Buyers often treat “all-in-one" and “split" as competing technologies. They are not. They are two mounting strategies, and the right one depends on the pole, the panel space and who will service the lamp.
All-in-one: panel, battery, driver and LED sit in one housing. One bracket, one connection, no cable between components.
Split: panel and lamp head are separate, connected by a cable. This allows the panel to be placed where sunlight is best, even if the pole is shaded or the head must sit lower.
| Factor | All-in-one | Split |
|---|---|---|
| Installation | Fastest, one bracket, no cable | More work, cable routing |
| Shaded pole | Poor fit | Panel can be relocated |
| Wind load | Concentrated at the head | Distributed across two mounts |
| Maintenance | One unit to access | Two points, but modules are lighter |
| Retrofit | Head swap on existing pole | Suits semi-split retrofits |
A semi-split design separates the battery and control module from the LED, and can often reuse an existing solar pole. It is the pragmatic option for municipalities that need to repair rather than rebuild, because the battery and LED module can be replaced without removing the whole fixture.
Some projects mix both: all-in-one units on the open stretches and split units near trees or buildings. That is not indecision; it is layout design. Buyers who map shade and wind before ordering tend to spend less than those who standardise on one format for the whole road.
The practical approach is to walk the road with a shade survey, mark the poles that cannot support an integrated head, and specify split only where needed.
Neither layout is superior. The mistake is choosing one for every road and discovering the mismatch at installation.
