Description
SL026-208 4.8V Ni-Cd Battery Replacement for Sure-Lites Emergency Lights & Exit Signs
SL026-208 4.8V Ni-Cd Battery Replacement for Sure-Lites Emergency Lights & Exit Signs. If your Sure-Lites emergency light or exit sign fails a push-to-test inspection or will not remain illuminated during a power outage, a worn backup battery is often the cause.
This SL026-208 4.8V 350Mah AAA Ni-Cd replacement battery is designed to restore dependable emergency runtime in compatible fixtures that require a 4.8-volt nickel-cadmium battery pack.
Confirm Correct Fit Before Ordering (Important)
- Voltage: Must match exactly at 4.8V (typically 4 AAA cells × 1.2V).
- Capacity: 350 Mah
- Chemistry: Replace Ni-Cd with Ni-Cd unless the fixture documentation allows otherwise.
- Connector: Plug style and pin count must match your existing battery.
- Size: 0.82″ x 0.82″ x 1.76″ Dimensions and lead length must fit the battery compartment.
- Connector: 3 Pin 2 Wire
Key Features
- Battery Type: AAA Nickel-Cadmium (Ni-Cd)
- Nominal Voltage: 4.8V
- Application: Emergency lighting and exit signs
- Compatibility: Sure-Lites fixtures using battery part SL026-208
- Performance: Designed for stable discharge during emergency operation
Common Problems This Battery Solves
- Emergency light turns on briefly then shuts off
- Exit sign fails monthly or annual testing
- Reduced illumination runtime during outages
- Battery will not hold a charge after power loss
Battery Models This Replaces
- SL026-208 (Sure-Lites)
- SL026-208 4.8V Ni-Cd battery pack
- Equivalent 4.8V Ni-Cd emergency lighting battery packs (when size and connector match)
- OSA089
- 1210 Anybattery
- BCN350-4EWP-CE109
Compatible Exit Signs & Emergency Light Fixtures
- Sure-Lites emergency light units specifying battery part SL026-208
- Sure-Lites exit signs specifying battery part SL026-208
Note: Sure-Lites manufactures many similar-looking fixtures that use different battery plugs and sizes. Always confirm by checking the original battery label or fixture documentation.
FAQ
Q: Is SL026-208 interchangeable with any 4.8V battery?
A: No. Voltage may match, but connector type, wire length, capacity, and pack dimensions must also match.
Q: Will this automatically fit all Sure-Lites fixtures?
A: Only fixtures that specify SL026-208 or a direct cross-reference. Always verify the battery label.
Q: Can I upgrade from Ni-Cd to NiMH?
A: It is best practice to replace with the same chemistry unless the manufacturer explicitly approves a change.
Q: Why does my emergency light still fail after charging?
A: A battery can show voltage but lack usable capacity. Short runtime usually indicates the battery needs replacement.
Q: Do I need to replace the whole fixture?
A: Usually no—most failures are battery-related. Replacing the battery is typically the most cost-effective fix.
How to Identify the Correct SL026-208 Replacement
- Read the battery label: Look for SL026-208 and verify 4.8V.
- Count cells: Most 4.8V packs are 4 cells (1.2V each).
- Measure the pack: Length/width/height helps avoid ordering a pack that won’t fit the battery compartment.
- Confirm the plug: Connector mismatch is the #1 reason emergency light batteries get returned.
- Check charging board output: If a new battery won’t charge, the charger/driver board may be faulty.
Maintenance Note for Compliance
Emergency lighting typically requires periodic testing. A fresh, correct-fit battery helps your Sure-Lites fixture maintain required illumination runtime during outages.
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