Can power banks be left in the car without direct sunlight?
3 Answers
No, as temperatures rise with the weather, the temperature inside the car will also increase. Power banks should not be left in the car for extended periods, as an explosion could pose a danger to the vehicle. Below is relevant information about power banks: Function: A power bank is a device that can directly charge mobile devices and has its own energy storage unit. The main types currently available in the market are multifunctional power banks, most of which come with standard USB outputs. They can generally meet the charging needs of various common digital products in the market, such as mobile phones, MP3 players, MP4 players, PDAs, PSPs, Bluetooth headsets, and digital cameras. Convenient and portable: Essentially, a power bank is a convenient and portable high-capacity power source. It is a portable device that integrates energy storage, voltage boosting, and charging management. The power bank's own charging plug can directly charge mobile devices via AC power and has its own power storage unit.
As someone who frequently drives for business trips, I think keeping a power bank in the car without direct sunlight exposure is generally fine, but you need to be cautious about temperature fluctuations. I once stored it in the glove compartment to avoid light, but during hot summer days when the car became stuffy, the temperature rose excessively, causing faster battery degradation and reduced charging efficiency. I recommend choosing a power bank model with an insulated layer or simply placing it in a shaded area under the seat, away from indirect sunlight. By the way, it's safest to use the power bank after ventilating the car and allowing the temperature to drop, avoiding extreme heat conditions that could damage the battery lifespan.
I've researched automotive electronics, and theoretically, keeping a power bank in the car without direct sunlight exposure is feasible. However, don't overlook the heat accumulation risk in enclosed spaces. Even without sunlight, engine heat dissipation or poor air circulation can rapidly raise temperatures, causing lithium-ion batteries to swell, leak, or even catch fire. I've conducted high-temperature tests on similar small devices – short-term storage at room temperature is fine, but it's best to take them out if left for over a day. Develop a habit of checking in-car thermometers/hygrometers, or choose flame-retardant power banks to balance convenience and safety.
