Ultracell UC18-12 lead-acid battery 12V 18Ah AGM battery maintenance-free for UPS, alarm system, emergency power

Reliable backup power for UPS, emergency lighting and security systems – high-performance 12V 54Wh Ultracell sealed lead-acid batteries

Ensure consistent power delivery with the Ultracell 18000mAh 12V sealed lead-acid battery, featuring Thread (M5) terminals and durable ABS housing. Designed for maintenance-free use, this long-life battery is ideal for a wide range of applications including uninterruptible power supplies (UPS), backup systems, alarm systems and emergency lighting.

Built with oxygen recombination technology and a PbCaSn alloy grid for low gas emissions and minimal self-discharge, Ultracell batteries offer high energy density and dependable operation in both standby and backup scenarios.

What makes Ultracell the best choice for your lead-acid backup power?

• Sealed, maintenance-free design – safe and leak-proof with oxygen recombination technology
• Long service life – up to 5 years at 20°C with low self-discharge (approx. 3% per month at 25°C)
• Premium materials – sturdy ABS casing and silver-plated copper terminals for enhanced durability and conductivity
• Easy installation – Thread (M5) thread connection ensures a secure and fast setup
• Universal compatibility – UC18-12 battery suitable for UPS, emergency and backup power supplies, security systems, emergency lighting and more

Product specifications:

Brand: Ultracell
Cell type: Lead-acid battery (PbCaSn)
Voltage: 12V
Capacity: 18000mAh
Energy: 54Wh
Connector type: Thread (M5)
Housing material: ABS
Dimensions (L×W×H): 181 x 77 x 167
Service life: Up to 5 years at 20°C
VdS approved: Yes


NOTE: This product is not classified as dangerous goods. Not suitable for cyclic or high-drain applications such as starter batteries.

About the manufacturer

Ultracell Limited is a leading manufacturer of sealed lead-acid batteries, based in the United Kingdom.
Ultracell (UK) Limited, Vesty Business Park, Vesty Road, Liverpool, L30 1NY UK.
info@ultracell.co.uk
+44 (0)151 523 2777

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