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TecMate OptiMate 4 Dual Program Battery Charger
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TecMate OptiMate 4 Dual Program Battery Charger

The TecMate Optimate 4 features a weatherproof enclosure with built-in wall mounts, improved energy efficiency and cables good down to -40 degrees, the OptiMate 4 DUAL PROGRAM is ideally suited to all powersport vehicles especially those used on water and in the cold. Tested, proven and endorsed by numerous power sport vehicle OE’s and users world-wide. Recommended for STD (with removable filler caps), sealed AGM (absorbed glass mat) & sealed GEL 12V lead-acid batteries up to 50Ah. Fully automatic operation that includes all safety features such as reverse polarity protection, no spark connection and is approved to UL & CSA safety standards for automatic battery chargers.


  • Program 1 (default setting on this model) desulfates, charges, tests and maintains the battery
  • 10 second test at connection indicates your battery condition, a quick and easy ‘ride meter’ that will determine if you are ready to go or will have to charge the battery first
  • OptiMate 4’s proven multi stage desulfation program saves neglected batteries (as low as 0.5V) other chargers can't
  • Multi step program, that includes a unique cell voltage balancing step, guarantees the fastest and most complete charge
  • OptiMate 4 will maintain your battery safe and ready-to-go for months on end, with the extremely effective “charge and rest” maintenance program
  • Hourly battery condition tests monitors the battery and the current drain by the vehicle circuitry; a problem is indicated on an easy to understand light display
  • 10 second test at connection for a more hands on diagnosis of battery condition


  • Safe for 12V lead-acid batteries AGM/MF, Standard, & GEL batteries
  • 2Ah to 75Ah rated capacity
  • Fully automatic program control microprocessor with 6 stages
  • Reverse drain current less than 0.5mA
  • Output current (bulk charge 0.8A)
  • Automatic desulfation 2 stages (recovery and Turbo-recovery)
  • Charge time limit 48 hours (maintenance time: unlimited)
  • Maintain / test cycles 30 min/30 min (alternating hourly)
  • Charge retention test 5 possible results from ‘good’ to ‘bad’
  • Size 8 x 3 x 2 ½ inches (200 x 75 x 61 mm)
  • Weight (packaging 2lbs (3 lbs) – 0.9kg (1.3kg)
  • Wall mounting easy direct wall mounting
  • Input cable length 6ft (2m)
  • Output cable length 6ft (2m)
  • Operation temperature range From -40°C&F to 40°C/104F
  • 3 year warranty


  • SAE-71 weatherproof fused ringlet set
  • SAE-74 clamps set for bench charging


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TecMate OptiMate 4 Dual Program Battery Charger 4.7 5 33 33
Looks like quality kit Just purchased this charger and seems well made. Set up for canbus charging out of the box but can be switched to fast charge easily using battery clips. Wouldn't do this with battery in bike though. Directions are a little confusing- just keep re-reading them carefully. This will hopefully maintain my new Bmw battery through the winter. 2014 R1200GS November 11, 2014
Excellent Product!!!! Very easy to use, good constrution, durable!!!!! I used in multiple vehicules. November 4, 2014
Fantastic Charger! Ordered this charger after I left my bikes electrical systems on all night in the garage. After receiving the charger and setting it up I let the bike charge over night and was delighted to see the battery seemed as good as new. Have now done this a total of two times, this charger has more than payed for itself. I cannot really comment on the trickle charge functionality as I ride year round so I have no use in storing my bike. Overall, a very useful piece of gear, definitely a must have for any type of bike. October 20, 2014
Super Charger! This is perfect for charging BMW Canbus equipped motorcycles! Works as advertised. The BMW dealers chargers are very pricey, this works just as well for a lot less! Highly recommended! September 13, 2014
Works well, great value! I contemplated buying the OEM BMW charger for my new R 1200 GS-W but could not justify paying $100 more for the OEM charger. I was concerned after reading other reviewers who had dificulty understanding the directions for the Optimate 4, but it came pre set for the BMW CANbus system. It was just plug and play and works very well. It appears well made and is very easy to connect. A real value for a quality charger. Just remember that the directions are written for an international audience. That's why they may appear cryptic, but it's really quite simple to use. September 2, 2014
Nice, multipurpose charger I've used this charger for everything from a Porsche, connected via the cigar lighter, to a lawn mower, to an actual motorcycle. Following the mfrs guidelines for both the vehicles and the charger, I was able to top up any battery I've encountered. My only failure was a 10-yr-old battery that was so deeply discharged that it couldn't be saved. Highly recommend. August 25, 2014
Just plug it in. Easy to use. Specific model for BMW CanBus. Better value over BMW charger July 7, 2014
Excellent Does exactly what its supposed to do--just plug it in when the bike is in the garage, and forget about it. Your battery will always be topped off and in perfect condition. May 29, 2014
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Have a functionality, fit, or otherwise product-specific question about the TecMate OptiMate 4 Dual Program Battery Charger? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

TecMate OptiMate 4 Dual Program Battery Charger
Already Asked: 3 Questions, 15 Answers
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RevZilla Store asked: Why did you choose this?
Floyd J: I wanted the best charger to extend the life of my battery. Sep 28, 2014
Craig S: I bought this for my Triumph Tiger 800 ABS. Worked out perfectly for the winter with the bike stored in our garage. Directions were a bit confusing though...would be nice to have a how-to video on the site. Jun 6, 2014
Peter L: Past experience, good product Dec 2, 2013
Product Style RevZilla Item # Manufacturer Product # Availability
TecMate OptiMate 4 Dual Program Battery Charger 869386 TM241 In Stock: Ships next business day