Cars & Start-Stop Vehicles
Charge and maintain compatible 12V AGM and EFB batteries in vehicles with automatic start-stop technology.
TecMate USA
OptiMate5 Start-Stop v2
12V 4A Automatic Battery Saving Charger, Tester & 24-7 Maintainer
SILVER Series · Model TM221-4Av2
Keep your car, pickup, boat, or powersport battery ready between outings. Automatically recover, charge, test and maintain compatible 12V lead-acid batteries, including AGM and EFB batteries used in start-stop vehicles.
- Automatically charges, tests and maintains your battery
- Helps recover deeply discharged, sulphated batteries
- Keeps your battery ready between rides and during storage
- Fully automatic operation—no buttons or settings to select
Will it work for me?Not for lithium batteries. Check your battery’s voltage, type and capacity before connecting.
Price $95.99
Free Shipping
3-year limited replacement warranty
Is this the right product for you?
Pickups & Powersports
Keep compatible batteries in pickups, touring motorcycles, ATVs and side-by-sides ready between outings.
Neglected Batteries
Help recover deeply discharged, sulphated 12V lead-acid batteries, then automatically charge, test and maintain them.
What’s included?
- OptiMate 5 Start-Stop v2 Battery Charger
- Fused M6-M8 eyelet leadFor a connection you can leave installed
- Battery clampsFor quick connection to the battery
- Instruction Manual
Key specifications
- Battery voltage
- 12V
- Charging current
- 4A
- Battery Types
- Lead-acid: STD / flooded, AGM and GEL
- Battery Capacity
- 12Ah-160Ah
- Warranty
- 3-year limited replacement warranty
How do I use it?
Connect to your battery
Connect using the installed fused eyelet lead or supplied battery clamps, following the manual’s connection instructions.
Plug into power
Plug the charger into an AC outlet. Charging starts automatically—no buttons or settings to select.
Recover, charge and maintain
The charger automatically checks the battery, performs recovery when needed, charges and tests it, then provides long-term maintenance.
Before you buy
Will this work with my car’s start-stop battery?
Yes. It supports compatible 12V AGM and EFB batteries used in start-stop vehicles, as well as conventional flooded and GEL lead-acid batteries.
Can I use this with a lithium battery?
No. This charger is designed for 12V lead-acid batteries only. Lithium batteries require a charger compatible with their specific chemistry.
Can I leave it connected during storage?
Yes. After charging and testing, the charger automatically maintains the battery. Check battery condition periodically as directed in the manual.