E-FAST 25A Smart Car Battery Charger, 12V/24V Automatic

E-FAST 25A Smart Car Battery Charger

E-FAST 25A Smart Car Battery Charger, 12V/24V Automatic Automotive Battery Maintainer & Desulfator with 200s Booster Mode – Adjustable Amp Trickle Charger for Lead-Acid, AGM, Gel, LiFePO4

  • 25A Rapid charging for 12V & 24V Batteries: Engineered for heavy-duty performance. Delivers a powerful 25A output for 12V batteries and 15A for 24V batteries, charging significantly faster than standard maintainers. Perfect for larger vehicles including Trucks, SUVs, Boats, and RVs. Universally compatible with Lead-Acid (AGM, GEL, SLA, Flooded, EFB) and LiFePO4 Lithium batteries. Note: Intelligent chip automatically detects 12V or 24V connection.
  • 5-LEVEL adjustable current & customised charging: Stop using "one-size-fits-all" chargers. This device offers 5 manual current selections: 2A, 8A, 20A, 25A, and Auto Mode. Select 2A for small batteries (Motorcycles, Lawn Mowers) to prevent overheating, or switch to 25A for rapid charging on large vehicles (75-400AH). The "Auto" mode intelligently detects battery internal resistance to choose the optimal charge rate.
  • Emergency Booster Mode (Jump Start Assist): Dead battery won't start? Switch to the dedicated "BOOSTER" mode. It delivers a maximum current surge for 200 seconds to rapidly revive a depleted battery, helping you jump-start your vehicle immediately after the countdown ends. A must-have emergency tool for your garage. Note: Booster function is for 12V batteries only.
  • Pulse repair & all-weather protection: Features an advanced 8-Stage Charging Process including a dedicated Repair Mode (16 hours) to help recover old, idle, or sulfated batteries and extend their lifespan. Built-in temperature sensors automatically detect ambient heat: it activates Winter Mode (<10°C) to boost voltage for a full charge in cold weather, and Summer Mode (>28°C) to prevent overcharging in heat.
  • Durable aluminium housing & Active cooling: Unlike plastic competitors, our charger is built with a rugged Aluminum Alloy Shell and a built-in cooling fan. This design ensures superior heat dissipation during high-amp charging (25A), preventing overheating and ensuring consistent performance. Safety is paramount with protection against reverse polarity, sparks, short circuits, and over-charging.

SKU: B0G1YFS813
Weight: 3.7 Pounds
Brand: E-FAST
Model: TK2500
Colour: Red
Manufacture: EFAST
Colour: Red

Product description

Battery Chargerbattery chargerLifepo4 Battery Charger12v battery chargers

4 Responses

  1. Anonymous says:

     United States

    hard to see in daylight.
    I haven’t used this on a really dead battery yet. I am counting on the 200 sec. boost charge to charge the battery enough the fault circuit in the unit does not prevent the charger to work. the only other thing I noticed was that this is very easy to read at night. But in the daytime with the sun out, you really can’t see the display. It’s all black. I don’t think this is the only product this way.

  2. MarianoDunlap says:

     United States

    Useful charger for mixed battery needs
    This came in handy for reviving and maintaining a few different batteries, including one in a truck that had been sitting longer than planned. The charger feels more capable than a basic trickle charger, and the adjustable settings make it useful when working with more than one battery type. The display and automatic functions also make it easier to monitor what is going on without a lot of guesswork. It is compatible with both 12V and 24V electrical systems and the attached clamps make it easy to connect the battery without special tools.

    It does take a little reading to understand the different modes if you are not used to battery chargers beyond the simplest kind. Once set up properly, though, it worked well for charging and maintenance duties in the garage. For the price, it feels like a solid value for anyone who deals with stored vehicles, seasonal equipment, or multiple battery types. Best for users who want something more flexible than a bare-bones charger.

  3. AndraPeacock7 says:

     United States

    Actually revived my "dead" batteries.
    When this thing arrived and I saw how small it was compared to my previous chargers, I was not expecting much… all I can say is, never judge a book by its cover! Because this thing works great. I have put two older batteries on it in the repair mode setting and it brought them back to life; they actually hold a charge and sit at 12.6V consistently!

  4. Anonymous says:

     United States

    does what they said it would
    work very well does what it was said to do and so far hasn’t let me down and has brought a few old dead batteries back to life and full working order so it was money well spent.