Sonnenschein Lead-acid battery A512/40 - 12 V 40 Ah gel battery

The Sonnenschein A512/40 A is a reliable, maintenance-free gel lead-acid battery of the A500 series. With its robust dryfit technology, it impresses with high cycle stability, long service life and reliable usability in industrial and safety-critical applications. Thanks to VdS approval, it is also particularly suitable for safety-critical systems.

Highlights at a glance

• 12 V nominal voltage, 40 Ah capacity (C20, 20 °C)
• Maintenance-free thanks to dryfit gel technology (VRLA) – no topping up required
• VdS-certified for use in safety applications
• Long service life due to robust grid plate construction
• No transport restrictions in accordance with IATA A67

Reliable performance for safety and industry

The A512/40 A is particularly suitable for UPS systems, security technology, emergency lighting and industrial applications where stable and uninterrupted power supply is crucial. Its high load capacity ensures reliable performance even in critical situations.

Efficiency through modern gel technology

The dryfit gel technology significantly reduces maintenance requirements. Through internal gas recombination, the battery operates with extremely low gassing and offers very low self-discharge. This makes it efficient, durable and easy to use.

Robust technology for maximum safety

The ABS housing, grid plates made of lead-calcium alloy and VdS approval make the A512/40 A a safe choice for safety-critical systems. With a high short-circuit current of up to 1,069 A and a maximum load capacity of 400 A, it is ideally suited for demanding environments.
 

Characteristics

FAQs about the Sonnenschein lead-acid battery A512/40 A

In which areas of application is the A512/40 A particularly suitable?

It is ideal for use in security and alarm technology, UPS systems, telecommunications, medical devices, industrial applications or wherever a reliable and space-saving 12 V supply is needed.

What does the VdS approval mean?

The VdS certification confirms that the battery meets the high requirements for safety-critical applications such as fire alarm systems and emergency power systems.

What is the load capacity of the battery?

The battery provides a maximum load of approx. 400 A and a short-term discharge current of up to 1,500 A.

What is the capacity of this battery and how long is its service life?

The battery provides a capacity of 40 Ah (C20) and, according to the manufacturer, has a design service life of about 7 years at 20 °C with 80% remaining capacity.

How long can the battery be stored without recharging?

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

Are there transport restrictions for this battery?

No, the battery is subject to no transport restrictions (road, rail, water or air) in accordance with applicable regulations such as IATA A67, provided it is delivered ready for use.