{"product_id":"40a-12v-24v-pwm-solar-charge-controller-lcd-dual-usb","title":"40A 12V 24V PWM Solar Charge Controller with LCD Display and Dual USB","description":"\u003cp\u003eControl and monitor a small off-grid solar battery setup with this 40A 12V \/ 24V Pulse Width Modulation solar charge controller.\u003c\/p\u003e\r\n\u003cp data-start=\"2117\" data-end=\"2393\"\u003eIt is designed for low-voltage solar charging systems using compatible lead-acid batteries, including Open, AGM and Gel battery types. The controller regulates charging from a solar panel to the battery and provides a separate low-voltage load output for direct current loads.\u003c\/p\u003e\r\n\u003cp data-start=\"2395\" data-end=\"2626\"\u003eThe built-in Liquid Crystal Display shows key charging and discharge information, while the front-panel buttons allow adjustment of settings such as float voltage, low-voltage disconnect, low-voltage reconnect and load timer modes.\u003c\/p\u003e\r\n\u003cp data-start=\"2628\" data-end=\"2750\"\u003eDual USB output is included for convenient charging of small USB-powered devices, with a stated maximum output of 5V \/ 2A.\u003c\/p\u003e\r\n\u003cp data-start=\"2752\" data-end=\"2947\"\u003eThis controller is best suited to compact solar projects, camping setups, shed lighting, caravan power systems, battery maintenance setups and other low-voltage direct current solar applications.\u003c\/p\u003e\r\n\u003chr data-start=\"2949\" data-end=\"2952\"\u003e\r\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"2954\" data-end=\"2969\"\u003eKey Features\u003c\/h2\u003e\r\n\u003cp data-start=\"2971\" data-end=\"3767\"\u003e• 40A rated solar charging current\u003cbr data-start=\"3005\" data-end=\"3008\"\u003e • Compatible with 12V and 24V battery systems\u003cbr data-start=\"3053\" data-end=\"3056\"\u003e • Automatic 12V \/ 24V system voltage identification\u003cbr data-start=\"3107\" data-end=\"3110\"\u003e • 4-stage Pulse Width Modulation charging: Boost, Absorption, Equalisation and Float\u003cbr data-start=\"3194\" data-end=\"3197\"\u003e • Suitable for lead-acid battery types including Open, AGM and Gel\u003cbr data-start=\"3263\" data-end=\"3266\"\u003e • Liquid Crystal Display for system status and charging information\u003cbr data-start=\"3333\" data-end=\"3336\"\u003e • Adjustable float voltage, low-voltage disconnect, low-voltage reconnect and load timer settings\u003cbr data-start=\"3433\" data-end=\"3436\"\u003e • Dual USB output with stated maximum 5V \/ 2A output\u003cbr data-start=\"3488\" data-end=\"3491\"\u003e • Separate terminals for solar panel, battery and load connections\u003cbr data-start=\"3557\" data-end=\"3560\"\u003e • Built-in protection functions including short-circuit, reverse polarity, overload, overheat and backflow protection\u003cbr data-start=\"3677\" data-end=\"3680\"\u003e • Low standby current of less than 10mA\u003cbr data-start=\"3719\" data-end=\"3722\"\u003e • Suitable for dry, protected installations\u003c\/p\u003e\r\n\u003chr data-start=\"3769\" data-end=\"3772\"\u003e\r\n\u003ch2 data-section-id=\"14bu82z\" data-start=\"3774\" data-end=\"3790\"\u003eCompatibility\u003c\/h2\u003e\r\n\u003cp data-start=\"3792\" data-end=\"3805\"\u003eSuitable for:\u003c\/p\u003e\r\n\u003cp data-start=\"3807\" data-end=\"4119\"\u003e• 12V lead-acid solar battery systems\u003cbr data-start=\"3844\" data-end=\"3847\"\u003e • 24V lead-acid solar battery systems\u003cbr data-start=\"3884\" data-end=\"3887\"\u003e • Open lead-acid batteries\u003cbr data-start=\"3913\" data-end=\"3916\"\u003e • AGM lead-acid batteries\u003cbr data-start=\"3941\" data-end=\"3944\"\u003e • Gel lead-acid