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ABSAAR Professional Charger AB-SL40 12/24V 40Amp AmpM

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ABSAAR

The AB-SL40 Professional 40-amp charger for 12/24 Volt batteries designed by the German leader ABSAAR has been designed for a capacity range of approximately 100 to 600Ah.

Now you can buy your Absaar AB-SL40 automatic battery charger at the best price at baterias.com .

Features of the ABSAAR AB-SL40 12/24V 40Amp AmpM charger:

ABSAAR charger
VOLTAGE AMPS Battery Range Load Curves
12/24V 40A 100 to 600Ah lead/acid, AGM
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ABSAAR professional battery charger ABSAAR AB-SL40 12/24V 40Amp AmpM

The ABSAAR AB-SL40 12/24V 40Amp AmpM automatic charger is indicated for professional use mainly in workshops as it is usually used in applications such as trucks, tractors, automobiles and nautical. They are indicated for use in lead-acid and AGM batteries.

The Absaar AB-SL40 charger is an automatic charger, so it will automatically disconnect when it detects that the battery has completed its charge. In addition, the charger has a maintenance mode to take care of and extend the life of your batteries.

Unlike other chargers, ABSAARs have a robust, solid metal casing, protection fuse, storage compartment for cables and clamps, carrying handle and wheels.

Find all the features offered by a product designed by one of the best brands in the sector:

Advantages of the ABSAAR AB-SL40 12/24V 40Amp AmpM charger 

  • Automatic battery charger

  • Load power 40 Amps

  • Jump start 250 Amp

  • Battery range: 100-600 Ah

  • Charge voltage 12/24V

  • Fuse: 80 Amp

  • Ampmeter

  • Ideal for plomb acid and AGM batteries

  • Fast charge and normal charge switch

  • Dimensions 565 x 230 x 280mm

  • 18,5kg

  • Charging cable with insulated clips and handles

Why choose an ABSAAR Battery Charger?

Just by talking about German technology, the reliability of the products offered by the ABSAAR brand is certified, not to mention the +40 years of experience in the vehicle battery market. All ABSAAR chargers have passed strict quality control to meet high international standards.

Unlike other brands, ABSAAR chargers offer users products with better benefits compared to their competitors thanks to the German quality seal. Among the products offered by ABSAAR you will find in our catalog two types of chargers: Standard and Automatic, suitable for batteries with lead-acid, Gel and AGM technology, for personal and professional use.

In summary, if you are looking for quality chargers at a good price and that meet the stipulated production and manufacturing standards, we assure you that ABSAAR will meet all your needs.

BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40

Data sheet

Brand
ABSAAR
Reference
AB-SL40 12/24V 40AMP AmpM
Volts
12/24
Length
28cm
Width
23cm
Height
56,5cm
Weight
18,5kg
Loading Capacity
100-600Ah
Amps
40

Specific References

EAN13
4045365114746

How to change the battery

Step-by-step guide to replace your car battery in 15-30 minutes (longer if the battery is under the seat or in the boot) without losing vehicle settings.

⏱ 15-30 min🛠 Tools: 10 mm wrench · Protective gloves
  1. Step 1. Prepare the vehicle

    Park on a flat surface, switch off the engine and remove the key. Make sure all lights and electrical accessories are off. Wait 1-2 minutes before starting.

  2. Step 2. Locate the battery

    Open the bonnet. The battery is usually in the engine bay, but in many modern cars it may be in the boot or under the passenger seat. Check the manual if you cannot find it.

  3. Step 3. Disconnect the negative (−) terminal

    Use the 10 mm wrench to loosen the negative cable nut (black, marked −) and remove the cable from the post. Move it aside so it cannot touch any bodywork.

  4. Step 4. Disconnect the positive (+) terminal

    Repeat with the positive cable (red, marked +). Important: never let a terminal touch metal of the car while the other is still connected.

  5. Step 5. Remove the old battery

    Loosen the bottom hold-down clamp with the same wrench. Lift the battery carefully (it can weigh 15-25 kg). Clean the tray with a brush and baking soda if there is corrosion.

  6. Step 6. Install the new battery

    Place the battery in the same orientation as the old one (positive terminal on the same side). Tighten the hold-down clamp firmly.

  7. Step 7. Connect the cables

    Connect the positive (+) terminal first, then the negative (−). Tighten the nuts with the wrench until each terminal does not move. Apply anti-spark grease if you have any.

  8. Step 8. Verify the engine starts

    Close the bonnet. Start the engine to confirm everything works. On cars with Start-Stop or a BMS, you may need to register the battery via OBD so the alternator applies the correct charging profile.

