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


4.7 / 5
Bang For The Buck
4.5 / 5
5 / 5
4 / 5
Fit & Finish
5 / 5
Product Style RevZilla Item # Manufacturer Product # Availability
TecMate OptiMate 4 Dual Program Battery Charger 869386 TM241 In Stock: Ships next business day


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4.8 / 5.0
12 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Bang For The Buck
4.6 / 5
5.0 / 5
5.0 / 5
Fit & Finish
5.0 / 5
Bang For The Buck
5 / 5
Easy to use
I thought the unit would require much input from the user as it has a lot of features. Once the unit is connected to the battery, it is just plug and play. It does all the work and decides how best to charge your battery. I've had it plugged in continuously to my bike, and the unit does not over heat.
February 11, 2013
2012 Ducati Monster 696
Bang For The Buck
4 / 5
CanBus Charging
I was looking for a charger that would work with my CanBus system and after looking into BMW chargers that were over the top on price I found this little gem that works out perfectly.
April 9, 2015
2014 BMW F800GS
Bang For The Buck
4 / 5
Good choice for slow charge
I first used this on a nearly 100% dead sealed battery. I plugged it into a power lead that I already had installed on my bike and it worked well. This is a low amperage charger so it took nearly 2 days to charge to full.
I would have given it 5 stars, but the indicator lights are a bit confusing, so for the first several hours I wasn't sure if it was charging or not. They could have designed this better, but would probably mean adding a few more lights and increasing the cost.
July 8, 2015
1 year ago
1994 BMW K75S ABS
Bang For The Buck
4 / 5
5 / 5
5 / 5
Fit & Finish
5 / 5
Nice Electronic Features, Easy to Use
I purchased the OptiMate 4 since it was one of the brands recommended in my Ninja 300 owner's manual and highly recommended by other reviewers. I used it for the first time today, since my bike had not been run for about 8 days due to a vacation trip.

My first experience was very positive. It fired right up and the Optimate:
- Confirmed the program was set properly for my bike
- Checked my battery was in a rechargable condition
- Automatically started with a "surge" program shifting between 0.2 and 0.8 amps to give it quick boost
- Automatically shifted to 0.2 amp pulse (trickle) charge
- Automatically ran a 30 min diagnostic to confirm the battery would hold charge

Now I can hop on and know that the battery is fully charged and in good condition. It was all super easy!
September 12, 2016
Bang For The Buck
4 / 5
Does everything Automatically
I did tons of research to find a charger that suited my bike. Triumph has their own version but as it turns out theirs is wrong due to SAE/BMW connections. The Optimate 4 does everything that the Triumph 3 version does except it is rated for cold weather, costs less at Revzilla, and has the proper SAE connectors.

This tender does everything on its own although the directions are complicated. Just plug it in and leave it there as long as you want. I have been using it for quite some time.
December 1, 2015
2014 Triumph Bonneville T100
Bang For The Buck
5 / 5
No brain charger
Before I knew what I was doing, I let my battery die.
Bought this, plugged it in and was back in business.
Ran a lead from the battery to the back seat compartment and keep the Ninja charged when not riding.

