Lightwave LW12V/9AH 12V 9Ah Sealed Lead Acid Battery

Sealed VRLA Battery for UPS and Backup Systems

The Lightwave LW12V/9AH battery is a sealed valve-regulated lead-acid unit with absorbed glass mat construction. It delivers 9 Ah at a 20-hour rate and 12 V nominal output. The maintenance-free design suits UPS systems, alarm panels and emergency lighting.

Internal resistance measures 20 mΩ at full charge. The battery accepts cycle charging at 14.4–15.0 V and standby charging at 13.5–13.8 V. Faston Tab No.187E terminals provide secure connections. Dimensions are 151 × 65 × 100 mm and weight is approximately 2.35 kg.

Design life reaches 3–5 years in standby service. Operating temperature spans -15 °C to 50 °C on discharge and 0 °C to 40 °C on charge. The AGM separator holds electrolyte in suspension, so the battery installs in any orientation without leakage. A high-impact plastic casing protects the internal plates during transport and service.

Key Features

• VRLA AGM Construction
  Absorbed glass mat separators immobilise the electrolyte and remove the need for water topping.

• 9 Ah Capacity at 20-Hour Rate
  The battery delivers 9 ampere-hours when discharged over 20 hours to the rated cut-off voltage.

• Faston Tab Terminals

  • Tab No.187E size for standard spade connectors
  • Secure push-on fit for UPS and alarm wiring
  • Polarity marked on the case

• Low Internal Resistance
  At 20 mΩ fully charged, the battery sustains high-current pulses during UPS transfer events.

• Dual Charge Profile
  Cycle charging runs at 14.4–15.0 V and standby float charging at 13.5–13.8 V.

• Maintenance-Free Sealed Case
  The valve-regulated housing prevents electrolyte loss and allows indoor installation without ventilation ducting.

• 3–5 Year Design Life
  Standby service life reaches 3–5 years at 25 °C with a float charger maintaining the correct voltage.

Specifications

What’s in the Box

• Lightwave LW12V/9AH sealed lead-acid battery

• Terminal protection caps

• Handling and charging instructions

Why Choose This VRLA Unit

• The sealed AGM design removes electrolyte maintenance from UPS service schedules.

• Low internal resistance supports the high discharge currents that UPS inverters demand.

• Faston Tab No.187E terminals mate with common spade connectors found in alarm and backup panels.

• Dual charge profiles match both cyclic and float-charging UPS controllers.

• Compact 151 × 65 × 100 mm case fits standard 9 Ah battery compartments.

• A 3–5 year standby design life reduces replacement frequency in always-on installations.

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