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internal power supply is meant for saving files only in case of power failure or emergency.
Capacitors are more reliable than a lithium-ion battery due to the fact that they are more
resistant to heat, extreme temperatures, harsher climates and do not fail after exceeding
their charge cycles. Capacitors also do not pose many of the risk and care required of a
lithium-ion battery product. If power suddenly cuts out from your vehicle, the internal
supercapacitor will have enough power to save your files to the memory card and safely
shutdown.
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