The EF EcoFlow 500W Alternator Charger is $90 off at Amazon, and its price is below the 90-day Amazon average of $212. The page lists charging 1kWh in 2.1 hours of driving, which it says is 5 times faster than a cigarette lighter charger. A 5-year warranty is listed in the product details. Shipping is free. Buy Now at Amazon
Features
Charges 1kWh of power station capacity in 2.1 hours of driving Combines alternator charging, car battery maintenance, and jump-start capability Works with 12V and 24V vehicle systems via XT60 connector EcoFlow app shows charging status, temperature, and battery health Protects against reverse polarity, overcurrent, shorts, and voltage spikes Weighs 9.6 lbs