Sad now, it's in the garage for the winter. Maintain light is on so I know it'll start in the spring.
December 7, 2015
2013 Kawasaki Ninja 300
Bang For The Buck
5 / 5
Great product, highly recommended! Super easy to use and cheap in power consumption. Wired it directly to the battery with the provided cord. Best bang for the buck!
February 17, 2014
2013 BMW F800GS
Bang For The Buck
5 / 5
I store my Ducati S2R in a non heated shed and believe the weather to be a major factory in my batteries drain. Living in NYC I put the bike recommend
Highly recommend after sitting for 2 months in a cold shed. Started up stron just after a 2 hr charge
February 16, 2015
Bang For The Buck
5 / 5
Great battery charger/maintainer!
I like this charger a lot! It's simple, plug it in and there ya go. I was looking for a charger to maintain my battery threw winter months with a quick connect cord for ease of maintenance from here on. After reviewing all chargers out there I kept coming back to this one. Most major Moto manufacturers recommend this charger (Yamaha, which I ride) and a couple even have there names on this charger, that tells me something! It really is easy to understand - It test, red bad, yellow not so bad, green good, it charges as needed then test again. Simple! After initial test and charge, it test every hr and keeps a full charge on battery without a constant trickle charge, I like that to. Installation is easy of quick connect cord (a must) and everything is great quality. So far it has worked perfect for me and now with the quick connect cord hooked up I don't have to raise the tank on my FZ6 to get to my battery for testing and charging. I like it! Thanks Revzilla!
January 19, 2013
2008 Yamaha FZ6
Perfect for maintaining battery.
This is an excellent product, works flawlessly. I had a problem
with a car that doesn't get driven everyday and the battery running down, would still start, but was sure it was hurting the
life of the battery.. The Optimate 4 ran through the whole
diagnostic and charge procedure like clockwork and now
is in maintenance mode. Saves having to buy an expensive
replacement battery.
I also, have the optimate 1 on my motorcycle, its perfect too.
December 23, 2013
1973 Norton Commando 850 MK2
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Why did you choose this?
RevZilla Store
I have used their products in the past and they were very high quality.
charles h on Sep 1, 2016
Currently using a battery tender on a new battery. The battery is only chargingcto 85 - 90% needed a charger that would maintain 100% charge.
Darryl F on May 22, 2016
I have used their products in the past and they were very high quality.
charles h on Sep 1, 2016
Great charger, When I get my new garage I'm going to the 4 bike model!
timothy l on Aug 23, 2016
Currently using a battery tender on a new battery. The battery is only chargingcto 85 - 90% needed a charger that would maintain 100% charge.
Darryl F on May 22, 2016
I own two others, but have three bikes. Need to keep them all charged and ready to go.
Kevin M on Mar 8, 2016
THOMAS V on Jan 22, 2016
Good reviews. Recommended for BMW Can Bus should I go that route in the future. For now, it's direct connect on my BMW S1000RR...
Travis K on Jan 10, 2016
I chose this based on the advice of moto vlogger Shaun Smoke.
George A on Dec 14, 2015
great product and is can-bus for my bmw
debbie l on Sep 24, 2015
recommended by yamaha dealer for wave runners.
Monica J on Jul 10, 2015
Great reviews and had the features I wanted.
Leon G on May 2, 2015
Get the old one going, keep the new one going!!
Richard B on Feb 20, 2015
Seemed to be the best - offered advanced battery conditioning capabilities.
Thomas K on Feb 3, 2015
it works wonderfully with my beemers
Ron S on Jan 29, 2015
Friend recommendation and good pricing. Free shipping never hurts.
Curtis G on Jan 19, 2015
I wanted the best charger to extend the life of my battery.
Floyd J on Sep 28, 2014
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.
CakeEater on Jun 6, 2014
Past experience, good product
Peter L on Dec 2, 2013
Great charger, When I get my new garage I'm going to the 4 bike model!
timothy l on Aug 23, 2016
I own two others, but have three bikes. Need to keep them all charged and ready to go.
Kevin M on Mar 8, 2016
Can I use this on a HD iron 883?
RAFAEL C on Sep 7, 2016
BEST ANSWER: Printed on your battery will be the battery type. Per the manual. the Techmate Optimate charger is designed to be used with 12 volt lead acid batteries (standard, AGM-MF, or GEL type). It is not to be used with NiCd, Li-ion, or non-rechargeable batteries. It works well but I don't know your battery type.
Wonder if this charger will fit the o.e.m. Plug on a Harley?
A shopper on Oct 18, 2016
BEST ANSWER: Yes It fits the standard plug that came on my 2015 HD Forty Eight.
Does this charger come with the plug for the BMW accessory socket? Thanks!
A shopper on Nov 19, 2015