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LONGi 505W Monocrystalline Solar Panel
The LONGi LR5-66HPH-505M is a 505W monocrystalline solar panel built with 132 half-cut P-type cells and a durable silver frame. It delivers reliable output rated at Vmp 38.53V and Imp 13.11A, making it a dependable choice for residential and commercial arrays.
$256.00
($0.50/W)
Available to ship 174 ready to ship
Ships in 1–3 business days.
Delivers in 2–5 business days
Available for pickup 4 locations
Pickup across our network
Ready for pickup as early as Mon, Oct 19
— we’ll tell you about drops and promotions.
Volume pricing
505 W
1 – 9
$256.00
$0.50 / W
10 – 19
$243.20
$0.48 / W
20 – 30
$235.52
$0.46 / W
31
$225.28
$0.44 / W
62+
$217.60
$0.43 / W
Applied automatically at checkout.
Contact us for larger orders
The LONGi LR5-66HPH-505M is a 505W monofacial monocrystalline solar panel designed for residential, commercial, and utility-scale installations. It uses 132 half-cut P-type cells (66 half-cut) with a white backsheet and silver 35mm frame for structural strength. With Voc of 45.7V, Isc of 13.97A, and a max series fuse rating of 25A, it offers steady performance across a wide range of array configurations.
Key Features:
- Rated power output of 505W
- P-type monocrystalline cells
- 132-cell design (half-cut 66)
- Monofacial construction with white backsheet
- Voc 45.7V / Vmp 38.53V
- Isc 13.97A / Imp 13.11A
- Max series fuse rating 25A
- Silver frame, 35mm frame size
- 81.6″ x 44.6″ x 1.4″, 55.3 lb
- 31 panels per pallet, 682 per container
Ideal for grid-tied residential and commercial rooftops as well as ground-mount arrays, this panel suits installers seeking dependable high-wattage output. Its standard cell count and 25A fuse rating integrate easily with common inverters, optimizers, and racking systems. Order the LR5-66HPH-505M (also listed as LR566HPH505M) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.
| Rated power (STC) | 505 W |
|---|---|
| Open-circuit voltage (Voc) | 45.70 V |
| Short-circuit current (Isc) | 13.97 A |
| Voltage at max power (Vmp) | 38.53 V |
| Current at max power (Imp) | 13.11 A |
| Module efficiency | 21.3 % |
| Cell technology | Half-cell, M10 Gallium-doped Wafer, 9-busbar Half-cut Cell |
| Cell count | 132 (6×22) |
| Max system voltage | DC1500V (IEC/UL) |
| Temp coefficient of Pmax | -0.340 %/°C |
| Dimensions (L×W×H) | 2094×1134×35 mm (82.4 × 44.6 × 1.4 in) |
| Weight | 26.0 kg (57.3 lb) |
| Product warranty | 12 yr |
| Performance warranty | 25 yr |
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