============================================================ TITLE: 50W SemiFlex Solar Panel with Built-In Charge Controller and Integrated Edge Seal (R3-15F14.4VXBA) TYPE: article VERSION: 2 VERSION_ID: d41b45f4-ddbc-4d55-9f95-cb6e7c8ffb39 GENERATED_AT: 2026-06-15T17:02:31.644Z SUMMARY: The 50W solar panel includes semi-flexible fiberglass backing, full backside butyl adhesive, and an integrated fixed power point (FPPT) charge controller. AUTHOR: minimizing panel flex READING TIME: 5 min WORD COUNT: 979 KEYWORDS: 50W SemiFlex Solar Panel with Built, Product Details:, Kit Options:, IV Curve SOURCE URL: https://www.powerfilmsolar.com/products/50w-semiflex-solar-panel-with-built-in-charge-controller-and-integrated-edge-seal ============================================================ KEY TAKEAWAYS: * Product Details: * Kit Options: * Benefits: * IV Curve 50W SemiFlex Solar Panel with Built-In Charge Controller and Integrated Edge Seal (R3-15F14.4VXBA) Applications: Starting battery management for two-battery vehicles, TRU battery management, and telematics. Specifications: Panel output to PowerBoost Built-In Charge Controller Nominally 50W PowerBoost Built-In Charge Controller Output to Battery Charges 12V battery (Flooded, AGM, or LiFePO) Charging voltage 14.4V float, 14.6V max Charging efficiency 88-91% Effective power to battery 44.3W  Current to the battery 2.8A - 3.8A (depending on battery voltage). ### Applications: * Starting battery management for two-battery vehicles, TRU battery management, and telematics. ### Specifications: * Panel output to PowerBoost Built-In Charge Controller Nominally 50W Panel output to PowerBoost Built-In Charge Controller * Nominally 50W * PowerBoost Built-In Charge Controller Output to Battery Charges 12V battery (Flooded, AGM, or LiFePO) Charging voltage 14.4V float, 14.6V max Charging efficiency 88-91% Effective power to battery 44.3W  Current to the battery 2.8A - 3.8A (depending on battery voltage). PowerBoost Built-In Charge Controller Output to Battery * Charges 12V battery (Flooded, AGM, or LiFePO) * Charging voltage 14.4V float, 14.6V max * Charging efficiency 88-91% * Effective power to battery 44.3W * Current to the battery 2.8A - 3.8A (depending on battery voltage). ## Product Details: * Description Keep your fleet running smoothly with the 50W SemiFlex Solar Panel, designed for commercial transportation. This maintenance-free solution charges starting batteries for two-battery vehicles, supports TRU batteries, and powers telematics, helping fleet managers prevent starting battery failures and reduce downtime. The Integrated PowerBoost Charge Controller maximizes solar output for 12V battery systems, extending battery life, preventing overcharging, and reducing maintenance expenses. The Place & Pull double-release liner enables quick, damage-free installation by minimizing panel flex, a common issue with other semi-flexible designs. This protects the high-efficiency Maxeon monocrystalline cells, ensuring exceptional power output and long-term durability. With an integrated edge seal, the panel eliminates the need for external edge taping, reducing installation time while ensuring a clean, professional finish that withstands harsh conditions. The 50W SemiFlex Solar Panel helps fleets stay on schedule by reducing jumpstarts, extending battery life, and cutting maintenance costs—improving reliability, efficiency, and overall performance. Kit Options: 12ft. Wiring Harness Kit (CTK-G-50-12): 50W SemiFlex Solar Panel with Built-In Charge Controller and Integrated Edge Seal 12ft. Wiring Harness 25ft. Wiring Harness Kit (CTK-G-50-25): 50W SemiFlex Solar Panel with Built-In Charge Controller and Integrated Edge Seal 25ft. Wiring Harness Benefits: Easy installation with integrated edge seal and Place & Pull double-release liner Built-in PowerBoost Charge Controller for optimized charging and battery safety Rugged, self-cleaning surface High-efficiency Maxeon cells for maximum power output  Designed, engineered and assembled in the USA Tested to meet or exceed performance standards IV Curve #### Description Keep your fleet running smoothly with the 50W SemiFlex Solar Panel, designed