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Added solar lighting (hybrid battery type) to Fuchu Asahi Football Park in Tokyo.

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[Fukei Sekoro's unique system] Lithium-lead hybrid
The daily power cycle is charged by a lithium-ion battery, while the portion prepared for no sunlight is charged by a lead battery.
The lead battery is almost always fully charged, so its degradation is very slow.
This system can accommodate high battery lifespan at a low cost without requiring multiple lithium-ion batteries.