BRAND: Optimate

12V 2.8A / 6V 4A Automatic Lead Acid Battery Charger, Ideal for 7.5 ~ 120AH


Optimate 5 with 2,8Amps is the ideal all in one tool to care for medium to large 12V batteries. In a weatherproof sealed enclosure that includes wallmounts, the Optimate 5 will diagnose, recover, charge, test and maintain your batteries automatically. Recommended for STD (with removable filler caps), sealed AGM (absorbed glass mat) & sealed GEL 12V lead-acid batteries from 8Ah to 120Ah, although it can also maintain larger batteries (it will just take longer to charge) Why Optimate 5? Forgot to switch off the ignition / lights or did not hook up the battery to a maintainer during off-season and now the battery is ‘dead’? There is no need to rush out and buy a new battery as Optimate 5 has been proven to save neglected, deep discharged batteries other smart chargers can’t. Think that batteries only last 2-3 years? Optimate 5 has been proven to extend battery life to 400%; batteries can last 8 years if maintained with Optimate 5. To make this work always hook up OptiMate 5 to the battery when the vehicle is parked and it will safely maintain the battery at 100%, never overcharging, thanks to its unique 30 min charge, 30 min rest cycle during every hour of long term maintenance charge. Includes 2 connection accessories SAE-71 permanent ringlet connector with weatherproof cap & SAE-74 set of battery clips. Fully automatic operation that includes all safety features such as reverse polarity protection, no spark connection.



  • Recommended for: AGM / MF, STD, GEL and spiral cell batteries from 7.5Ah to 120Ah
  • Programme control: 5 stages, fully automatic
  • Input current max: 0.35A @ 230V
  • Typical annual energy cost: less than £1.00 per year (continuous maintenance)
  • Reverse drain current: less than 1 mA
  • Output current (bulk charge): 2.8A
  • Automatic desulphation: yes
  • Charge time limit: Safe to leave connected for months
  • Maintain / test cycles: 30 min/30 min (alternating hourly)
  • Charge retention test: 2 possible results - ‘good’ & ‘bad’
  • Size: 200 x 75 x 61mm
  • Weight: 900g
  • Enclosure classification: IP54
  • Mounting: easy direct wall mounting
  • Input cable length: 2m
  • Output cable length: 2m
  • Included Accessories: O1 (SAE-71) weatherproof eyelet lead; O4 (SAE-74) clamps lead for bench charging
  • Operation temperature range: -40°C / +50°C
  • Certification (230V model): TUV/GS conformity