batteries\u003cbr data-start=\"3969\" data-end=\"3972\"\u003e • Solar panel to battery charging setups\u003cbr data-start=\"4012\" data-end=\"4015\"\u003e • Low-voltage direct current load control\u003cbr data-start=\"4056\" data-end=\"4059\"\u003e • Camping, shed, caravan and small off-grid solar projects\u003c\/p\u003e\r\n\u003cp data-start=\"4121\" data-end=\"4138\"\u003eNot suitable for:\u003c\/p\u003e\r\n\u003cp data-start=\"4140\" data-end=\"4538\"\u003e• 230V mains wiring\u003cbr data-start=\"4159\" data-end=\"4162\"\u003e • Grid-tied solar systems\u003cbr data-start=\"4187\" data-end=\"4190\"\u003e • Household switchboard connection\u003cbr data-start=\"4224\" data-end=\"4227\"\u003e • Alternating current loads\u003cbr data-start=\"4254\" data-end=\"4257\"\u003e • Direct connection to mains appliances\u003cbr data-start=\"4296\" data-end=\"4299\"\u003e • High-voltage solar panel strings\u003cbr data-start=\"4333\" data-end=\"4336\"\u003e • Lithium batteries unless compatibility is separately confirmed\u003cbr data-start=\"4400\" data-end=\"4403\"\u003e • Outdoor exposed mounting without a suitable enclosure\u003cbr data-start=\"4458\" data-end=\"4461\"\u003e • Applications requiring a verified Maximum Power Point Tracking controller\u003c\/p\u003e\r\n\u003chr data-start=\"4540\" data-end=\"4543\"\u003e\r\n\u003ch3 data-section-id=\"nucr17\" data-start=\"4545\" data-end=\"4573\"\u003eTechnical Specifications\u003c\/h3\u003e\r\n\u003cp data-start=\"4575\" data-end=\"6244\"\u003e• Product Type: Pulse Width Modulation solar charge controller\u003cbr data-start=\"4637\" data-end=\"4640\"\u003e • Rated System Voltage: 12V \/ 24V direct current\u003cbr data-start=\"4688\" data-end=\"4691\"\u003e • Voltage Detection: Automatic 12V \/ 24V identification\u003cbr data-start=\"4746\" data-end=\"4749\"\u003e • Rated Charging Current: 40A\u003cbr data-start=\"4778\" data-end=\"4781\"\u003e • Rated Discharge Current: 20A\u003cbr data-start=\"4811\" data-end=\"4814\"\u003e • Battery Compatibility: Open, AGM and Gel lead-acid batteries\u003cbr data-start=\"4876\" data-end=\"4879\"\u003e • Charging Stages: Boost, Absorption, Equalisation, Float\u003cbr data-start=\"4936\" data-end=\"4939\"\u003e • Maximum Photovoltaic Input Voltage: Less than 25V for 12V systems, less than 50V for 24V systems\u003cbr data-start=\"5037\" data-end=\"5040\"\u003e • Discharge Cut-Off Voltage: 10.7V default\u003cbr data-start=\"5082\" data-end=\"5085\"\u003e • Discharge Cut-Off Adjustment Range: 9.5V–11V\u003cbr data-start=\"5131\" data-end=\"5134\"\u003e • Discharge Recovery Voltage: 12.6V default\u003cbr data-start=\"5177\" data-end=\"5180\"\u003e • Discharge Recovery Adjustment Range: 11.5V–13V\u003cbr data-start=\"5228\" data-end=\"5231\"\u003e • USB Output: Dual USB output\u003cbr data-start=\"5260\" data-end=\"5263\"\u003e • USB Rating: Stated maximum 5V \/ 2A\u003cbr data-start=\"5299\" data-end=\"5302\"\u003e • Display: Backlit Liquid Crystal Display\u003cbr data-start=\"5343\" data-end=\"5346\"\u003e • Adjustable Settings: Float voltage, low-voltage disconnect, low-voltage reconnect, load timer\u003cbr data-start=\"5441\" data-end=\"5444\"\u003e • Standby Current: Less than 10mA\u003cbr data-start=\"5477\" data-end=\"5480\"\u003e • Operating Temperature: -35°C to +60°C\u003cbr data-start=\"5519\" data-end=\"5522\"\u003e • Protection Functions: Short-circuit, open-circuit, reverse polarity, overload, backflow, overheat, undervoltage discharge\u003cbr data-start=\"5645\" data-end=\"5648\"\u003e • Backflow Protection: Dual MOSFET backflow protection\u003cbr data-start=\"5702\" data-end=\"5705\"\u003e • Energy Memory Function: