* Estimated delivery times start from the date of shipment, excluding processing time.
* Actual delivery times may vary due to holidays, weather conditions, or customs delays.
Atik retounen yo pral aksepte nan 40 jou depi dat resepsyon machandiz yo. Atik pèsonalize pa ka retounen oswa echanje. Atik achte ak yon kat kado elektwonik ka echanje sèlman; rembousman yo pa aplikab.
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1. Règleman Retounen & Echanj
Nou sèlman aksepte atik achte sou roymall.com. Si ou achte nan distribitè lokal nou yo oswa lòt revandè, ou pa ka retounen yo sou bò nou.Atik lavant final oswa kado gratis yo pa akseptab pou retounen.Pou kalifye pou yon retounen, atik ou a dwe itilize epi nan menm kondisyon ke ou te resevwa li. Li dwe tou nan anbalaj orijinal la.Apre resevwa enstriksyon retounen nan men nou, tanpri anbalaje atik retounen ou yo epi depoze pake ou a nan biwo lapòs lokal la oswa yon lòt kurye. Nou pral trete atik retounen oswa echanj ou a nan 3-5 jou ouvrab apre nou resevwa li. Rembousman an pral trete ak kredite otomatikman nan metòd orijinal ou a nan peman.Pa gen retounen oswa echanj ka aksepte si pwodwi a te pwodui koutim, ki gen ladan gwosè koutim, koulè koutim, oswa enprime koutim.Bezwen plis èd, tanpri kontakte nou. service@roymall.com oswa Whatsapp: +8619359849471
2.Règleman Rembousman
Ou pral jwenn yon rembousman konplè oswa 100% kredi magazin apre nou resevwa pake retounen an epi verifye li. Rembousman an pral trete ak kredite otomatikman nan metòd orijinal ou a nan peman.Tanpri sonje ke frè livrezon ak nenpòt dwa oswa frè yo pa rembousab. Frè livrezon siplemantè yo pa rembousab yon fwa pake a te anbake. Ou responsab pou peye frè sa yo epi nou pa kapab egzante oswa rembouse yo, menm si lòd la retounen tounen vin jwenn nou.Yon fwa nou resevwa ak konfime atik retounen ou a, nou pral voye yon imèl ba ou pou fè ou konnen ke nou te resevwa atik retounen ou a. Nou pral tou fè ou konnen apwobasyon oswa rejè rembousman ou.Si ou gen nenpòt pwoblèm konsènan pwosesis rembousman an, tanpri kontakte nou. service@roymall.com oswa Whatsapp: +8619359849471
Features:
1. This MPPT/PWM 4000W Solar Charge Controller offers automatic voltage detection, compatible with 12V, 24V, 36V, or 48V battery systems, making it ideal for a multitude of off-grid solar applications.
2. The controller provides a high-quality MPPT+PWM solar controller function ensuring efficient and reliable charging performance.
3. It houses a smart charging voltage system, adjusting accordingly to 13.7V for 12V batteries, 27.4V for 24V, 41.1V for 36V, and 54.8V for 48V batteries.
4. It contains a robust load protection system, ensuring stable battery charging and preventing voltage identification errors.
5. It enables clock setting and voltage adjusting for precise control, ensuring an efficient charging process and lower voltage cut-off for DC load to maximize battery life.
Tips:For questions about your order, place of delivery, product discount, taxation, delivery time, warranty, shipping, payment, exchange rate, and other questions unrelated to the product, please contact customer service.
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Q:
What is the solar panel input spec ? What is the max voltage panel to use for 12v battery 24v battery 48 volt battery ? And how may amps and watts can the solar array be ?
What is the solar panel input spec ? What is the max voltage panel tro use for 12v battery 24v battery 48 volt battery ? And how may amps and watts can the solar array be ?