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Optimate 4 Smart Charger

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OptiMate 4 - Sealed Microprocessor Desulphating Charger Maintainer Tester 12V

Longer Battery Life

The most ADVANCED & TRUSTED battery charger in power sports! 

OptiMate 4 Dual Program includes two charging programs; program 1 is for direct charging of a battery, program 2 allows safe and unsupervised charging through a BMW motorcycle’s CAN-bus controlled 12V socket. OptiMate 4 Dual Program tests before & after charging and can recover a ‘dead-flat’ battery from as low as 0.5 Volts.

Special features in CAN-bus program:

Automatic KEY-LESS activation and continued maintenance until charger is disconnected.Safe low voltage pulse desulphation.


  • CHARGING AMPS: 1A (constant current) 
  • USE: Indoor / Outdoor  (lowest temperature: -40 Degrees Fahrenheit / -40 degrees Celsius ).
  • SAVE: Low Volt Start of 0.5V + 2-step* desulphation recovery (1-step low volt pulse save during CAN-bus mode).
  • IDEAL FOR: STD, AGM & GEL 12V batteries from 3 – 50Ah.
  • INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed), fully sealed.
  • STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector. Weatherproof battery lead & standard battery clip set included.
  •  SAFE: No risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected. 3-year limited replacement warranty.


  • Instruction Manual
  • Battery clamp connector lead (50cm long) with SAE compatible connector
  • Weatherproof Permanent connector lead (50cm long) with 5 Amp fuse with SAE compatible connector