Charge and discharge current \/ energy auto memory function\u003cbr data-start=\"5789\" data-end=\"5792\"\u003e • Internal Material: Electronic components\u003cbr data-start=\"5834\" data-end=\"5837\"\u003e • Approximate Size: 133 x 70mm\u003cbr data-start=\"5867\" data-end=\"5870\"\u003e • Installation Location: Dry protected location\u003cbr data-start=\"5917\" data-end=\"5920\"\u003e • Waterproof Rating: Not specified\u003cbr data-start=\"5954\" data-end=\"5957\"\u003e • Included Items: 1 x solar panel charge controller, 1 x user manual\u003cbr data-start=\"6025\" data-end=\"6028\"\u003e • Not Included: Solar panel, battery, inverter, wiring, fuse, circuit breaker, mounting screws, tools\u003cbr data-start=\"6129\" data-end=\"6132\"\u003e • Product Category: Solar charge controllers\u003cbr data-start=\"6176\" data-end=\"6179\"\u003e • Applications: Solar lighting, camping power, battery charging\u003c\/p\u003e\r\n\u003chr data-start=\"6246\" data-end=\"6249\"\u003e\r\n\u003ch2 data-section-id=\"laqy70\" data-start=\"6251\" data-end=\"6282\"\u003eImportant Installation Notes\u003c\/h2\u003e\r\n\u003cp data-start=\"6284\" data-end=\"6409\"\u003eUse correct direct current cable size, correct polarity and suitable fuse or circuit breaker protection for the final system.\u003c\/p\u003e\r\n\u003cp data-start=\"6411\" data-end=\"6645\"\u003eFor best protection, install a correctly rated direct current fuse or circuit breaker close to the battery positive terminal. The correct fuse size depends on the controller rating, cable size, battery type and complete system design.\u003c\/p\u003e\r\n\u003cp data-start=\"6647\" data-end=\"6676\"\u003eRecommended connection order:\u003c\/p\u003e\r\n\u003cp data-start=\"6678\" data-end=\"6768\"\u003e• Connect the battery first\u003cbr data-start=\"6705\" data-end=\"6708\"\u003e • Connect the solar panel second\u003cbr data-start=\"6740\" data-end=\"6743\"\u003e • Connect the load last\u003c\/p\u003e\r\n\u003cp data-start=\"6770\" data-end=\"6802\"\u003eRecommended disconnection order:\u003c\/p\u003e\r\n\u003cp data-start=\"6804\" data-end=\"6907\"\u003e• Disconnect the solar panel first\u003cbr data-start=\"6838\" data-end=\"6841\"\u003e • Disconnect the battery after the solar panel has been isolated\u003c\/p\u003e\r\n\u003cp data-start=\"6909\" data-end=\"6999\"\u003eFor permanent, vehicle, marine or higher-current installations, use a qualified installer.\u003c\/p\u003e\r\n\u003chr data-start=\"7001\" data-end=\"7004\"\u003e\r\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions (FAQs):\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch3 data-section-id=\"19av2wf\" data-start=\"7037\" data-end=\"7097\"\u003eIs this a Maximum Power Point Tracking solar controller?\u003c\/h3\u003e\r\n\u003cp data-start=\"7099\" data-end=\"7160\"\u003eNo. This is a Pulse Width Modulation solar charge controller.\u003c\/p\u003e\r\n\u003ch3 data-section-id=\"xet0o2\" data-start=\"7162\" data-end=\"7200\"\u003eCan I use this with a 12V battery?\u003c\/h3\u003e\r\n\u003cp data-start=\"7202\" data-end=\"7323\"\u003eYes. It is compatible with 12V lead-acid solar battery systems where the battery type and charging settings are suitable.\u003c\/p\u003e\r\n\u003ch3 data-section-id=\"1hkp5r6\" data-start=\"7325\" data-end=\"7370\"\u003eCan I use this with a 24V battery system?\u003c\/h3\u003e\r\n\u003cp data-start=\"7372\" data-end=\"7462\"\u003eYes. It supports 12V and 24V direct current systems with automatic voltage identification.\u003c\/p\u003e\r\n\u003ch3 data-section-id=\"i6se6y\" data-start=\"7464\" data-end=\"7503\"\u003eWhat battery types does it support?