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HQST Bifacial 100W 12V 9BB Monocrystalline Solar Panel

SKU: HSP100D-30AT-G1-US
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$54.99 $129.99
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  • Bifacial technology, up to 15% extra power output, captures front & rear sunlight.
  • Up to 115W output from a 100W panel, better energy harvest.
  • Reflective-surface optimized, rear-side light utilization improved.
  • 20°–45° tilt recommended for maximum bifacial gain.
  • Grade A+ 9BB cells, EL-tested, no cracks, up to 25% efficiency.
  • PERC cell technology, enhanced low-light performance, bypass diodes built in.
  • IP68 waterproof, anti-corrosion aluminum frame.
  • 2400 Pa wind & 5400 Pa snow load, 30-year lifespan.
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Return & refund policy

Shipping, Returns & Refunds Policy

Shipping

  • Free standard ground shipping on orders $49.99+ (before tax).
  • Orders below $49.99 are charged a $5 flat shipping fee.
  • Free shipping applies within the contiguous United States only.
  • Oversized, heavy, or restricted items may be excluded (noted on product page).
  • Orders are processed within 1–3 business days (excluding weekends and holidays).
  • Estimated delivery time is 2–7 business days after shipment.
  • Orders may ship in multiple packages, each with its own tracking number.
  • A valid street address is required; some items cannot be delivered to PO Boxes.
  • Shipments cannot be rerouted once shipped.
  • Shipping to Alaska and Hawaii is available with surcharges.
  • International shipping availability varies by location; customers are responsible for customs clearance and duties.

Order Cancellation

  • Orders can be canceled within 4 hours of placement, before shipping begins.
  • Once shipped, cancellation or interception cannot be guaranteed.

Returns

  • Return requests must be submitted within 30 days of delivery.
  • Items must be unused, undamaged, unmodified, and returned in original packaging.
  • A Return Merchandise Authorization (RMA) is required before returning any item.
  • Modified products are not eligible for return.

Return Shipping Costs

  • HQST covers return shipping only if the product was damaged during shipping, defective, or an incorrect item was delivered.
  • For all other reasons, return shipping costs are the customer’s responsibility.

Refunds

  • Refunds are issued within 7–10 business days after inspection.
  • Refunds are processed to the original payment method.
  • Damage caused by improper installation or handling is not eligible for refund.

Replacements

  • Shipping or manufacturing damage must be reported within 30 days, with supporting photos.
  • Replacement items ship via standard shipping only and cannot be expedited.
  • Replacements can only be shipped to the original country of purchase.

Third-Party Purchases

  • Orders placed through third-party sellers are subject to the seller’s return policy.
  • HQST provides warranty replacements only for eligible third-party purchases.

Contact

For shipping, returns, refunds, or replacements, contact:
sales@myhqsolar.com

Description
Specs
FAQ
Reviews
Get More Energy
Grade A+ Cells
Better PERC Cells
Built to Last
Reliable Package for Maximum Protection
Maximum Power at STC
100 W + 5%
Cell Efficiency
Up to 25%
Optimum Operating Voltage (Vmp)
17.4 V + 3%
Open-Circuit Voltage (Voc)
20.4 V + 3%
Optimum Operating Current (Imp)
6.15 A + 5%
Short-Circuit Current (Isc)
6.46 A + 5%
Operating Temperature
-40°F to 194°F
Maximum Series Fuse Rating
15A
Maximum System Voltage
600V DC (UL)
Dimensions
22.7 x 38.2 x 1.18 in/576 x 970x 30 mm
Weight
12.13 lbs/5.5 kg

How can I increase the energy output of my solar panels?

For this bifacial solar panel, we recommend installing it on reflective surfaces or mounting it above the ground to capture more sunlight from the rear. For optimal performance, position the panels at an angle between 20° and 45° in highly reflective areas such as snow, concrete, sand, grass, or white surfaces.

How should I connect solar panels to my electrical circuit (series vs. parallel)?

Solar panels can be connected in either series or parallel, depending on your electrical circuit size and power needs. It’s best to connect panels with the same open-circuit voltage.
When connected in series, the voltage (V) increases, while the current (A) stays the same.
On the other hand, connecting panels in parallel increases the current (A), while the voltage (V) remains constant.

Do these panels have pre-drilled holes on the back?

Yes, they do. There are four pre-drilled holes to make installing the solar panel quick and secure.

Can this solar panel be used with a 12V marine battery or a 48V lithium battery?

Yes, it can. The optimal operating voltage of this 100W solar panel is 17.4V, making it suitable for charging a 12V marine battery. For a 48V lithium battery, you’ll need to connect at least three solar panels in series.
Please ensure that you connect the solar panel(s) to a charge controller that supports either a 12V or 48V system.

What do I need to have to complete my off-grid solar power system?

Here’s a list of all the equipment required for a functioning off-grid solar system:
Solar Panels, Solar Charge Controller, Inverter(s), Battery, Mounting and Racking System, Wiring Cables, and Fuses.

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