Locally owned and operated in Colorado since 2002--Everything You Need to Go Solar!
{"id":9411412951279,"title":"Eco Energy Advanced Solar Charge Control 20A 24V - S2024","handle":"eco-energy-advanced-solar-charge-control-20a-24v-s2024","description":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe Eco Energy S20 is a rugged 20-amp PWM solar charge controller designed for reliable off-grid performance in 24V systems. Featuring a durable stainless steel case, 100% solid-state series design (not shunt), and very low battery consumption, it delivers efficient, dependable charging for medium-sized 24V solar installations. With a maximum PV open circuit voltage of 60V and an operating range of -40°C to +50°C, it is ideal for commercial vehicles, telecommunications sites, remote cabins, industrial monitoring stations, and other off-grid applications. Designed and built in North America and backed by a 5-year warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e20 Amp Charging Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eProvides up to 20 amps of charging current for 24V systems, suitable for medium-sized off-grid solar installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e60V Maximum PV Open Circuit Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAccepts higher voltage solar arrays, providing flexibility in panel configuration and allowing longer wire runs with less voltage drop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSeries Design (Not Shunt):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eUses efficient series switching rather than shunt design for more reliable and effective charge control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e100% Solid State Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eNo moving parts or mechanical relays to wear out, ensuring silent, maintenance-free operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStainless Steel Case:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHoused in a rugged, corrosion-resistant stainless steel enclosure for long-lasting durability in harsh environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVery Low Battery Consumption:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eConsumes only 0.7 mA at idle\/standby and 2.5 mA while charging – preserving battery power for your loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTemperature-Compensated Charging:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAutomatically adjusts charge voltages based on ambient temperature, protecting batteries from undercharging in cold weather and overcharging in heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWide Operating Temperature Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eOperates reliably from -40°C to +50°C (-40°F to +122°F), suitable for year-round use in any climate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTypical Set Points (24V):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBulk charge at 28.8V ensures optimal battery charging for standard lead-acid batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5-Year Warranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBacked by a 5-year warranty for long-term peace of mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDesigned and Built in North America:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eEngineered and manufactured to high quality standards with local support.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eEco Energy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eS20 (24V configuration)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Battery Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e24 VDC (also available in 12V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMaximum Charging Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e20 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMaximum PV Open Circuit Voltage (VOC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e60 Volts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eRegulation Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePWM, series design (not shunt)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBulk Charge Voltage (24V)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e28.8V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFloat Charge Voltage (24V)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFollows bulk set point\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eIdle\/Standby Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e0.7 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eActive Charging Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2.5 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTemperature Compensation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eAutomatic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOperating Temperature Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e-40°C to +50°C (-40°F to +122°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCase Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eStainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDesign\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e100% solid state\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWarranty\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e5 years\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eMechanical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCase Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eStainless steel (rugged, corrosion-resistant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eProduct Documents\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eDatasheet: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0079\/6003\/5417\/files\/S20PWM.pdf?109\"\u003eDownload PDF\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","published_at":"2026-06-03T14:31:40-06:00","created_at":"2026-06-03T14:31:40-06:00","vendor":"Eco Energy","type":"","tags":["All products","Brand_Eco Energy","Eco Energy","Small Charge Controllers","Type_PWM"],"price":12000,"price_min":12000,"price_max":12000,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":49638387908847,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"S20-24","requires_shipping":true,"taxable":false,"featured_image":null,"available":true,"name":"Eco Energy Advanced Solar Charge Control 20A 24V - S2024","public_title":null,"options":["Default Title"],"price":12000,"weight":1361,"compare_at_price":null,"inventory_management":null,"barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.solarpanelstore.com\/cdn\/shop\/products\/11A_dual_bat1_360x_1169ac75-3bb5-4ff7-bd5d-0c6d330caaee.jpg?v=1555537476"],"featured_image":"\/\/www.solarpanelstore.com\/cdn\/shop\/products\/11A_dual_bat1_360x_1169ac75-3bb5-4ff7-bd5d-0c6d330caaee.jpg?v=1555537476","options":["Title"],"media":[{"alt":null,"id":685046562956,"position":1,"preview_image":{"aspect_ratio":1.0,"height":256,"width":256,"src":"\/\/www.solarpanelstore.com\/cdn\/shop\/products\/11A_dual_bat1_360x_1169ac75-3bb5-4ff7-bd5d-0c6d330caaee.jpg?v=1555537476"},"aspect_ratio":1.0,"height":256,"media_type":"image","src":"\/\/www.solarpanelstore.com\/cdn\/shop\/products\/11A_dual_bat1_360x_1169ac75-3bb5-4ff7-bd5d-0c6d330caaee.jpg?v=1555537476","width":256}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eThe Eco Energy S20 is a rugged 20-amp PWM solar charge controller designed for reliable off-grid performance in 24V systems. Featuring a durable stainless steel case, 100% solid-state series design (not shunt), and very low battery consumption, it delivers efficient, dependable charging for medium-sized 24V solar installations. With a maximum PV open circuit voltage of 60V and an operating range of -40°C to +50°C, it is ideal for commercial vehicles, telecommunications sites, remote cabins, industrial monitoring stations, and other off-grid applications. Designed and built in North America and backed by a 5-year warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e20 Amp Charging Capacity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eProvides up to 20 amps of charging current for 24V systems, suitable for medium-sized off-grid solar installations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e60V Maximum PV Open Circuit Voltage:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAccepts higher voltage solar arrays, providing flexibility in panel configuration and allowing longer wire runs with less voltage drop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eSeries Design (Not Shunt):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eUses efficient series switching rather than shunt design for more reliable and effective charge control.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e100% Solid State Design:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eNo moving parts or mechanical relays to wear out, ensuring silent, maintenance-free operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eStainless Steel Case:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eHoused in a rugged, corrosion-resistant stainless steel enclosure for long-lasting durability in harsh environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eVery Low Battery Consumption:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eConsumes only 0.7 mA at idle\/standby and 2.5 mA while charging – preserving battery power for your loads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTemperature-Compensated Charging:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAutomatically adjusts charge voltages based on ambient temperature, protecting batteries from undercharging in cold weather and overcharging in heat.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eWide Operating Temperature Range:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eOperates reliably from -40°C to +50°C (-40°F to +122°F), suitable for year-round use in any climate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eTypical Set Points (24V):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBulk charge at 28.8V ensures optimal battery charging for standard lead-acid batteries.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003e5-Year Warranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBacked by a 5-year warranty for long-term peace of mind.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cstrong\u003e\u003cspan class=\"\"\u003eDesigned and Built in North America:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eEngineered and manufactured to high quality standards with local support.\u003c\/span\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eEco Energy\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eS20 (24V configuration)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eNominal Battery Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e24 VDC (also available in 12V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMaximum Charging Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e20 Amps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eMaximum PV Open Circuit Voltage (VOC)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e60 Volts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eRegulation Method\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003ePWM, series design (not shunt)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eBulk Charge Voltage (24V)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e28.8V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFloat Charge Voltage (24V)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eFollows bulk set point\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eIdle\/Standby Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e0.7 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eActive Charging Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e2.5 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eTemperature Compensation\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eAutomatic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eOperating Temperature Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e-40°C to +50°C (-40°F to +122°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCase Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eStainless steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eDesign\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e100% solid state\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eWarranty\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003e5 years\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eMechanical Specifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cdiv class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan class=\"\"\u003eDetail\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eCase Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"\"\u003eStainless steel (rugged, corrosion-resistant)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan class=\"\"\u003eProduct Documents\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ds-markdown-paragraph\"\u003e\u003cspan class=\"\"\u003eDatasheet: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0079\/6003\/5417\/files\/S20PWM.pdf?109\"\u003eDownload PDF\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e"}

