Conversion efficiency up to
23.2%

Discover the Felicity Solar GK-1-72HTBD-580M solar panel with 580W power and 51.47V open circuit voltage for efficient energy solutions.
Introducing the Felicity Solar GK-1-72HTBD-580M, a high-performance solar panel designed to deliver maximum efficiency with a rated power of 580W. Engineered for reliability, it features an open circuit voltage of 51.47V, making it ideal for various energy applications.
| Rated Maximum Power (Pmax) | 580W |
|---|---|
| Open Circuit Voltage (Voc) | 51.47V |
| Short Circuit Current (Isc) | 14.37A |
| Maximum Power Current (Imp) | 13.62A |
| Frame | anodized aluminium alloy |
| Front Glass | heat strengthened coated glass (0.08in / 2.0mm) |
| Back Glass | heat strengthened glass (0.08in / 2.0mm) |
| Output Cables | TÜV 1×4mm², (+)300mm, (-)200mm (support customization) |
| Temperature Coefficient Of Isc (Α_Isc) | +0.045% / °C |
| Temperature Coefficient Of Voc (Β_Voc) | -0.25% / °C |
| Temperature Coefficient Of Pmax (Γ_Pmp) | -0.29% / °C |
| Protection Level | Class II |
| Weight | 68.34 lbs / 31.0 kg |
| Dimensions | 89.68×44.65×1.18in / 2278×1134×30mm |
| Certifications | CE, IEC 61215(2021)/IEC 61730(2023), PID |
| Maximum System Voltage | DC1500V (IEC) |
|---|---|
| Operating Temperature | 113 ± 3.6°F / 45 ± 2°C |
| Maximum Series Fuse | 30A |
| Maximum Static Load, Front | 5400Pa |
| Maximum Static Load, Back | 2400Pa |
Felicity battery not charging? Below 0°C the BMS blocks the charge, a charge voltage under 57.6 V never fills the pack, and codes C01–C08 explain the rest.
Read: Felicity Battery Not Charging? Codes, Causes & Fixes →A long outage drained the battery, the grid came back shaky, and now there is a code on the screen. What 04, C02, 27 and the grid-return alarms really mean.
Read: Felicity Inverter Error After a Power Cut? What It Means →Inverter cutting out on hot afternoons? Error 18, T-REX 35/F35, E-CHO E12/E13, MPPT 87 and battery C09 — the official Felicity heat codes and their fixes.
Read: Felicity Inverter Overheating? Error 18 & Heat Codes →The GK-1-72HTBD-580M solar panel has a rated maximum power (Pmax) of 580W, an open circuit voltage (Voc) of 51.47V, and a maximum power voltage (Vmp) of 42.59V. It delivers a short circuit current (Isc) of 14.37A and a maximum power current (Imp) of 13.62A.
Yes, the GK-1-72HTBD-580M is designed to be compatible with a wide range of solar systems. Its output cables are TÜV certified and support customization, making it adaptable to various setups.
The panel measures 89.68×44.65×1.18 inches (2278×1134×30 mm) and weighs 68.34 lbs (31.0 kg). It features a robust anodized aluminum alloy frame and heat-strengthened glass on both sides.
Installation should be performed by a qualified professional to ensure optimal performance and safety. The panel's dimensions and weight require adequate support structures, and it should be installed in a location with maximum sun exposure.