# Professional battery charger ABSAAR AB-SL40 12/24V 40A AmpM

![Professional battery charger ABSAAR AB-SL40 12/24V 40A AmpM](https://baterias.com/3118-home_default/charger-absaar-sl40-12v-24v-40amp-ampm.jpg)

> Buy now the ABSAAR AB-SL40 12/24V 40Amp AmpM professional battery charger at the best price at baterias.com ✅ ABSAAR AB-SL40 12/24V 40Amp AmpM automatic battery charger.

**Category:** [ABSAAR Battery Chargers](https://baterias.com/gb/absaar-battery-chargers) → [ABSAAR](https://baterias.com/gb/absaar)

- **Canonical URL**: https://baterias.com/gb/charger-absaar-sl40-12v-24v-40amp-ampm
- **Language**: en-GB
- **Brand**: ABSAAR
- **Reference**: BCOM-ABSAAR-SL40AMP-12-24V-AmpM-ABSL40
- **EAN**: 4045365114746
- **Stock**: Out of stock

## Technical specifications

| Feature | Value |
|---|---|
| Brand | ABSAAR |
| Reference | AB-SL40 12/24 V 40 AMP AmpM |
| Voltage (V) | 12/24 |
| Largo | 28 cm |
| Ancho | 23 cm |
| Alto | 56,5 cm |
| Peso | 18,5 kg |
| Load capacity | 100-600 Ah |
| Current (A) | 40 |

## Quick description

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](https://baterias.com/gb/).
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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## Description

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

The Absaar **Absaar AB-SL40 12/24V 40AMP AmpM** charges, maintains and diagnoses the battery with no overcharging and no risk to the vehicle electronics.
- Staged charging that protects the battery.
- Maintenance mode for long lay-ups.
- Protection against overcharge, short circuit and reverse polarity.
- Suitable for several technologies depending on the model.

### Absaar: the maker behind the AB-SL40 12/24V 40AMP AmpM

Absaar is a German brand specialising in battery chargers and maintainers with staged charging, full protections and modes for the most common technologies.

### Manufacturer's warranty

The Absaar AB-SL40 12/24V 40AMP AmpM comes with the manufacturer's official warranty against manufacturing defects.

### Shipping, delivery and returns

Order **before [[ks:cutoff]]** with stock available and it leaves today: mainland Spain and Portugal receive it in 24-48 working hours, the islands and the rest of the EU in 3 to 5 days. You have **[[ks:return_days]] days** to return it if it has not been installed, with free collection on the mainland, and shipment tracking by email.

## Frequently asked questions

### 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 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 — also written as 110x220x170 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.

### 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.


## Technical team (editorial authorship)

The FAQs, guides and comparisons on this site are reviewed by the baterias.com technical team — automotive battery specialists since 2015.

→ https://baterias.com/gb/technical-team

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*baterias.com — Automotive batteries · 2026-10-12*