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VARTA Dynamic SLI Batteries
The Dynamic SLI range is VARTA's conventional starter battery for cars without a start-stop system. It replaces the old Blue Dynamic and Black Dynamic ranges, which the manufacturer unified under a single name when updating the portfolio.
Technology
These are lead-acid batteries with PowerFrame® grids, an expanded grid technology that reduces corrosion compared to conventional grids and maintains conductivity throughout the battery's life. They come sealed and maintenance-free: there is no need to refill water or check the electrolyte level.
Applications
- Cars and minivans without start-stop
- Vehicles with moderate electrical equipment
- Light commercial vans for daily use
- Replacement of original equipment in most European and Asian brands
The range in figures
| References | 44 |
|---|---|
| Capacity | 40 – 110 Ah |
| Cold cranking | 300 – 920 A (EN) |
| Voltage | 12 V |
| Technology | PLOMO/ACIDO |
How to choose
To make the right choice, you need three pieces of information: the capacity in ampere-hours, the cold cranking current, and the position of the positive terminal. If your car originally comes with an EFB or AGM battery because it has a start-stop system, do not go for Dynamic SLI: the start-stop system requires a battery prepared for cycling.
Naming and equivalences
Dynamic SLI replaces the old VARTA Blue Dynamic and VARTA Black Dynamic. VARTA unified both lines under a single designation when renewing the portfolio in 2026, so a battery that was previously ordered as Blue Dynamic now corresponds to a Dynamic SLI of the same capacity and cranking power.
Frequently asked questions
What range replaces the VARTA Blue Dynamic?
The VARTA Dynamic SLI. Blue Dynamic and Black Dynamic have been merged into this single range; the equivalence is made by capacity in Ah, cranking current and dimensions, not by the previous commercial name.
Can I install a Dynamic SLI in a car with start-stop?
No. The start-stop system subjects the battery to a cycling that a conventional starting battery does not support; the vehicle needs an EFB or an AGM as specified by the manufacturer.
What is the PowerFrame grid?
It is the expanded grid patented by VARTA. Compared to a conventional grid, it better resists corrosion and maintains conductivity throughout the battery's life, which translates into more reliable starting at the end of its useful life.
How do I know which Dynamic SLI my car needs?
Look at the label on the battery you have: you need the capacity in Ah, the cold cranking current in amps, and the position of the positive terminal. The three must match, as well as the dimensions of the case.
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