The Solar Step
620W JA Mono PERC Bi-Facial Solar Panel (JAM66D42-620/MB)
620W JA Mono PERC Bi-Facial Solar Panel (JAM66D42-620/MB)
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Title:
JA Solar 620W Mono PERC Bi-Facial Panel – High Efficiency, Rack Mount Ready
Model : JAM66D42-620/MB
Description:
Key Features:
High-Efficiency Mono PERC Technology
620W power output with excellent low-light performance
Monocrystalline PERC cell design improves efficiency and yield
Designed to reduce LID (Light-Induced Degradation) and maximize real-world output
Standardized Cable & Connector System
Multicontact Connector Type 4 for plug-and-play compatibility
12 AWG PV Wire with 1300mm (51.2in) length for flexible installations
Factory-fitted cables simplify string assembly
Robust Physical Construction
Aluminum frame with clear finish and white backsheet
Dimensions: 2279mm x 1134mm x 35mm (L x W x D)
Weight: 28.6 kg (63.1 lbs)
Compatible with industry-standard rack-mounting systems
Recommended Use
Grid-tied residential and commercial installations
Scalable systems with hybrid or battery storage integration
Suitable for use with MPPT charge controllers and hybrid inverters
Installation Requirements
Must be installed by a qualified solar professional
Designed for rack-mounted setups with appropriate hardware
Important Note:
Solar panels are shipped at buyer’s risk. While we take every precaution with protective packaging, courier damage to glass items such as solar panels cannot be covered unless collected in-store. Please consider this carefully when choosing delivery options.
Let customers speak for us
I must admit I was very nervous buying online again after a 3 month battle with Solar Butler. But you have restored my faith in online shopping your service was very efficient and dilivery was before the said date. Great job guys.
Working great on my inverter. Will recommend it to anyone that is struggling with the same brand inverter. Fast delivery also
I just want to say your service is very very good and your priceing thank you very much
Exited to have received my battery. Will be installing it Today. Never go wrong The Solar Step, reliable and have good customer services
10/10 service assistance. Both on call and via WhatsApp. Professional and efficient.
+ Products delivered on time . Special thanks to Keishendra .
Very happy with the amazing service offered by Solar Step .
Keep it up . And may your business prosper tenfold 🎉
Best service ever, I got my ME51100SE delivered so quick, thank you for your service
Very happy about the service received
Service was fast and efficient. Battery arrived within two days of placing the order.
Thus was just an oder to replace the battery in my inverter, but I was impressed enough that I would use them again when the need arises.
Best service ever, fast delivery. Technically supportive, am extremely happy with the service and the product.
I write reviews on every product I buy. The GenXair 24000btu is more than what they could described.
It's an excellent unit delivering above expectations.
How long it will last and the aftersales service we will see in time.
First impressions is above average.
A must have for every DBboard
Great innovation
Still waiting for the power to trip. I know its a weird ask, but would like to test the system and see what it has to offer.
Still figuring out how the battery usage is managed, but as for the rest it operates seamless.
Got the app operational with a little help from my friend and gives useful information. Enjoying the Deye 12kW journey.
Still need to neaten-up the wiring though.
I thank you.
Overall, this inverter has exceeded my expectations. Highly recommended to anyone
