You need 70 W * 12 h = 840 Wh from the battery. You are correct that for a 12 V battery, this is 70 Ah. To get 840 Wh into the battery over the course of 10 hours, you need a 840 Wh / 10 h = 84 W output from the solar panels. All assuming no loss, perfect sunshine, etc. [pdf]
[FAQS about How many watts of solar energy does a 70w LED require ]
Rated IP54, this power supply unit is safe for outdoor use and plugs directly into a standard outdoor outlet. Brighten up dark paths, create highlights in your landscaping, or create a unique ambiance on the patio. You can do it yourself, using Hue spots or bollards. [pdf]
[FAQS about Outdoor power supply connected to LED]
The global LED power supplies market size in 2023 is estimated to reach a substantial figure of approximately USD 2.5 billion, and it is projected to grow significantly to around USD 5.3 billion by 2032, reflecting a robust CAGR of approximately 8.7% over the forecast period. [pdf]
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