Lead-Acid Battery

PHASAK 12V 18Ah Battery – PHB 1218

Sealed lead-acid (VRLA) 12V · 18Ah Battery for UPS, security, and emergency. The PHB 1218 delivers reliability, low self-discharge, and zero Maintenance for stable backup power.

Ideal as a replacement for PHASAK UPS units and critical applications.


View catalogue (PDF)

SKU: PHB 1218 Category: Tags: ,

Description

12V 18Ah VRLA Battery for UPS and security

The PHASAK PHB 1218 is a sealed lead-acid (VRLA) 12V, 18Ah battery, designed to ensure a stable and safe supply in uninterruptible power systems, alarms, CCTV, and emergency lighting. Its sealed, spill-proof, maintenance-free construction makes installation easy and ensures consistent performance in float use.

Key benefits

  • 24/7 reliability against outages and micro-outages.
  • Low self-discharge and good float stability.
  • Zero Maintenance: sealed VRLA technology.
  • Compact format for quick replacement in compatible UPS units.

Typical applications

  • UPS for IT, retail, and small industry.
  • Alarm systems, video surveillance, and access control.
  • Emergency lighting and signage.

Compatibility

Suitable for PHASAK UPS units and other equipment requiring 12V · 18Ah with the same format and terminal type. We recommend checking dimensions and terminals before replacement.

Usage recommendations

  • Observe polarity and the tightening torque specified by the equipment manufacturer.
  • In installations with multiple batteries, use identical models of similar age.
  • Keep environmental conditions within the recommended ranges to maximize service life.

See the PHASAK catalogue (PDF) to view the full range of batteries and accessories.

Additional information

Weight 3 kg
Dimensions 15.1 × 9.4 × 9.8 cm
Nominal Voltage

2 V

Tipo de batería

Sealed Lead-Acid

Valvula de seguridad

Rubber

Battery capacity

18.0 Ah

Tipo de Terminal

T3/T12

Torsión

N/A

Resistencia Interna

15.0

Width

181

Height

167

Fondo

77

Peso

~ 5.20 kg

Temperatura Nominal

25 ± 3ºC

Rango de Descarga

-15ºC ~ 50ºC

Rango de Carga

-10ºC ~ 50ºC

Rango de Almacenamiento

-20ºC ~ 50ºC

Tensión flotante

-18 mV / ºC/Block

Tensión Cíclica

-30 mV / ºC/Block

Corriente de carga máxima

5.40 A

Corriente de descarga máxima

270 A

Componente

RAW

Polo Positivo

Lead Dioxide

Polo Negativo

Lead

Contenedor

ABS (V-0 opt.)

Separador

AGM

Electrolito

Sulphuric Acid

Terminales

Copper

Capacity

18 Ah

Terminals

T3/T12

Certificado ISO 9001
Descarga aquí nuestro certificado ISO 9001, que acredita nuestro compromiso con la mejora continua, la eficiencia y la máxima calidad en todos nuestros procesos.
[ES] Descarga del Catálogo PHASAK en PDF
Catálogo PHASAK en español. Toda la gama de SAI, racks 19″, cableado y accesorios, con especificaciones, tablas comparativas y referencias cruzadas. PDF actualizado.