Varta B23: drop-in battery for your car 45Ah 12V 300A
Battery for cars and vans: Varta B23. Check the code on your old battery.
- Nominal voltage: 12V
- Capacity (C20): 45Ah
- Cold cranking current (EN): 300A
- Outer measurements: 220 × 135 × 225 mm
- Technology: Lead-acid
Summary: Spec sheet headline for the Varta B23: 45Ah 12V 300A, made with cars and vans in mind. Weight is 10.7 kg, worth knowing before you lift it out of the tray.
About the Varta B23
Some drivers know their battery only as the Varta B23 written on an old invoice, and that is enough. Outer dimensions come to 220 × 135 × 225 mm, worth checking against your tray before anything else. Once you have the code, searching batteries online by brand and reference is quick.
45Ah makes it a smaller battery, good for light electrical loads.
Will the Varta B23 fit?
- ✓ For winter starts, 300A should at least match the old battery.
- ✓ This reference uses lead-acid. If your current battery has a different technology printed on it, find out why before switching.
- ✓ A case of 220 × 135 × 225 mm must sit flat with the clamp closed.
Varta B23: dimensions and ratings
Common questions about the Varta B23
How much capacity and starting power does the Varta B23 offer?
Expect 300A of cranking power and 45Ah of storage. Matching or beating your old label is the safe rule.
What are the voltage and capacity of this model?
Nominal voltage is 12V and capacity 45Ah. Wiring two in series doubles the voltage, while parallel wiring doubles the capacity.
Does the Varta B23 have left or right-hand polarity?
On this model it is positive on the right-hand side. Face the battery with the terminals towards you to compare with your current one.
Care tips for lead-acid batteries
Charging turns lead sulphate back into active material. Conventional batteries deliver high current at a modest price. Avoid deep discharges to prevent sulphation.
Same case, same terminal side
Other references from our catalogue with the same measurements and terminal position.
Deta DB450Exide EB450Fulmen FB450Kronobat SD-45.0TTudor TB450
Related products and ranges
When the numbers match, the Varta B23 can be ordered online at baterias.online in a few minutes. Writing the fitting date on the battery helps when planning the next replacement.
Getting the best from the Varta B23
Picture a dark January morning: the engine turns slowly, coughs and gives up. Smear a little terminal grease on both posts once everything is tight. Slow, groaning starts are the classic sign that a car battery is on its way out.
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