Even when powered off, smartphones continue to consume a small amount of battery power. This drain is primarily due to a clock-and-wake circuit that allows the device to respond to the power button and maintain accurate time upon startup. Additionally, lithium-ion batteries naturally undergo self-discharge, losing approximately 1-2% of their charge monthly, a process accelerated by higher temperatures. For long-term storage, Apple recommends charging an iPhone to about 50% and recharging it every six months to prevent deep-discharge states that can permanently damage battery capacity. AI
RANK_REASON Article explains a common technical phenomenon without announcing new products or research.
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