Sonnenschein Lead-acid battery A412/20 G5 - 12 V 20 Ah Dryfit battery

The Sonnenschein A412/20 G5 is a compact, maintenance-free gel battery from the A400 series. With its dryfit technology, it offers reliable, safe and long-lasting power for a wide range of uses – from emergency power supplies and telecommunications to industrial equipment.

Highlights at a glance

• 12 V nominal voltage, 20 Ah capacity (C10, 20 °C)
• Maintenance-free thanks to sealed dryfit gel technology (VRLA)
• Robust ABS housing for long service life
• High short-circuit current: up to 460 A
• Loadable up to approx. 200 A, max. discharge current 800 A (5 s)
• Compact design: only 167 x 176 x 126 mm

Compact power for versatile uses

The A412/20 G5 is ideal for emergency lighting, alarm systems, telecommunications systems and smaller UPS systems. Its compact size allows flexible installation even in space-critical environments.

Efficiency through modern gel technology

The dryfit gel technology ensures safe gas recombination inside, making the battery absolutely maintenance-free. In addition, it achieves very low self-discharge, improving storage and operational readiness.

Robust technology for high reliability

With an internal resistance of 25 mΩ and a resilient housing, the A412/20 G5 provides a stable and durable energy supply. Even under heavy loads, it impresses with reliable performance and operational safety.
 

Features

FAQs about the Sonnenschein Gel Battery A412/20 G5

For which applications is the A412/20 G5 suitable?

The battery is suitable for emergency lighting, alarm systems, telecommunications and smaller UPS systems.

How compact is the battery?

With dimensions of 167 x 176 x 126 mm, it is particularly suitable for use in space-critical environments.

What are the advantages of dryfit technology?

It guarantees a long lifespan, low self-discharge, high operational safety and total maintenance-free use.

Is the battery really maintenance-free and what happens with deep discharge?

Yes, the battery does not require topping up throughout its lifespan. It is designed to be deep discharge-proof and uses gel technology with gas recombination, which minimises the risk of gas formation.

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, with no significant loss of capacity.

Is the battery subject to transport restrictions?

No, ready-to-use blocks of this battery are not subject to any dangerous goods restrictions – whether by road, rail, water or air transport (e.g. IATA A67).