Multi-Transmitter battery 12V 9Ah: backup during a power failure
The Multi-Transmitter battery 12V 9Ah is the backup power supply for your AirShield Multi-Transmitter. During a power failure, the battery takes over, so that your wired zones and outputs keep working as normal.
It is a maintenance-free, sealed VRLA lead-acid battery (based on the Ultracell UL9-12) rated 12 V and 9 Ah. Thanks to the F2 connectors and a sturdy ABS housing, it is safe to use and easy to install.
Why this battery
12 V, 9 Ah
A reliable 12 V battery with a capacity of 9 Ah, just enough to keep your Multi-Transmitter running during a power failure.
Maintenance-free and safe
A sealed VRLA lead-acid battery that does not need topping up. Safe to use and suitable for continuous standby.
Sturdy and compact
A robust ABS housing with F2 connectors and compact dimensions (151 × 65 × 93.5 mm), so that it fits neatly in the module.
Long service life
Depending on the depth of discharge, the battery lasts 200 to 1200 charge cycles. Charge at a maximum of 2.55 A for correct use.
Technical specifications
| Battery | |
| Type | VRLA lead-acid battery (sealed, maintenance-free), based on Ultracell UL9-12 |
| Voltage and capacity | 12 V, 9 Ah |
| Connectors | F2 |
| Charging and service life | |
| Maximum charging current | 2.55 A |
| Service life | 200 to 1200 charge cycles (depending on depth of discharge) |
| General | |
| Dimensions | 151 × 65 × 93.5 mm, 2.45 kg |
| Housing | ABS |
Back-up for your transmitter
For the Multi-Transmitters
This battery is the backup power supply for the AirShield Multi-Transmitter and the PoE Multi-Transmitter, which run on mains power.
Stay protected during a power failure
If the power fails, your wired zones and outputs keep working on the battery. This keeps your security system reliable.
Need help with your system?
Not sure whether this battery suits your setup, or do you want to expand your AirShield system? Put your set together with the configurator, or have it installed by our VEB-approved installers.
Frequently asked questions
What is this battery intended for?
As backup power for the AirShield Multi-Transmitter and PoE Multi-Transmitter, which run on mains power. During a power failure, the module then keeps working.
Is the battery maintenance-free?
Yes. This is a sealed, maintenance-free VRLA lead-acid battery that does not need topping up.
What are the voltage and capacity?
The battery supplies 12 V with a capacity of 9 Ah and has F2 connectors.
How do I charge the battery correctly?
Charge at a maximum of 2.55 A. Depending on how deeply you discharge the battery, it lasts 200 to 1200 charge cycles.
In the box
Multi-Transmitter battery 12V 9Ah
The 12V 9Ah VRLA lead battery.
F2-connectoren
Fixed connections on the battery.
























