Rechargeable Battery Solar Power Station 518wh/140000mAh UPS Function

Portable UPS Solar Power Station with 500W Pure Sine Wave Inverter and 140000mAh Lithium Ion Battery PackProduct Parameters ModelT500 Portable GeneratorCharged ModeCC/CVCapacity518Wh/140,000mAh,3.7VDC Output=2PCSDC12V-16.8V/10ADimensions(LWH)30.5*16.8*24CMWeight6KGAC Output=1PCS/2PCS110V/220V 500W (Pure Sine Wave)Fully-Charged Time6 hoursPower Indicators LED DispalyOperation Temperature -10ºC-40ºCOperation Humidity10%-90%Built-in Battery  High Quality Lithium-ion Batteries   Solar Panel Charging MPPT,12V-16.8V,up to 5A Max InputLifecycle>500timesInput/ChargeDC18V/5AFAQQ1:How many years are you in this line?A1:We are manufacturer of jump starter and power generator products for 8years.Q2.What is the lifetime of this product?A2.Usually 2-3 years in normal condition.Q3.How to extend the life of this product?A3.It is better to charge it one time each 3 months and at least once each 6 months.Q4.How about the warranty?A4.Normally we offer 12 months warranty.Product Description /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1