OptiMate 2 DUO x 4 BANK

OptiMate 2 DUO x 4 BANK

メーカー希望小売価格 ¥57,200

BRONZE series: 5-step 12V / 12.8V 2A sealed battery maintainer x4

SKU: TM-577 Category:


OptiMate 2 DUO QUAD bank, the powerful ‘no brainer’ 4-bank battery maintainer for the hi-technology battery in any of your vehicles – The dealer’s choice for busy workshops!

The 4 bank battery charger is ideal for 4x 12V lead-acid and 12,8V / 13,2V lithium LFP batteries.Ideal for 4x 12V lead-acid & 12.8V / 13.2V lithium LFP (LiFePO4) batteries.
The 4 bank battery charger can independently charge, test and maintain 4 x 12V lead-acid and 13,2 lithium LFP batteries.Independently charge, test and maintain 4 x 12V lead-acid (STD, AGM, GEL) / 13.2V lithium LFP (LiFePO4) batteries – Batteries are always ready to perform.
The 4 bank battery delivers 2 Amps charge current recommended for maintenance of: side by side UTV, cars, pick up trucks, lawn mowers, marine and touring motorcycles.Delivers 2 Amps charge current recommended for maintenance of larger batteries.
The steps for long term maintenance: Connect, charge and maintain.
Charges and delivers long term maintenance – Connect to the battery and OptiMate 2 DUO QUAD bank does the rest, no supervision required!



Adapts automatically to Pb or LFP battery.

Safe to leave connected. Full electronic protection.
Maintains battery at full charge and good health.
Low Volt Start of 4V.
Warns when battery damage is detected.
Energy saving technology.
Stand-by power less than 0.5W.
Efficient 24-7 battery maintenance.
Weatherproof. Rated for use down to -40°C / -40°F.



The OptiMate 2 DUO is suited for charging 12V lead acid and 12.8V / 13.2V Lithium (LifePO4 / LFP) batteries.

The OptiMate 2 DUO can be used for 12V lead-acid (STD, AGM and GEL) and 12.8/13.2V lithium (LiFePO4 /LFP) batteries, used for engine start & deep cycle applications. For batteries from 6Ah to 96Ah for 24-7 battery maintenance. Can recharge batteries up to 48Ah within 24hours

The time required for the OptiMate 2 DUO to complete a charge on a flat but otherwise undamaged battery is roughly equal to 0.5x the battery’s Ah rating, so a 42Ah battery should take no more than about 21 hours to progress to Step 4. Deep-discharged batteries may take significantly longer.

No, the adaptive program adjusts to the battery type.

Yes, even if the batteries are connected in series they can still be charged without being disconnected from each other.

Connect a charge bank to each battery individually, as if the batteries are not connected to each other. Each charge bank works independently with only the battery it is connected to.

If the batteries are in similar condition and charge level, you can expect that charging progresses at the same speed.

If the batteries were completely discharged and neglected for a period of time, charging completion may be different for each battery.


Includes 2 battery connection cable accessories per bank

  1. Battery lead (replacement SKU O-01) – fits to battery in your vehicle for convenient ‘quick-connect’ charging access.










Adjustable: Fits two bolt sizes

  2. Battery clips (replacement SKU O-04) –

Fits securely to square, round or flat battery posts.



In store packaging



Available models are listed below. 

All OptiMate battery chargers listed below accept global input of 100-240Vac 50-60Hz, only the power plug TYPE is different to comply with national / regional electrical safety laws.

TYPE A – Canada / United States of America

TYPE C – Europe

TYPE G – United Kingdom


MSRP = Manufacturer Recommended Retail Pricing is displayed above. (Currency selector > top right).
Price in EURO and GBP include VAT of 20%. VAT in your region may differ. Price in USD and CAD do not include sales tax.

TecMate do not sell product directly to the consumer. Find your nearest retailer by selecting the appropriate model below.

Model: OptiMate 2 DUO x4 BANK

SKU: TM-574


SKU: TM-575



SKU: TM-575


SKU: TM-576


IDEAL FOR: 4X AGM, GEL & STD 12V batteries from 6 – 96Ah // Lithium (LiFePO4) 12.8/13.2V batteries from 2 – 24Ah

CHARGING AMPS: 2A (constant current, per bank)

CHARGING VOLTS: nominal: 12V & 12.8V range: 4V – 14.4V

OPERATION:  Fully automatic


FEATURES: Adapts automatically to Pb or LFP battery. 4x 24-7 safe long term maintenance.

USE: Indoor / Outdoor  (lowest temperature: -40°F / -40°C).

INPUT: Global (100-240V 50-60Hz), high efficiency (CEC listed).

STYLE: Weatherproof case with wall mounts, with 6ft / 180cm AC supply lead and 4 x 6ft / 180cm charge lead ending in SAE connector.

SAFE: No 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.

INCLUDED: 4x weatherproof battery lead & 4x battery clip set.

WARRANTY: 3-year limited replacement warranty.