OPTIMATE 4

Unique : diagnoses, recovers, charges, checks & maintains safely, for months.

Optimate IIISP is the most advanced fully automatic diagnostic battery charger and maintainer for all 12v lead-acid batteries from 2,5 to 32 Ampere-hours capacity.
All major starter battery manufacturers recommend maintaining such batteries FULLY CHARGED during periods of non-use.
Optimate 4 is totally safe for months-long connection and maintenance of irregularly or seasonally used batteries even while still connected to the vehicle. No risk of over-charging. Electronically protected against user errors.
Just connect the Optimate 4 to your battery, the rest is automatic. There is no switch, no fuse… and there are no sparks. De-activates automatically if connections are broken


OPTIMATE 4 12v BATTERY CHARGER

£54.99