TecMate USA

OptiMate Lithium LFP 8s5A

25.6 V 5A LiFePO₄ Lithium Battery Saver, Charger, Tester & Maintainer

LITHIUM Series · Model TM281

Keep your equipment’s lithium battery ready between uses. Automatically recover, charge, test and maintain compatible 25.6V/26.4V LiFePO4 batteries with Ampmatic charging up to 5A.

  • Automatically charges, tests and maintains LiFePO₄ batteries
  • Helps recover deeply discharged lithium batteries
  • Helps wake compatible batteries from BMS protection mode
  • Keeps your lithium battery ready between rides and during storage
Will it work with my battery?

Lithium: 12.8V / 13.2V LiFePO₄ / LFP batteries with four cells connected in series.

Recommended battery capacity: 1–12Ah.

For LiFePO₄ / LFP batteries only. Not for lead-acid or other lithium chemistries.

Price $199.99

Free Shipping

3-year limited replacement warranty

Is this the right product for you?

24V Lithium Systems

Care for compatible eight-cell LiFePO4 batteries.

Seasonal Storage

Maintain your battery during winter storage or extended periods of inactivity, so your vehicle stays ready for its next ride.

Diagnostics & Battery Support

Use TUNE mode to provide stable battery support during troubleshooting, within the charger’s output capacity.

What’s included?

  • OptiMate Lithium LFP 8s 5A battery charger
  • Fused M8-M10 battery leadInstall for permanent access
  • Battery clampsFor quick connection to the battery
  • Instruction Manual

Key specifications

Battery voltage
25.6V / 26.4V
Charging current
Up to 5A, automatically adjusted
Battery type
LiFePO₄ / LFP
Battery capacity
2.5Ah-100Ah
Operation
Fully automatic recovery, charging, testing and maintenance; additional BMS reset and TUNE functions
Warranty
3-year limited replacement warranty

How do I use it?

  1. Connect to your battery

    Connect using the installed fused eyelet lead or supplied battery clamps, following the manual’s connection instructions.

  2. Plug into power

    Plug the charger into an AC outlet. Charging starts automatically—no buttons or settings to select.

  3. Charge and maintain

    The charger will automatically charge and test your battery, then switch to maintenance to keep it ready between rides.

Before you buy

Will it charge a 12V lithium battery?

No. It supports 25.6V/26.4V eight-cell LiFePO4 batteries only.

Do I need to select the charging current?

No. Ampmatic adjusts current automatically.

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.