Eco Energy Advanced Solar Charge Control 20A 24V - S2024

Product Description
$120.00
Maximum quantity available reached.

The Eco Energy S20 is a rugged 20-amp PWM solar charge controller designed for reliable off-grid performance in 24V systems. Featuring a durable stainless steel case, 100% solid-state series design (not shunt), and very low battery consumption, it delivers efficient, dependable charging for medium-sized 24V solar installations. With a maximum PV open circuit voltage of 60V and an operating range of -40°C to +50°C, it is ideal for commercial vehicles, telecommunications sites, remote cabins, industrial monitoring stations, and other off-grid applications. Designed and built in North America and backed by a 5-year warranty.


Key Features & Benefits

20 Amp Charging Capacity: Provides up to 20 amps of charging current for 24V systems, suitable for medium-sized off-grid solar installations.

60V Maximum PV Open Circuit Voltage: Accepts higher voltage solar arrays, providing flexibility in panel configuration and allowing longer wire runs with less voltage drop.

Series Design (Not Shunt): Uses efficient series switching rather than shunt design for more reliable and effective charge control.

100% Solid State Design: No moving parts or mechanical relays to wear out, ensuring silent, maintenance-free operation.

Stainless Steel Case: Housed in a rugged, corrosion-resistant stainless steel enclosure for long-lasting durability in harsh environments.

Very Low Battery Consumption: Consumes only 0.7 mA at idle/standby and 2.5 mA while charging – preserving battery power for your loads.

Temperature-Compensated Charging: Automatically adjusts charge voltages based on ambient temperature, protecting batteries from undercharging in cold weather and overcharging in heat.

Wide Operating Temperature Range: Operates reliably from -40°C to +50°C (-40°F to +122°F), suitable for year-round use in any climate.

Typical Set Points (24V): Bulk charge at 28.8V ensures optimal battery charging for standard lead-acid batteries.

5-Year Warranty: Backed by a 5-year warranty for long-term peace of mind.

Designed and Built in North America: Engineered and manufactured to high quality standards with local support.


Technical Specifications

Specification Detail
Manufacturer Eco Energy
Model S20 (24V configuration)
Nominal Battery Voltage 24 VDC (also available in 12V)
Maximum Charging Current 20 Amps
Maximum PV Open Circuit Voltage (VOC) 60 Volts
Regulation Method PWM, series design (not shunt)
Bulk Charge Voltage (24V) 28.8V
Float Charge Voltage (24V) Follows bulk set point
Idle/Standby Consumption 0.7 mA
Active Charging Consumption 2.5 mA
Temperature Compensation Automatic
Operating Temperature Range -40°C to +50°C (-40°F to +122°F)
Case Material Stainless steel
Design 100% solid state
Warranty 5 years

Mechanical Specifications

Specification Detail
Case Material Stainless steel (rugged, corrosion-resistant)

Product Documents

Datasheet: Download PDF

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