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Dear customer, thank you for your interest in Jackery products. The Explorer 300 Plus, with a battery capacity of 288Wh and an output power of 300W, is capable of powering most small electric devices, including portable fans, smartphones, iPads and more. To estimate the runtime, we use a simple calculation: multiply the battery capacity by 0.85 and then divide by the device's power consumption. Generally, car GPS navigation systems usually consume between 5 to 10 watts. Devices with larger screens, real-time map updates, and connectivity features may draw more power. Based on the calculation, the Explorer 300 Plus could theoretically run a GPS with an average wattage of 10W for approximately 24 hours (calculated as 288×0.85÷10). Please note that this is an approximate figure, as the actual runtime will depend on the exact power requirements of your GPS, any additional connected devices, and other factors. For precise calculations or further assistance, feel free to contact our customer service team (Customer Service: [email protected] / +1-888-502-2236 Weekdays 9AM to 5PM PST). Warm regards, Jackery Support Team
Sorry, there was a problem. Please try again later.So, as with all electrical devices and questions it is all determined by the amount of watts consumed by the devices being used. Assuming that you GPS receiver uses about 50watts of power, this device would power that device for approximately 5.7 hrs. This is just an estimate. Look at you device and it will list the power specs on it. To know how long it will last, - Time (in hrs) = (288Whr) / (device power) Thanks
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