inputs.text: good iphone charger allpowers 14w 4panel solar charger identical unit also sold xdpowers brand - although sold different brand names appears solar charger series identical chargers sold xdpowers brand name made china apparently factory wholesaled various retail vendorsthere several model versions charger specs total panel output gradually upgraded 14w 16w recently 18w various versions look function paper specs differ review applies equally versions14w 16w 18w honestly not found much difference actual charging speed 14w 18w take wattage claims grain salt prices vary widely vendors 18w version one vendor may cheaper 14w version another vendor pays comparison shopthese good little units although not powerful folding solar chargers like photos show 4 panels fold lightweight somewhat flexible legalpad notebook size backing cover fabric appears black dacron light portable folds surprisingly flatthe dacron case series sturdy elastic loops hang charger various positions tree wall indoor window car windshield etc ideal angle toward sun im skeptical photos people hanging backpack hikethats lot banging around fragile electronicsif youre exploring solar chargers first time id advise not even consider anything smaller 4 panelsthe smaller 2panel products 7watt size units cant catch enough sunlight charge reasonable speed dollars difference 4 panels really minimum considering panels power faster chargingbuild quality good identical xdpowers units none current crop chargers looks built serious abusei would not try letting getting drenched rain certainly never immerse probably would not withstand much dropping pressure wouldnt carry inside backpack without rigid protection around plastic bag minimize dust moisture generate lot static electricity operate attract dust debris panels need frequent wiping clean cloththeres no builtin storage battery charger theres small led light illuminates whenever panels getting enough sunlight generate power thats handy feature conditions questionablethis works great iphone 4s full midday summer light southeast ideal conditions charges iphone 34 quickly would wall ac jack speed would recharge cars 12v dc battery outletunfortunately neither allpowers version seems able charge ipad anything almost imperceptible trickle rate ideal sunlight conditions barely get 2 3 per hour ipad requires 21 amp rate compared iphones 10 amp ratei tried ipad repeatedly several different ipads sure every possible condition wouldnt jobagain may better luck hope far none solar chargers ive tried done well ipad reviewers seem agree iphone device requiring 10 finethis also recharges aa aaa batteries using usb charger like iphone charges 34 speedefficiency plugging ac wall outletwhich think good compared lots competing chargerssummary strongly believe good solar charger emergency preparedness 14w allpowers 4panel keep phone charged similar 5v devices said recharges aa aaa batteries usb connector wont charge tablet like ipad not experience thats drawback working phone battery recharger working 5v devices still worthwhile dont android tablet cant report whether would charge androidprices fluctuate constantly vary vendor vendor spiking considerably last monthscurrently unit fluctuates around 60 shipped another 2025 upgrade much powerful 24 28 watt unit thats large increase charging power small increase pricewhatever choose definitely pays comparison shop prices onlineyou could also add amazon cart wait buy price dips whatever consider reasonable patience save moneysolar chargers evolving fast 14w 16w 18w model alone years model tech specs may seem obsolete year another reason not overpay tech itemyou may buying next years upgradereplacement model sooner thinkhope helpful happy charging selfsufficiency everybodyongly believe good solar charger emergency preparedness 14w allpowers 4panel keep phone charged similar 5v devices said recharges aa aaa batteries usb connector wont charge tablet like ipad not experience thats drawback working phone battery recharger working 5v devices still worthwhile dont android tablet cant report whether would charge androidprices fluctuate constantly vary vendor vendor spiking considerably last monthscurrently unit fluctuates around 60 shipped another 2025 upgrade much powerful 24 28 watt unit thats large increase charging power small increase pricewhatever choose definitely pays comparison shop prices onlineyou could also add amazon cart wait buy price dips whatever consider reasonable patience save moneysolar chargers evolving fast 14w 16w 18w model alone years model tech specs may seem obsolete year another reason not overpay tech itemyou may buying next years upgradereplacement model sooner thinkhope helpful happy charging selfsufficiency everybody