Battery 12V 74Ah L3
Specifications
| Brand | KRONOBAT |
|---|---|
| Part number | PB-74.0 |
| Voltage (V) | 12 |
| Capacity (C20) | 7Ah (c20) |
| CCA | 680A |
| Technology | Lead-acid |
| Length | 278.00 mm |
| Width | 175.00 mm |
| Height | 190.00 mm |
€60.95
VAT included
4,75/5★★★★★31 reviewsVerified purchases
- ★★★★★Manuel:
Tenia mi dudas de esta marca, pero ha merecido la pena comprarla buena calidad y buen precio.
- ★★★★★Manuel:
Tenia mi duda pero es una buena batería y buen precio.
Kronobat 74L3 12V 7Ah 680A is a starter battery with OEM-equivalent quality, designed for modern passenger cars. Delivers reliable cold-cranks even after weeks of inactivity and supports stable auxiliary loads (lights, climate control, infotainment).
Why this car battery?
- Original-equipment qualitywithout dealership prices
- Lasts 4 to 6 yearsbuy once instead of twice
- Real human tech supportif you have any doubts before buying
Voltage
12 V
Capacity
7 Ah
Cold cranking
680 A
Dimensions
278×175×190 mm
Technology
Lead-acid
Weight
17,3 kg
Car battery Kronobat 74L3 7Ah 680A 12V
12VVoltage
7AhCapacity
680ACold cranking
17.30kgWeight
With 7 Ah at 12 V and 680 A of cold cranking current (EN), the Kronobat 74L3 is a starter battery built for passenger cars with conventional starting, without a Start-Stop system. Measuring 278 × 175 × 190 mm, it is the direct replacement for cars fitted from the factory with a 7 Ah battery of this format.
- Low self-discharge: copes with long stops without losing charge.
- Designed to last several years under normal daily use.
- Good balance of capacity, cranking power and price.
- Stable voltage for the vehicle electronics (ECU, sensors, climate control).
What the Kronobat 74L3 is for
With 7 Ah, the Kronobat 74L3 is sized for passenger cars with conventional starting, without a Start-Stop system. It is a direct replacement for the original battery as long as dimensions and terminals match. Check that it matches your current battery in dimensions, terminals and hold-down: this reference has a weight of 17.30 kg, 1 terminals and B13 hold-down.
Size, terminals and hold-down of the Kronobat 74L3
The Kronobat 74L3 is made in the 278 × 175 × 190 mm format and weighs 17.30 kg. It uses a B13 hold-down and 1 terminals, the system that anchors and connects it in the vehicle. Checking the three dimensions and the terminal position before buying avoids the most common mistake when replacing a battery.
Why choose Kronobat batteries
Kronobat is the exclusive brand of baterias.com: batteries made to the same production standards as the leading brands, with a value for money that is hard to match and an official warranty. All the Kronobat batteries in our catalogue are genuine product, recently manufactured and covered by the manufacturer's warranty.
Technology inside the Kronobat 74L3
Within the Kronobat catalogue, the 74L3 is the 7 Ah model designed for this application.
The conventional lead-acid battery remains the most widespread technology thanks to its balance of capacity, cranking current and price. Well maintained and kept charged, it offers years of reliable service in vehicles without Start-Stop.
Usage and maintenance tips
On batteries with filler caps, check the electrolyte level and top up only with distilled water. Avoid leaving lights or accessories on with the engine off: most batteries fail not through defects but through repeated deep discharges.
Official warranty
The Kronobat 74L3 comes with the manufacturer's official warranty against manufacturing defects; the exact period is stated in the brand's conditions. If it fails through a defect within the period, we replace it free of charge.
Shipping, delivery and returns
Same-day dispatch from our warehouse for in-stock orders placed before 6:00 pm: 24-48 working hours in mainland Spain and Portugal, 3 to 5 days in the islands and the rest of Europe. Returns are accepted for 14 days if the battery has not been used (free collection on the Iberian mainland). You will receive tracking by email.
BCOM-KRONOBAT-12V74Ah680A
Data sheet
- Reference
- 74L3
- Voltage (V)
- 12
- Length
- 278.00 mm
- Width
- 175.00 mm
- Height
- 190.00 mm
- Weight
- 17.3 Kgs
- Technology
- Lead-acid
- CCA
- 680A
- Terminal type
- 1
- Hold-down
- B13
- Capacity (C20)
- 7Ah (c20)
Specific References
- MPN
- PB-74.0
4,75/5
Verified purchasesLatest verified reviews
★★★★★Manuel
16/05/2026Excelente batería
Tenia mi dudas de esta marca, pero ha merecido la pena comprarla buena calidad y buen precio.
★★★★★Manuel
16/05/2026Excelente batería
Tenia mi duda pero es una buena batería y buen precio.
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.
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.
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.
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.
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.
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.
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.
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.
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 change this battery step by step?
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.
How many years does this battery last?
Expected lifespan of the Kronobat PB-74.0 is 4 to 6 years in regular car use without Start-Stop. 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 Kronobat PB-74.0 battery?
Dimensions (length × width × height) are 278×175×190 mm — also written as 278x175x190 mm and correspond to the European L3 case size — 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.
Will the Kronobat PB-74.0 battery fit my car?
Three options to confirm: 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; 3) if you cannot find your model, message us on WhatsApp with brand, model, engine and year — we reply during business hours (Mon–Fri 10:00–13:30 and 16:40–18:00 (Spanish time, CET)). The PB-74.0 typically fits a wide range of European vehicles thanks to its standard DIN case format.
Which batteries are equivalent to the Kronobat PB-74.0?
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.
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