OptiMate 7 Ampmatic

MSRP $159.89

SILVER series: 9-step 12V 10A sealed battery saving charger & maintainer


OptiMate 7 Ampmatic, the ‘SILVER series’ smart, powerful and fully automatic plug & play battery charger for the 12V lead-acid battery in your motorcycle, car / pick-up, boat or camper.

Ideal for 12V deep cycle lead-acid batteries found in the vehicles / craft above.


Fully automatic multi-step program brings the battery safely to full charge – Connect to the battery and OptiMate 7 Ampmatic does the rest, no supervision required!

More features:

Automatically adjusts current to match battery size and condition.

Temperature compensation: Voltage is adjusted higher when colder, or lower when hotter.
Safe to leave connected. Full electronic protection.
Maintains battery at full charge and good health.
Saves your ‘dead’ battery from as low as 0.5V.
Tests battery state of health.
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.

Available models:

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.



Ampmatic is a automatic ‘realtime’ adjustment of charge current to match battery size and condition – small battery gets less, large battery gets more. This is a standard feature on all chargers able to deliver 5 Amp maximum or more. OptiMate Ampmatic models are ideal multipurpose chargers for all sizes of battery.

Yes you can. The AmpMatic program automatically adjusts the charge current to match the size of the battery.

Indeed, the OptiMate 7 doesn't have a button to switch it off. Once the battery is fully charged, it will go into maintenance : test every 30 minutes and deliver some additional current when necessary.

STD, AGM and GEL 12V lead-acid batteries used for engine start & deep cycle applications. Link: Learn here about batteries, https://optimate1.com/battery-information/
Overnight charge (12h) : max battery capacity 95Ah. Max recommended size (24h) : 228 Ah

The time required for the OptiMate 7 to complete the charge of a 100Ah battery should take no more than about 10 hours. Deep-discharged batteries may take significantly longer.


Similar models with different features.

SKU: TM-25xx-SILVER Categories: ,



In store packaging


MSRP = Manufacturer Recommended Retail Pricing. 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.


OptiMATE 7 Ampmatic
SKU TM-255 
MSRP USD $159.89
OptiMATE 7 Ampmatic SKU TM-255
MSRP CAD $214.99
OptiMATE 7 Ampmatic
SKU TM-254
MSRP EUR €159.90
OptiMATE 7 Ampmatic
SKU TM-256
MSRP GBP £149.99


IDEAL FOR: AGM, GEL, STD, EFB & DEEP CYCLE 12V batteries from 3 – 240Ah.

CHARGING AMPS: 10A (Ampmatic current)

CHARGING VOLTS: nominal: 12V range: 0.5V – 14.4V

OPERATION: Fully automatic

Steps: 9











FEATURES: Saves batteries other chargers can’t, because it recognizes the difference between a discharged battery that needs charging and a dead flat sulphated battery that needs saving.

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 + 2-step desulphation recovery.

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.



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