Battery2Batteries.com supplies replacement batteries for emergency lights, exit signs, combination exit/emergency fixtures and commercial backup-lighting systems. Find the correct battery by manufacturer, fixture model, original battery number or replacement part number.
Emergency lighting and internally illuminated exit signs use rechargeable backup batteries so the fixture can continue operating when normal building power is interrupted. The correct replacement depends on the fixture design, original battery specification and charging system.
Start with the original battery part number or fixture model whenever possible. If that information is unavailable, compare the battery chemistry, voltage, capacity, terminal or connector type, dimensions and wire configuration. Matching voltage alone is not enough.
Common emergency-lighting applications use rechargeable batteries such as nickel-cadmium (NiCd) and sealed lead-acid (SLA/AGM), with other chemistries used in some fixture designs. Always match the chemistry required by the original fixture and charging circuit.
Not necessarily. Exit signs, emergency lights and combination fixtures can use different voltages, capacities, chemistries, connectors and battery-pack configurations. Match the replacement to the specific fixture or original battery number.
Not based on voltage alone. The replacement also needs to meet the fixture's requirements for chemistry, capacity, terminal configuration, physical size and charging characteristics.
Many listed emergency-lighting fixtures are designed for at least 90 minutes of emergency operation, but required performance depends on the fixture, installation and applicable safety requirements. Follow the fixture manufacturer's documentation and local requirements when testing or servicing emergency lighting.
Rechargeable batteries gradually lose capacity with age and use. Heat, charging conditions, discharge cycles and extended service time can all reduce available runtime. Replace a battery when it no longer meets the fixture manufacturer's required testing or performance criteria.
The most useful information is the fixture manufacturer, fixture model, original battery number, voltage, capacity, chemistry, dimensions and terminal or connector type. That information provides the best path to identifying the correct replacement.
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