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Verified identity: model APA003-S2-AA-C1, item 0278602
The original Portfolio manual identifies item 0278602 and model APA003-S2-AA-C1 as the Hummingbird Yard Light. That exact pairing is important because decorative solar yard lights often look interchangeable in photographs while using different top housings, poles, stakes and rechargeable cells. Preserve both numbers when searching for a donor fixture or archived instructions.
Document the decorative assembly before taking it apart
Photograph the hummingbird ornament, top housing, solar panel, lens/light area, pole joints and ground stake before disassembly. Decorative solar fixtures can use press fits and molded tabs that are difficult to reconstruct once separated. A photo record also lets you distinguish a broken structural piece from an electrical failure and provides dimensions for a substitute pole or stake.
Solar diagnosis starts with charging conditions
For a light that no longer turns on, first clean the solar panel and give the fixture an intentional full-sun charging day. Keep it away from porch lights or other nighttime illumination that can fool the dusk sensor. Then test in darkness. If performance returns after better charging, the fixture may not need a part at all; placement or panel contamination was limiting energy collection.
Battery aging produces a recognizable pattern
A rechargeable cell normally loses useful capacity gradually. A yard light that still turns on at dusk but runs for a much shorter period is more consistent with reduced battery capacity or inadequate charging than with a completely failed LED. Record runtime after a strong sunny day. That simple observation helps separate a weak storage cell from a light sensor that never commands the LED on.
Match replacement rechargeable cells exactly
Use the markings on the original rechargeable battery as the sourcing specification. Match chemistry, voltage, size and polarity. Do not install an alkaline disposable cell into a solar charging circuit. If corrosion has obscured the markings, clean the compartment only after removing the cell and document what can still be read. Severe leakage or damaged contacts may make fixture replacement more sensible.
A broken stake is a mechanical problem, not an electrical one
If the light still operates but will not stand upright, preserve the electronics and measure the stake-to-pole interface. Record outside diameter, insertion depth and any thread or locking-tab geometry. Universal solar stakes vary widely. A substitute can work if the mechanical dimensions match, but forcing an oversized stake into a plastic pole can split a part that was previously serviceable.
Water inside the top housing changes the decision
Condensation, corrosion around the battery contacts or standing water near the LED indicates a sealing problem. Drying the fixture may restore it temporarily, but the entry path still needs attention. Inspect seams, panel edges and cracked plastic. If the housing cannot be resealed without trapping moisture or blocking drainage, replacement is safer than repeatedly cycling wet electronics.
Keep decorative parts when the electronics fail
For discontinued novelty lights, the hummingbird ornament or other decorative pieces may be harder to replace than the generic solar electronics. If the electrical module fails beyond practical repair, save intact decorative components, pole sections and hardware. They can be useful for a donor repair or for adapting the decoration to a new solar fixture without pretending the new electronics are original Portfolio parts.
How to source a donor fixture without buying the wrong model
Ask sellers for a clear label photo showing APA003-S2-AA-C1 or item 0278602, not merely a photo of a hummingbird light. Compare solar-panel shape, top-housing geometry, pole connection and stake. Marketplace titles are often incomplete. The physical label and matching assembly details provide stronger identification than color or decorative shape alone.
Related Portfolio resources
Use the solar lighting guide for charging and battery logic, the model lookup for identification, and the replacement-parts hub for sourcing strategy. The landscape lighting hub covers placement and outdoor failure diagnosis more broadly.
Use a neighbor test when several decorative solar lights are present
If you own more than one similar solar yard light, place the suspect fixture beside a known-good one for a full day so both receive the same sunlight. At night, compare activation time and runtime. This controls for shade and weather. If the suspect still performs poorly under identical conditions, its battery, panel, sensor or electronics deserve closer inspection.
Corroded battery contacts can imitate a dead battery
White or green deposits at the battery terminals increase resistance and can interrupt charging or discharge. Remove the battery before cleaning and inspect whether the metal contact has been eaten away or lost spring tension. Light surface contamination may be recoverable; a deeply pitted or broken contact is a structural electrical fault. Do not wedge foil or improvised metal into the compartment to force contact.
Protect the solar panel when cleaning the decorative housing
Decorative yard lights invite aggressive cleaning because pollen collects around ornaments and textured surfaces. Use mild methods around the solar panel and avoid abrasives that can haze its protective surface. A clean decorative housing does not compensate for a scratched or clouded panel. Clean the optical and charging surfaces separately and inspect for cracks while the fixture is dry.
Create a dimension card for future repairs
Write down overall height, pole diameter, stake interface dimensions, battery markings and top-housing diameter and store those measurements with photos of the label. If APA003-S2-AA-C1 becomes harder to find, that dimension card turns a vague search for a hummingbird light into a mechanical matching problem. It also helps distinguish which pieces can be adapted without altering the original solar electronics.