Best seller

Why These Products Lead the Market

Every product featured in our Best Seller collection has been repeatedly tested in real-world installations. These components are chosen because they consistently deliver superior performance across a wide range of climates and system demands. From Pacific Northwest rain to high-heat desert conditions, these items maintain stable output and long operational life. Their reliability makes them the preferred choice for installers who require quality they can count on.

Another core reason these items stand out is their exceptional value-to-performance ratio. Customers receive excellent power output, high efficiency, and extended warranties without paying a premium. These products strike the perfect balance between affordability and cutting-edge engineering. As a result, many repeat customers consider this curated range their first stop when upgrading or expanding their solar systems.

Our Best Seller range also represents brands with a strong reputation in the solar industry. Companies like JA Solar, SolarEdge, Enphase, BYD, LG, and JinkoSolar consistently meet global quality and safety standards. Their technologies power homes, businesses, and large-scale installations around the world, making them a natural fit for this collection.

Highlighted Features of the Best Seller Collection

High-Efficiency Solar Panels (400–500 W)

The panel selection includes high-output monocrystalline modules known for superior energy harvest and excellent low-light performance. Popular models feature all-black aesthetics, half-cut cell designs, improved heat dissipation, and industry-leading 25-year warranties. These panels are ideal for customers wanting sleek rooftop installations without compromising efficiency.

String & Microinverters (3–12 kW)

Top-selling inverters come from manufacturers recognized for precision engineering and advanced monitoring. Models from Fronius, SolarEdge, and Enphase offer high conversion efficiency—often near 98%—ensuring maximum energy yield. Many units seamlessly support hybrid battery systems, making them ideal for customers interested in future expansion.

Energy Storage Systems (ESS)

Energy storage continues to be one of the fastest-growing categories in our Best Seller lineup. ESS modules typically range from 5 to 20 kWh and are known for their scalability and long cycle life. Many use LiFePO₄ chemistry for improved safety and stability. These systems pair easily with hybrid inverters and make it simple to create reliable backup power for homes or businesses.

Balance-of-System Essentials

Essential system accessories such as MC4 connectors, PV-rated cables, grounding equipment, and battery-paralleling components are also highly rated for their durability. These items help ensure smoother installations, secure electrical connections, and long-lasting system performance.

Ideal Applications for Best Seller Products

Home Solar & Storage:

Customers looking to build efficient home energy systems can combine high-wattage panels with smart inverters and modular batteries. This ensures continuous power availability, even during outages.

Commercial Installations:

Businesses prefer Best Seller components because they deliver strong ROI, predictable performance, and minimal maintenance requirements. These products perform well in high-load environments where reliability is essential.

Turnkey System Builds:

Installers and developers benefit from selecting products that are compatible, well-supported, and easy to integrate. This collection simplifies procurement and speeds up project delivery timelines.

Why Choose Portlandia Electric Supply

Every product in our Best Seller collection meets strict quality benchmarks. From solar generation to energy storage and system accessories, each component offers durability, high efficiency, and dependable support. Whether you’re searching for seasonal promotions, premium system upgrades, or the best offers during Cyber Monday, this collection is designed to help you make a confident, well-informed purchase.

