Sonnenschein Lead-acid battery A512/85 A - 12 V 85 Ah gel battery

The Sonnenschein A512/85 A is a powerful, maintenance-free gel lead-acid battery from the A500 series. Thanks to dryfit technology, it offers high cycle stability, reliable power output and a long service life. With its VdS approval, it is ideal for safety-critical applications such as fire alarm and UPS systems.

Highlights at a glance

• 12 V nominal voltage, 85 Ah capacity (C20, 20 °C)
• Maintenance-free thanks to sealed dryfit gel technology (VRLA)
• VdS-certified for safety-critical applications
• High short-circuit current: up to 2,017 A
• Loadable up to approx. 600 A, max. discharge current 2,600 A (5 s)
• Robust ABS housing for industrial applications

Powerful for safety and industry

The A512/85 A is suitable for UPS systems, fire alarm technology, safety equipment and other industrial applications. Its high load capacity and stable power output guarantee an uninterrupted power supply in critical environments.

Efficiency and maintenance-free

The dryfit gel technology ensures extremely low self-discharge and makes the battery completely maintenance-free. The internal gas recombination eliminates the need to top up with water, which reduces operating costs and makes handling easier.

Robust technology for the highest demands

With an internal resistance of 6.2 mΩ and a maximum load capacity of 600 A, the A512/85 A is ideally designed for demanding applications. The combination of robust design, VdS certification and high performance makes it a safe and durable energy solution.
 

Features

FAQs about the Sonnenschein A512/85 A gel battery

For which applications is the A512/85 A suitable?

It is ideal for UPS and security power supplies, telecommunications, alarm and security systems, medical systems or railway applications, especially where high reliability is required.

Is the A512/85 A maintenance-free?

Yes, thanks to dryfit gel technology, the battery is completely maintenance-free. Topping up with water is not necessary.

What is the load capacity of the battery?

The battery offers a maximum continuous load of approx. 600 A and a short-term discharge current of up to 2,600 A.

What does VdS approval mean?

The VdS certification confirms that the battery is approved for safety-critical applications such as fire alarm systems.

How long can the battery be stored before it needs to be recharged?

Thanks to very low self-discharge, the battery can be stored at 20 °C for up to 2 years without recharging and without significant loss of capacity.