It's not cheap at $70, and if you don't need the IP67 rating or the solar panel, there are cheaper options available. However, if you're looking for a portable way to harvest a little solar power for your off-grid or emergency kit, this is a solid choice.
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帕特尔表示，美国主要半导体企业都依赖钪制备某些芯片组件，而这些组件“几乎用于每一部5G智能手机和基站”。
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