Frequently asked questions

How do I check that the Absaar BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 battery fits my vehicle?

Three ways: 1) enter your number plate in the finder (DGT/DVLA/KBA auto-detect your model and engine); 2) check the "Compatible vehicles" tab on this page, where we list every vehicle verified by our technical team for the BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 9:00–18:00 CET).

How is the Absaar BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 battery installed in the vehicle?

In most cars it fits in 15-30 minutes with a 10 mm wrench; if the battery is under the seat or in the boot the time can double. See the step-by-step guide on this page. Quick summary: 1) switch off the engine and remove the key; 2) locate the original battery (engine bay, boot or under seat); 3) disconnect the negative (−) terminal first, then the positive (+); 4) loosen the hold-down clamp and remove the old battery; 5) fit the new one in the same orientation — match the polarity shown on the product sheet; 6) connect the positive (+) first, then the negative (−). On cars with Start-Stop or BMS, register the battery via OBD so the alternator applies the correct charging profile.

What is the warranty period of this battery?

We provide 2 years of official manufacturer warranty against manufacturing defects. Coverage includes cell breakdowns, internal short-circuits and abnormal capacity decreases. It does NOT cover misuse (prolonged overcharging, inadequate charger, defective alternator). Once the defect is verified by technical inspection, we replace the BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 at no cost.

How long does Absaar BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 delivery take?

In mainland Spain and Portugal it arrives in 24 h if you order before 17:00 and the battery is in stock — it leaves the same day and arrives the next business day. Afternoon or weekend orders ship the next business day. For Balearics, Canaries and other EU destinations, allow 2-5 days. Shipping cost is calculated in the cart based on destination and service (standard, express, cash on delivery). Tracking number is sent by email + SMS as soon as the parcel ships.

Are returns accepted on this battery?

Yes. You have 14 days from delivery to return it. In mainland Spain and Portugal returns are FREE — we cover the return shipping cost via prepaid label. In other EU countries the return shipping cost is the customer's. It must arrive in its original packaging with no signs of installation. If it was defective, the warranty covers replacement even after the 14-day period.

Where can I buy the Absaar BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 battery?

At baterias.com — authorised distributor with real stock, 24h delivery in mainland Spain and Portugal if you order before 17:00, and full manufacturer warranty. Shipping cost is calculated in the cart based on destination and chosen service (standard, express, cash on delivery). Secure payment by card, Bizum, PayPal or bank transfer. If you choose at-home installation, our technician will take the used battery and dispose of it through an authorised collection point.

What is the service life of the BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 model?

Expected lifespan of the Absaar BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 is 4 to 7 years in regular use (depends on technology and climate). In cold regions it drops slightly due to cold-start stress; in very hot regions it also drops because of electrolyte evaporation. To extend its life: avoid deep discharges (headlights on with engine off), have the alternator checked yearly, and keep the battery clean and properly secured.

What are the dimensions of the Absaar BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 battery?

Dimensions (length × width × height) are 110×220×170 mm, following the European DIN standard. Always measure the space in your car before buying: even one extra millimetre can prevent the hold-down clamp from closing. The height shown includes the terminals.

How much does the Absaar BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 battery weigh?

It weighs 3,3 kg. Most of the weight is lead. If you plan to fit it yourself, use gloves and a carrying strap (AGM batteries are slightly heavier than conventional due to the absorbent glass-mat fibre).

Which batteries are equivalent to the Absaar BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40?

Directly interchangeable batteries (same dimensions, same polarity, same Ah and CCA) are the OEM equivalents from leading brands: Bosch, Tudor, Exide and, depending on the model, Banner or Yuasa. Exact equivalence depends on technology — an EFB cannot be replaced with a conventional battery in Start-Stop cars. See the "Equivalents" section to view recommended options at the same performance level.

Is the BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 model better than its equivalents from other brands?

This battery and its equivalents from Bosch, Tudor or Exide are technically comparable: same dimensions, same voltage and same capacity. The differences are warranty (Varta and Bosch: 2 years; Tudor and Exide: 2 years on the equivalent line), manufacturing plant (Varta and Bosch share origin in the Clarios Group; Tudor and Exide belong to Stryten Energy) and price. For private use any of these brands will give 4-6 years of life. Compare them in the "Equivalents" section.

What reviews does the BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40 model have?

The product rating, when available, is shown above and in the "Reviews" section. You can also check our public Trustpilot profile at shop level (4.4/5 from 10,255+ verified reviews). Most-praised points: reliable cold start, lifespan above 5 years and fast delivery; most common complaints mention BMS-equipped cars that need OBD registration after fitting.


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