Popular Best seller models & specs

• VSUN VSUN440N-108BMH-DG-BB
• Chint Power CPS Inverter - SCA28KTL-DO/US-480
• Bluetti AC180P PORTABLE POWER STATION P-AC180P-US-GY-BL-010 — full specifications & datasheet
• APsystems IMO 3 Pole 32 Amp Isolator Encloser - PE69-3032
• MidNite Solar MNSSR-600S-SS Generator Accessories
• SMA SBSE3.8-US-50 Sunny Boy Hybrid Inverter
• SMA 03-30-1000-2-50 Inverter – Includes Service Call Rebate, Total 20-Year Coverage – GV10US-D PLUS 03-30-1000-2-50
• Apsystems CHINT Revenue Grade Meter 3 phase 250 AMP for 208V - 2270106003
• Victron Lynx Shunt VE.Can - LYN040102100
• Midnite Solar AC Combiner Box - MNPV6-DISCO AC MICRO
• Goodman Dragonfly Kit A2L Compatibility Boards - 0230K00044
• Cummins Annunciator - RS485 Panel Mount w/ Enclosure - RS22-RS100
• Ecobee 3 Lite Pro Smart Thermostat
• Cummins C175D6D - 175kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A061T476
• SMA 20-Foot Skid for SUNNY CENTRAL UP Inverter - MVPS-2660-S2-US-10
• Briggs and Stratton 150kW Standby Generator - 120/240V, 700A Breaker, Block heater and Battery charger included - 080020 — full specifications & datasheet
• Briggs & Stratton 080005 Liquid Cooled LPV 80kW Standby Generator
• Cummins RS20ACE - 20kW Quiet Connect Series 120/240V 1 Phase Air Cooled Standby Generator with 200A, SE, 3R ATS - A071Z395 — full specifications & datasheet
• Generac Two Wire Start Kit
• Cummins RS25 - 25kW Quiet Connect Series 120/208V 3 Phase Liquid Cooled Standby Generator - A051Y399
• Cummins C125D6D - 125kW 120/240V 1 Phase Light Commercial Diesel Standby Generator - A060A344 — full specifications & datasheet
• ZNShine Solar 585W Solar Panel 144 Cell Bifacial ZXM7-UHLDD144-585 Commercial 720 panels per Container (Truckload) — full specifications & datasheet
• Hyperion (Runergy) 405W Solar Panel 108 Cells Bifacial HY-DH108P8B-405 Wholesale 36 panels per pallet — full specifications & datasheet
• Cummins Battery- Wet, 12 V, 450 CCA, Group Size 51R - RS13-RS20
• Cummins OTEC 600 NSE 600 Amp NSE 480V 3ph Automatic Transfer Switches - A075F144 — full specifications & datasheet
• APsystems ECU-C Communications Gateway
• BYD MC Cube ESS 4659kWh Liquid Cooling LFP Battery Energy Storage System - MC10C
• VSUN 120 Mono Cells Black/Black 490w Solar Panel - VSUN490N-120BMH-DG-BB — full specifications & datasheet
• Bluesun - 460W - Bifacial Mono Perc Solar Panel - (36) Pallet Only - BSM460M-72HBD — full specifications & datasheet
• Aptos 144 Bifacial Black/Black 550w Solar Panel - DNA-144-BF10-550W-DG — full specifications & datasheet
• Axitec AU12641 400W MBT Solar Panel - AC-400MH/108V — full specifications & datasheet
• Cummins C50D6 - 50kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A063P965 — full specifications & datasheet
• Amana PTAC PTH R410A K MODELS— COOLING/HEAT PUMP/AUXILIARY ELECTRIC HEAT - PTH093K
• Generac Protector 25KW Automatic Standby Liquid-Cooled Gaseous Engine Generator in Aluminum Enclosure - RG025 — full specifications & datasheet
• EG4 Electronics 18kPv + 3 x EG4 Electronics PowerPro 42.9kWh Capacity Energy Storage System - PP-16/280A3-18K1-AWLL — full specifications & datasheet
• Hyundai 640W Solar Panel 156 cell Bifacial HiN-T640NJ TopCon Commercial 496 panels per Container (Truckload) — full specifications & datasheet
• Cummins Battery Charger - Stand Alone ,10 Amp (12V/24V) - RS22-RS100 — full specifications & datasheet
• Cummins RS50 50kW Standby Generator | 1-Phase 120/240V | Quiet Connect
• Briggs & Stratton 080015 Liquid Cooled LPV 125kW Standby Generator
• Aptos 440W Black On Black 144 Half-cell Mono Solar Panel - DNA-144-MF26-440W — full specifications & datasheet
• Cummins OTEC 125 Amp NSE 480V 3ph Automatic Transfer Switches - A075F125 — full specifications & datasheet
• Cummins RS30 - 30kW Quiet Connect Series 120/240V 3 Phase Liquid Cooled Standby Generator - A051Y405
• Ecobee Smart Thermostat Enhanced
• Aptos 120 Bifacial Black/Black 450w Solar Panel - DNA-120-BF10-450W — full specifications & datasheet
• Cummins Acumen T005F A
• Generac Paint Kit Gray
• Generac Protector 30KW Automatic Standby Liquid-Cooled Gaseous Engine Generator in Aluminum Enclosure - RG030
• Sunergy 400W Black On Black 108 Half-cell Mono Solar Panel - VSUN400-108BMH
• Solis Inverters Data Logging Stick - DLS-L(LAN)
• BYD MC Cube ESS 5365kWh Smart Air Cooling LFP Battery Energy Storage System - MC
• Cummins RA 300 Amp SE 240V 1ph Automatic Transfer Switches - A066V486 — full specifications & datasheet
• ZNShine 144 Mono Cells Black/Silver 550w Solar Panel - ZXM7-SHLDD144 — full specifications & datasheet
