OptiMate Lithium 4s 10A

MSRP $181.95

LITHIUM series: 10-step 12.8V 10A sealed battery saving charger & maintainer

OptiMate Lithium 4s 10A is the advanced battery charger, with TUNE mode for diagnostics or up-dating programming, for 12.8V/13.2V LiFeP04 / LFP batteries – The ultimate Lithium charger for race car owners!
The 10A lithium battery charger is recommended for race cars, race motorcycles, side by side UTV, cars, Porsche 911 Turbo S Charge and maritime.


Power reset rapidly re-energizes the battery.
bms battery management system of optimate lithium battery charger


Provides stable battery support during ECU programming / troubleshooting.
optimate lithium battery charger tune mode for vehicle tuning and troubleshooting


Fully automatic multi-step program brings the battery safely to full charge – Connect to the battery and OptiMate Lithium 4s 10A does the rest, no supervision required!
optimate lithium battery charger multi-step charge program




For Li-Ion 12.8V / 13.2V power sport battery types made with LiFePO4 / LFP technology.

Automatically adjusts current to match battery size and condition.

Safe to leave connected. Full electronic protection.
Maintains battery at full charge and good health.
Low voltage recovery from as low as 0.5V.
Tests battery state of health.
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.



OptiMate Lithium is recommended by Honda, Yamaha, Kawasaki, KTM and Husqvarna and global Lithium battery manufacturers Anti-gravity, Super-B and Earth-X.

You don't need to make a selection. No matter if you have a 12.8V or 13.2V lithium battery. The OptiMate 4s 10A will automatically and safely charge, test and maintain your battery.

Yes you can. The AmpMatic charge control for Lithium adjusts current to match the battery size and condition. Small battery gets less, large battery gets more.


Includes 2 battery connection cable accessories

  1. Battery lead (replacement SKU O-11) – fits to battery in your vehicle for convenient ‘quick-connect’ charging access.

Adjustable: Fits two bolt sizes


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


In store packaging

SKU: TM-27x Categories: , ,


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

Find my plug?        


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.

OptiMATE Lithium
4s 10A
SKU TM-275v2

OptiMATE Lithium
4s 10A
SKU TM-275

OptiMATE Lithium
4s 10A
SKU TM-274

OptiMATE Lithium
4s 10A
SKU TM-276


IDEAL FOR: Lithium (LiFePO4) 12.8/13.2V batteries from 3 - 120Ah

CHARGING AMPS: 10A (Ampmatic current)

CHARGING VOLTS: nominal: 12.8V range: 0.5V - 14.4V

OPERATION:  Fully automatic


FEATURES: TUNE mode delivers stable power for vehicle system reprogramming, show room vehicle demo or retaining memorised settings when battery cables are disconnected to fit powered accessories or replace the battery.

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 6ft / 180cm charge lead ending in SAE connector.

SAVE: Low Volt Start of 0.5V + 3 step low volt save & test.

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: weatherproof battery lead & battery clip set.

WARRANTY: 3-year limited replacement warranty.



Model up till 2019