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OptiMATE 4 Dual, TM-341, Program 9-step 12V 1A Battery Saving Charger-Tester-Maintainer

SKU TM-341
by TecMate
Original price $90.86 - Original price $90.86
Original price
$90.86 - $90.86
Current price $90.86
in stock

Are you tired of having to buy separate chargers for different types of batteries? The OptiMATE 4 Dual, TM-341, Program 9-step 12V 1A Battery Saving charger-tester-maintainer is the solution you need. With its dual charging and maintaining capability, this charger can handle both lead-acid and lithium batteries, making it the perfect choice for anyone who owns multiple types of vehicles or equipment. This charger is easy to use, with simple controls that allow you to select the charging mode you need. Plus, its compact design makes it easy to store when not in use. Get the OptiMATE 4 Dual, TM-341, Program 9-step 12V 1A Battery Saving charger-tester-maintainer today and start enjoying the convenience of a single charger for all your batteries.

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Unique FeaturesOptiMate 4 Dual Program tests before & after charging and can recover a ‘dead-flat’ battery from as low as 0.5 Volts.
IDeal ForAGM, GEL & STD 12V batteries from 3 – 50Ah
Charging Amps1A (constant current)
Charging VoltsNominal: 2V range: 0.5V – 14.4V
OperationFully automatic
Warranty3-year limited replacement warranty.
UseIndoor / Outdoor  (lowest temperature: -4°F / -20°C).
InputGlobal (100-240V 50-60Hz), high efficiency (CEC listed).
StyleWeatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 6ft / 180cm charge lead ending in SAE connector.
SaveLow Volt Start of 0.5V + 2-step* desulphation recovery (*1-step low volt pulse save during CAN-bus mode).
SafeNo risk of overcharging. Totally safe for vehicle electronics. Sparks suppressed. Safe for long-term battery maintenance. Automatic shut-down if short-circuited or battery disconnected.
IncludedWeatherproof battery lead & battery clip set.


What does the dual program mean on the Optimate 4?OptiMate 4 Dual Program includes two charging programs; the standard program is supposed to be used when connecting directly to the battery, the CANbus (BMW) program allows charging and maintaining via the DIN socket on BMW Motorcycles (models 2004 and later)
Does Optimate 4 have a battery recovery program?Yes, the standard program has the most advanced recovery program which saves 'dead flat' sulphated batteries from as low as 0,5V.
Which program do I need to select to charge over the 12v socket on my BMW?You'll need to select the CANbus program to charge via 12V socket on your BMW motorcycle.
There is no selection button. How do I switch program?

Unplug the OptiMate, connect the clamps together, wait for the LED's to confirm program change (the LED's start to blink fast after 10 seconds) disconnect clamps. See picture on back of charger.

What's the difference with the Optimate 4 Canbus edition?CANbus edition is delivered with OptiMate adapter O-09 which fits 12V sockets. Dual Program is CANbus compatible but will standard be delivered without this adapter.
I want to use my Optimate Dual over the 12v socket. Which additional connector do I need?You will need one of the OptiMate BIKE plug cables (O-02, O-09, O19 or O-29)
What type and size batteries does optimate 4 charge?STD, AGM and GEL 12V lead-acid batteries used for engine start & deep cycle applications. (Link: Learn here about batteries, this will be at For batteries from 3Ah to 48 Ah for 24-7 battery maintenance. Can recharge batteries up to 24Ah within 24 hours.
How fast does Optimate 4 recharge batteries?Charge time on a flat but otherwise undamaged battery: a 12Ah battery should take no more than about 12 hours to progress to the self-discharge check. Deep-discharged batteries may take significantly longer, a full charge may not be achieved within the hour charge safety limit. In this case.


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