Sonnenschein A512/120 A - 12 V 120 Ah VRLA gel battery

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Product number: SONA512/120A

EAN: 2050001755865

Length: 513 mm

Width: 223 mm

Height: 189 mm

Weight: 40 kg

Product information

The Sonnenschein A512/120 A is a powerful and maintenance-free gel battery from the A500 series. With proven dryfit gel technology, it is ideal for applications in telecommunications, emergency lighting, emergency power supply and power distribution. Its robust construction ensures durability and reliability, even under demanding operating conditions.

Highlights at a glance

12 V block battery with 120 Ah (C20, 1.75 V/C, 20 °C)
Design life: 10–12 years (EUROBAT "Long Life")
Maintenance-free thanks to sealed VRLA gel technology
Grid plates in lead-calcium alloy for high corrosion resistance
Extremely low gassing due to internal gas recombination
Very low self-discharge, storage capacity up to 2 years at 20 °C

Powerful in a wide range of applications

The A512/120 A is ideally suited for UPS systems, telecommunications systems, security and hazard annunciation technology as well as power supply systems. With its high energy density, it ensures reliable and uninterrupted power supply.

Efficiency and operational reliability

Thanks to dryfit gel technology and gas recombination, the battery operates with extremely low maintenance. The stable design guarantees safe performance, even with repeated charge and discharge cycles.

Robust gel technology

The reinforced grid plates in lead-calcium alloy increase corrosion resistance and ensure a long service life. At the same time, the design ensures a high load capacity, even under harsh operating conditions.

Features

Model	Sonnenschein A512/120 A
Battery type	VRLA lead-gel (dryfit)
Nominal voltage (V)	12
Capacity (Ah)	120 (at 20h rate)
Short-circuit current (A)	2000
Charging voltage (float charge)	13.5V (at 20°C)
Charging voltage (boost)	14.1V - 14.4V
Operating temperature (°C)	-20 ~ 50
Storage temperature (°C)	-20 ~ 40
Service life	12 years (EUROBAT: Long Life)
Dimensions (L/W/H, mm)	345 x 172 x 277
Weight (kg)	approx. 39.5
Connection	Autopole (conical)
Standards	IEC 60896-21, ISO 9001

FAQs about the Sonnenschein A512/120 A lead battery

For which applications is the A512/120 A suitable?

The battery is ideal for UPS systems, telecommunications, emergency lighting, hazard annunciation technology and power supply systems.

Is the A512/120 A maintenance-free?

Yes, thanks to VRLA gel technology the battery is completely maintenance-free; it does not require topping up with water.

What service life does the battery offer?

The design life is 10–12 years according to EUROBAT classification "Long Life".

Can the battery be transported without restrictions?

Yes, ready-to-use gel batteries are not subject to any transport restrictions (IATA, DGR A67).

What are the advantages of dryfit gel technology?

It ensures low self-discharge, high cycle stability, safety and reliable performance even under adverse conditions.