D250SE for the ultimate 140A power management solution
• Prioritizing critical consumers and supplies consumers directly from the alternato
• Start assistance function
• Battery separation eliminates diodes and VSR relays
• Fully automatic
• 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

More power to keep you travelling

• Can be fully integrated with D250SE charger
• Charge from your alternator while driving – 120A continuous alternator power for rapid service battery charging (28800 Ah)
• For 12V dual battery systems – vans, motorhomes & 4x4s