for commercial transportation. This maintenance-free solution charges starting batteries for two-battery vehicles, supports TRU batteries, and powers telematics, helping fleet managers prevent starting battery failures and reduce downtime. The Integrated PowerBoost Charge Controller maximizes solar output for 12V battery systems, extending battery life, preventing overcharging, and reducing maintenance expenses. The Place & Pull double-release liner enables quick, damage-free installation by minimizing panel flex, a common issue with other semi-flexible designs. This protects the high-efficiency Maxeon monocrystalline cells, ensuring exceptional power output and long-term durability. With an integrated edge seal, the panel eliminates the need for external edge taping, reducing installation time while ensuring a clean, professional finish that withstands harsh conditions. The 50W SemiFlex Solar Panel helps fleets stay on schedule by reducing jumpstarts, extending battery life, and cutting maintenance costs—improving reliability, efficiency, and overall performance. ## Kit Options: ### 12ft. Wiring Harness Kit (CTK-G-50-12): * 12ft. Wiring Harness ### 25ft. Wiring Harness Kit (CTK-G-50-25): * 25ft. Wiring Harness * Easy installation with integrated edge seal and Place & Pull double-release liner * Built-in PowerBoost Charge Controller for optimized charging and battery safety * Rugged, self-cleaning surface * High-efficiency Maxeon cells for maximum power output * Designed, engineered and assembled in the USA * Tested to meet or exceed performance standards * Important Notes All connections must be solar positive (red) to battery positive and solar negative (black or blue) to battery negative. Reversing can damage the solar panel. Consult your battery manufacturer if you have questions about the specifications of your battery. #### Important Notes All connections must be solar positive (red) to battery positive and solar negative (black or blue) to battery negative. Reversing can damage the solar panel. Consult your battery manufacturer if you have questions about the specifications of your battery. * Specifications Power: Panel output to PowerBoost Built-In Charge Controller Nominally 50W PowerBoost Built-In Charge Controller Output to Battery Charges 12V battery (Flooded, AGM or LiFePO) Charging voltage 13.8V float, 14.5V max Charging efficiency 88-91% Effective power to battery 44.3W  Current to the battery 2.8A - 3.8A (depending on battery voltage). Charge controller: Protection Reverse polarity ESD capability (AEC-Q101): human body model: class H3B: > 8 kV Reverse leakage Physical: Dimensions 43.7 x 12.6 x 0.1 (in) / 1,110.0 x 320.0 x 2.5 (mm) Weight 2.9lb / 1.3kg Environmental: Temperature Coefficient Power: -0.27%/ºC Voltage: -0.236%/ºC Current: 0.058%/ºC Storage temperature: -40°C to 85°C Operating temperature: -40°C to 85°C #### Specifications * Charges 12V battery (Flooded, AGM or LiFePO) * Charging voltage 13.8V float, 14.5V max ### Charge controller: * Protection Reverse polarity ESD capability (AEC-Q101): human body model: class H3B: > 8 kV Reverse leakage Protection * Reverse polarity * ESD capability (AEC-Q101): human body model: class H3B: > 8 kV * Reverse leakage * Dimensions 43.7 x 12.6 x 0.1 (in) / 1,110.0 x 320.0 x 2.5 (mm) Dimensions * 43.7 x 12.6 x 0.1 (in) / 1,110.0 x 320.0 x 2.5 (mm) * Weight 2.9lb / 1.3kg * 2.9lb / 1.3kg ### Environmental: * Temperature Coefficient Power: -0.27%/ºC Temperature Coefficient * Power: -0.27%/ºC * Voltage: -0.236%/ºC Current: 0.058%/ºC * Voltage: -0.236%/ºC * Current: 0.058%/ºC * Storage temperature: -40°C to 85°C * Operating temperature: -40°C to 85°C * Resources Instructions Spec Sheet Installation Video FAQs Instructions Spec Sheet Installation Video ------------------------------------------------------------ ABOUT THIS CONTENT ------------------------------------------------------------ Source: https://www.powerfilmsolar.com/products/50w-semiflex-solar-panel-with-built-in-charge-controller-and-integrated-edge-seal Author: minimizing panel flex This content is provided for informational purposes. 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