Sonnenschein A412/90 A - 12 V 90 Ah VRLA gel battery

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Product number: SONA412/90A

EAN: 2050001755667

Length: 284.5 mm

Width: 230 mm

Height: 267 mm

Weight: 33 kg

Product information

The Sonnenschein A412/90 A is a maintenance-free gel battery from the A400 series. It utilises the proven dryfit gel technology and offers an excellent price-performance ratio for long-term energy storage. This reliable battery is ideally suited for telecommunications and UPS systems, safety lighting, hazard detection technology, as well as various industrial applications.

Highlights at a glance

12 V block battery with 90 Ah (C10, 1.80 V/Z, 20 °C)
Design life: 12 years and longer (EUROBAT "Long Life")
Maintenance-free thanks to sealed VRLA gel technology (no need to top up with water)
Very low gassing due to internal gas recombination
High corrosion resistance thanks to reinforced lead-calcium grid plates

Powerful in critical applications

The A412/90 A is ideal for applications where an uninterruptible power supply is essential. These include telecommunications, emergency lighting, security systems, UPS systems and other off-grid applications. With 90 Ah capacity, it delivers stable performance even with repeated charging and discharging cycles.

Efficiency and safety in operation

The dryfit gel technology reduces the maintenance effort to a minimum. Thanks to gas recombination, the battery is virtually gas-free, making it safe for use in sensitive environments. Its low self-discharge enables a long shelf life.

Robust design for long service life

With reinforced grid plates made of lead-calcium alloy, the A412/90 A is particularly resistant to corrosion and designed for a service life of more than 12 years. It is resistant to deep discharge and offers maximum reliability even under harsh conditions.

Features

Model	Sonnenschein A412/90 A
Battery type	VRLA lead gel (dryfit)
Nominal voltage (V)	12
Capacity (Ah)	90 (at 10h rate)
Short-circuit current (A)	1800
Charging voltage (float charge)	13.38V - 13.5V (at 20°C)
Charging voltage (boost charge)	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. 33.0
Connection	Autopole (conical)
Standards	IEC 60896-21, ISO 9001

FAQs about the Sonnenschein A412/90 A lead battery

For which applications is the A412/90 A suitable?

The battery is ideal for UPS systems, telecommunications, emergency and safety lighting, as well as hazard detection technology.

Is the A412/90 A maintenance-free?

Yes, thanks to VRLA gel technology, the battery is absolutely maintenance-free and requires no topping up with water.

How long is the A412/90 A battery designed for use?

It has a design life of 12 years at 20 °C, retaining around 80% of its original capacity after standard C10 use.

Can the battery be deeply discharged?

Yes, the battery is resistant to deep discharge and reliable even in cyclic operation.

What are the dimensions, the weight and the connection of the A412/90 A?

The battery measures 286 mm × 269 mm × 230 mm and weighs approx. 33 kg. It is equipped with an A terminal (round terminal), which allows easy integration.