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Lucas

Pair of Two Lucas LSLA4‑6 – 6V 4Ah AGM Standby Battery

Pair of Two Lucas LSLA4‑6 – 6V 4Ah AGM Standby Battery

£11.49
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2 x Lucas LSLA4‑6 – 6V 4Ah AGM Standby Battery

The Lucas LSLA4‑6 is a compact 6V 4Ah sealed AGM battery designed for standby and low-power industrial applications. Built with Absorbent Glass Mat (AGM) technology, it offers reliable performance, low self-discharge, and maintenance-free operation. Its sealed construction makes it ideal for use in alarm systems, emergency lighting, control panels, and backup power systems.

This battery is part of Lucas’s trusted VRLA (Valve Regulated Lead Acid) range, known for durability, safety, and consistent output in demanding environments.


Key Features

  • AGM sealed construction – spill-proof and maintenance-free

  • Compact size – fits easily into control boxes and small enclosures

  • Reliable standby power – ideal for alarms, UPS, and emergency systems

  • Low self-discharge – long shelf life and dependable backup

  • Trusted Lucas quality – built for industrial-grade reliability


Technical Specifications

Specification Value
Model Lucas LSLA4‑6
Voltage 6V
Capacity (C20) 4Ah
Technology AGM (VRLA)
Terminal Type F1 (4.8mm spade)
Length 70 mm
Width 47 mm
Height (incl. terms) 106 mm
Weight ~0.65 kg
Maintenance Maintenance-free, sealed
Applications Alarms, UPS, lighting, control panels, standby systems

Compatible / Replacement Models for Lucas LSLA4‑6

Direct 6V 4Ah AGM Equivalents

These match the same voltage, capacity, and physical format:

  • Yuasa NP4‑6

  • Ultramax NP4‑6 / UL4‑6

  • Power Sonic PS-640

  • Vision CP640

  • CSB GP645

  • Long WP4‑6

  • Kung Long WP4‑6

  • Leoch LP4‑6

  • MK ES4‑6

  • Panasonic LC-R064R5P (4.5Ah – compatible upgrade)

  • EnerSys / Genesis NP4‑6

  • Ritar RT640

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