OptiMate 6 5A 12V AGM/GEL Battery Charger Maintainer
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Optimate 6 AmpMatic - 12V 6A, High Performance Automotive Battery Charger & maintainer for premium AGM, Deep-Cycle Batteries (TM-361)

Optimate 6 AmpMatic - 12V 6A, High Performance Automotive Battery Charger & maintainer for premium AGM, Deep-Cycle Batteries (TM-361)

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Optimate 6 Select - 12V 6A, High Performance Automotive Battery Charger & maintainer for premium AGM, Deep-Cycle and Motorcycle Batteries (TM-371)

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OptiMate 6 12V/24V - 12V 6A / 24V 3A, High Performance battery saving charger & maintainer for Deep Cycle RV, Camping, Industrial & Marine batteries (TM-381)

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OptiMate 5 6V/12V - 6V 4A / 12V 3A, Battery Saving Charger & Maintainer for Motorcycles, Automotive, Deep-Cycle and RV Batteries (TM-321)

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Optimate 7 Select - 12V 10A, High Performance Automotive Battery Charger & maintainer for premium AGM, Deep-Cycle Batteries (TM-251v3)

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Optimate7 6V/12V - 10A, High Performance Battery Saving Charger & Maintainer for Automotive, AGM, Deep-Cycle and RV Batteries (TM-263)

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Tecmate OptiMate Lithium 4s 6A, TM391, 10-step 12.8V 6A Lithium Expert Battery Saving Charger & Maintainer, Blue/Green

Tecmate OptiMate Lithium 4s 6A, TM391, 10-step 12.8V 6A Lithium Expert Battery Saving Charger & Maintainer, Blue/Green

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Optimate 4 Quad Program | Premium Edition, TM631-PR, Gold Series: 9-Step 12V / 12.8V 1.25A Sealed Battery Saving Charger & maintainer

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TecMATE Optimate 1 VoltMATIC, TM-401a, Bronze Series: 4-Step 6V / 12V (0.6A), Battery Charger & maintainer,Blue

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Optimate TM-500 6-Step 12V/12.8V 2A Sealed DC to DC Battery Saving Charger & Maintainer

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TecMATE Optimate DC to DC, TM-500v3, 6-Step 12V/12.8V 2A Sealed Battery Saving Charger & Maintainer

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Optimate 4 Quad Program, TM631, Gold Series: 9-Step 12V / 12.8V 1.25A Sealed Battery Saving Charger & maintainer

Optimate 4 Quad Program, TM631, Gold Series: 9-Step 12V / 12.8V 1.25A Sealed Battery Saving Charger & maintainer

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Optimate Solar Duo, TM522-D2, 6-Step 12V / 12.8V 1.6A Weatherproof Solar Battery Saving Charger & maintainer

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OptiMATE 7 SELECT, TM-251, 9-step 12V 10A sealed battery saving charger & maintainer

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OptiMate 5 VoltMatic 8-step 6V/12V 2.8A Sealed Battery Saving Charger & Maintainer

OptiMate 5 VoltMatic 8-step 6V/12V 2.8A Sealed Battery Saving Charger & Maintainer

4.40

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OptiMate 6 5A 12V AGM/GEL Battery Charger Maintainer

OptiMate 6

OptiMate 6 is a 12V, 5A smart charger and maintainer for lead-acid batteries (flooded, AGM, GEL) used in motorcycles, cars, ATVs, and small boats. It diagnoses the battery, can attempt recovery on deeply discharged batteries, completes a full multi-stage charge, and safely maintains the battery for storage. Ideal for everyday charging and seasonal storage; not for lithium batteries.

About OptiMate 6

OptiMate 6 (12V, 5A) Smart Charger and Maintainer

OptiMate 6 is a 5A, microprocessor-controlled charger for 12V lead-acid batteries, including flooded, AGM, and GEL types. It automatically tests, charges, and maintains batteries used in motorcycles, cars, ATVs/UTVs, and small boats, making it suitable for both routine charging and long-term storage.

When to Choose It

  • You need one charger for multiple 12V lead-acid batteries across vehicles.
  • You want automatic maintenance for seasonal storage without overcharging.
  • You may need to attempt recovery of a deeply discharged lead-acid battery.

When to Avoid It

  • You have lithium (LiFePO4 or other lithium) batteries. Use a lithium-specific charger instead.
  • You need faster turnaround on large batteries and prefer 8–10A or higher charging current.
  • You require 24V charging. Opt for a dedicated 24V model.

What It Does

  • Diagnosis: Checks battery state and connection before charging.
  • Recovery: Uses controlled charging to attempt recovery of deeply discharged lead-acid batteries.
  • Bulk and Absorption: Brings the battery to full charge efficiently.
  • Optimization and Maintenance: Automatically maintains charge for weeks or months without damage.

Sizing and Charge Time

Rule of thumb for charge time: hours ≈ battery Ah ÷ 5A × 1.2. Examples:

  • 12 Ah motorcycle battery: about 3 hours to near full, plus topping time.
  • 60 Ah car battery: about 14–16 hours to full.

Use 5A on most motorcycle to mid-size car batteries. Very large batteries may charge more slowly.

How to Use

  1. Confirm the battery is 12V lead-acid (flooded, AGM, or GEL).
  2. Connect the positive clamp to battery positive, then the negative to chassis ground or battery negative.
  3. Plug in the charger and let it run automatically through all stages.
  4. For storage, leave connected; the maintenance program will cycle as needed.
  5. If the charger signals a fault or no progress after several hours, have the battery load-tested.

Safety and Care

  • Charge in a well-ventilated area away from sparks or flames.
  • Inspect cables and clamps; replace if damaged.
  • Do not use on non-rechargeable or lithium batteries.
  • Follow vehicle and battery manufacturer guidance for remote or under-hood posts.

Specs at a Glance

Input100–240V AC
Output12V, up to 5A
Battery typesLead-acid: flooded, AGM, GEL
ProgramAutomatic multi-stage with diagnosis, recovery, charge, and maintenance
Use caseRoutine charging and long-term maintenance

Alternatives

  • Need lithium support? Choose a lithium-specific OptiMate model.
  • Need faster charging on large batteries? Consider a 10A class charger.
  • Only maintaining small powersports batteries? A 0.8–1.5A maintainer may suffice.

FAQ

Can I leave OptiMate 6 connected all winter?

Yes. It automatically maintains the battery at a safe level, making it suitable for months-long storage.

Will it fix a dead battery?

It can attempt recovery on deeply discharged lead-acid batteries. If the battery is physically damaged or sulfation is severe, replacement may be required.

Is it safe for AGM and GEL batteries?

Yes. The charging profile is compatible with AGM and GEL lead-acid chemistries.

Can I use it on lithium batteries?

No. Use a charger designed specifically for lithium chemistries.

What battery size works best with 5A?

5A suits most motorcycle and many automotive batteries. Larger capacity batteries will charge more slowly, but can still be maintained.

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