• Philadelphia Solar 108 Half Cells Black/Black 440w Solar Panel - PS-MNB108-(HCBF)-440W
• Phono Solar 590W Solar Panel 144 Cells Bifacial PS590M8GF-24/TNH
• Cummins RA 400 Amp NSE 240V 1ph Automatic Transfer Switches - A050W633 — full specifications & datasheet
• Briggs and Stratton InfoHub Cellular (4G) Monitor SP, Universal (used with all B&S and competitor gensets) - 6574
• RCP Block & Brick Inc. Ballast Block - BALLAST BLOCK
• Talesun 144 Half Cells Black/Silver 590w Solar Panel - TM7G72M 590W
• Panasonic Evervolt 2.85KWH Lithium-ion Battery - BJ-DCB105ZKT — full specifications & datasheet
• Trina 535W Mono XL Bifacial Solar Panel - TSM-DEG19C.20-BF
• Chint 275kW 3Phase String Inverter 1500VDC 12 MPPT 800Vac (Specify 24 or 36 input) - SCH275KTL-DO/US-800
• Goodman GLXS5B| 15.2 Seer2 Split System Air Conditioner Single Stage Replaces GSXH5 - GLXS5BA6010
• Briggs and Stratton Diagnostic Dongle Kit for LC 25-60kW Impco Engines - 6275
• Cummins RS100 100kW Standby Generator | 1-Phase 120/240V | Quiet Connect
• Cummins C80D6C - 80kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A063P967
• BYD BATTERY-BOX LV FLEX LITE
• Canadian Solar HiKu6 395W Mono Solar Panel - CS6R-395MS-HL — full specifications & datasheet
• Solis 5.0kW Single Phase Dual MPPT Hybrid Inverter - RHI-1P5K-HVES-5G-SPRT
• Generac Surface Mount Remote Annunciator Panel With 8 Relays - for Power Zone Controller
• Cummins Kit, Battery Charger (6 amp mounted) - RS22-RS40
• Evolve-Lithium Iron Phosphate - low voltage (48VDC) batteries - Eguana- 5kw - 14.3kwh battery bank Evolve- Lithium Iron Phosphate — full specifications & datasheet
• SMA Solar Sunny Boy Inverter NO WLAN (Wi-Fi) - SB7.7-1SP-US-41-V2
• Generac Surface Mount Remote Annunciator Panel Without Relays - for Power Zone Controller
• GoodWe ES US Series G2 Hybrid Inverter w/ EZLink 4G - GW11K4-ES-US20
• Briggs and Stratton 80kW Standby Generator - 120/240V, 350A Breaker, Block heater and Battery charger included - 080080 — full specifications & datasheet
• Champion 14kW aXis Generator (aXis ATS compatible only) - 100515 — full specifications & datasheet
• Cummins OTEC 125 Amp NSE 208V 3ph Automatic Transfer Switches - A075F124 — full specifications & datasheet
• Briggs and Stratton Basic Wireless Monitor - 15-20kW Only and 25-30kW with B&S Controller - 6276
• Cummins RS60 60kW Standby Generator | 3-Phase 120/240V | Quiet Connect
• REC Twinpeak 4 BLACK 365W Black On Black 120 Half-cell Mono Solar Panel - REC365TP4 — full specifications & datasheet
• ZNShine 540W Clear On White 144 Half-cell Mono Solar Panel - ZXM7-SHLDD144-540/M — full specifications & datasheet
• Cummins RS125 125kW Standby Generator | 1-Phase 120/240V | Quiet Connect
• Canadian Solar Bihiku 450W Clear On White 144 Half-cell Bifacial Mono Solar Panel - CS3W-450MB-AG — full specifications & datasheet
• Enphase IQ7 250W Microinverter - IQ7-60-2-US — full specifications & datasheet
• Delta Electronics M42U_122 3-phase inverter - RPI423M122302
• Cummins C30D6 - 30kW Quiet Connect Series 120/240V 1 Phase Liquid Cooled Standby Generator - A063P963
• Solis AC Combiner Box - 800V/800A
• Aptos 370W Black On Black 120 Half-cell Mono Solar Panel - DNA-120-MF26-370W
• Panasonic 9.0kWh Energy Storage System - EVHB-I7-X10
• Trina Solar Residential Module 365W Black On Black 132 Half-cell Mono Solar Panel - TSM-365-DE06X.05(II)
• Cummins RA 150 Amp SE 240V 1ph Automatic Transfer Switches - A066V485 — full specifications & datasheet
• Roypow ESS includes 15KW Hybrid inverter and 40.8KWH LiFePO4 Battery pack of 8 RBmax 5.1H Batteries - SUN15000S-U/A-8
• Philadelphia Solar 144 Half Cells Black/Silver 580w Solar Panel - PS-MNB144-(HCBF)-580W
• Amana PTAC HEH (HIGH EFFICIENCY) R32 J MODELS COOLING/HEAT PUMP/AUXILIARY ELECTRIC HEAT - HEH123J
• Cummins RS100 100kW Standby Generator | 3-Phase 277/480V | Quiet Connect
• Bluesun - 415W - Black Mono-Facial Perc Solar Panel - Pallet Only - BSM415M10-54HPH
• SolarEdge SE-100K Three Phase Synergy Manager 480V (3 secondary units required) - SE-100K-US08IBNZ4 — full specifications & datasheet
• GSTAR 400W Solar Panel 108 Cell Black Bifacial GSP7G54M(H) Commercial 936 panels per Container (Truckload) — full specifications & datasheet
• Canadian Solar 132 TOPCon BF Black/Silver 620w Solar Panel - CS6.2-66TB-620 — full specifications & datasheet
• Amana PTAC HEH (HIGH EFFICIENCY) R410A K MODELS COOLING/ HEAT PUMP/AUXILIARY ELECTRIC HEAT - HEH153K

Looking for something older or hard to find? Browse the Deep Catalog Archive — long-tail models not shown in our main categories.