The new reference for total battery peace of mind. Truly unique diagnostic
battery optimiser for 12V lead-acid batteries up to 50Ah, whether sealed
maintenance-free, gel, or "flooded" type with filler caps.
The stylish, sealed, weatherproof OptiMate 4 and its stunning new LED control
panel are just the introduction to "The New Reference". Like all OptiMate models
before it, the micro-processor controlled OptiMate 4 can save neglected
The OptiMate 4 is even more effective, with a new dual-stage RECOVERY + TURBO
RECOVERY action. For modestly neglected deep-discharged batteries the RECOVERY
mode engages automatically, while the TURBO RECOVERY mode engages for more
severely neglected batteries.