\u003c\/h3\u003e\r\n\u003cp data-start=\"7505\" data-end=\"7586\"\u003eIt is suitable for lead-acid battery types including Open, AGM and Gel batteries.\u003c\/p\u003e\r\n\u003ch3 data-section-id=\"5lb1fc\" data-start=\"7588\" data-end=\"7630\"\u003eCan I use this with lithium batteries?\u003c\/h3\u003e\r\n\u003cp data-start=\"7632\" data-end=\"7794\"\u003eLithium battery compatibility is not verified. Do not use it with lithium batteries unless the battery manufacturer confirms the controller settings are suitable.\u003c\/p\u003e\r\n\u003ch3 data-section-id=\"18e6id4\" data-start=\"7796\" data-end=\"7846\"\u003eIs the 40A rating for charging or load output?\u003c\/h3\u003e\r\n\u003cp data-start=\"7848\" data-end=\"7938\"\u003eThe 40A rating applies to rated charging current. The rated discharge\/load current is 20A.\u003c\/p\u003e\r\n\u003ch3 data-section-id=\"ts7nfz\" data-start=\"7940\" data-end=\"7984\"\u003eWhat is the maximum solar panel voltage?\u003c\/h3\u003e\r\n\u003cp data-start=\"7986\" data-end=\"8105\"\u003eFor a 12V system, the photovoltaic input voltage should be less than 25V. For a 24V system, it should be less than 50V.\u003c\/p\u003e\r\n\u003ch3 data-section-id=\"lw4izc\" data-start=\"8107\" data-end=\"8137\"\u003eDoes it have USB charging?\u003c\/h3\u003e\r\n\u003cp data-start=\"8139\" data-end=\"8261\"\u003eYes. It has dual USB output with a stated maximum output of 5V \/ 2A. Do not assume 2A per port unless tested or confirmed.\u003c\/p\u003e\r\n\u003ch3 data-section-id=\"1m5b6pb\" data-start=\"8263\" data-end=\"8284\"\u003eIs it waterproof?\u003c\/h3\u003e\r\n\u003cp data-start=\"8286\" data-end=\"8392\"\u003eNo waterproof rating is specified. Install it in a dry, protected location or inside a suitable enclosure. \u003c\/p\u003e\r\n\u003cp\u003e\u003cstrong\u003ePackage includes:\u003c\/strong\u003e 1x\u003c\/p\u003e\r\n\u003cp\u003e40A 12V 24V PWM Solar Charge Controller with LCD Display and Dual USB.\u003c\/p\u003e\r\n\u003cp\u003e*Does not include solar panel, battery, inverter, wiring, fuse, circuit breaker, mounting screws, tools. The image is for illustrative purposes only. Due to variations in camera settings, lighting, manufacturing processes, monitors, and supply, colours may differ. Product appearance and specifications are subject to change without notice.\u003c\/p\u003e\r\n\u003cp\u003eCombine \u0026amp; Save. Explore our range of cables, parts and accessories.\u003cstrong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003eWe offer \u003cstrong\u003e\u003cstrong\u003ebulk discounts\u003c\/strong\u003e\u003c\/strong\u003e to New Zealand-based \u003cstrong\u003e\u003cstrong\u003ebusinesses\u003c\/strong\u003e, \u003cstrong\u003eschools\u003c\/strong\u003e, \u003c\/strong\u003eand \u003cstrong\u003e\u003cstrong\u003egovernment agencies\u003c\/strong\u003e — \u003cstrong\u003econtact us for pricing on larger orders!\u003cbr\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\u003cstrong\u003eWarranty \u0026amp; Returns:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/div\u003e\r\n\u003cdiv\u003e14-day 'change of mind' return in unused condition for a refund less shipping fees.\u003cbr\u003e1-Year return-to-base refund or replacement guarantee.\u003c\/div\u003e\r\n\u003cdiv\u003e\r\n\u003cp\u003e\u003cstrong\u003eWe welcome \u0026amp; answer all questions. \u003c\/strong\u003e\u003cstrong\u003e\u003cstrong\u003eCan't find what you're looking for? \u003cstrong\u003e\u003ca title=\"Techexpress NZ - Contact Us\" href=\"https:\/\/www.techexpress.co.nz\/pages\/contact-us\" target=\"_blank\" data-sentry-element=\"Link\" data-sentry-component=\"SXLink\" data-sentry-source-file=\"SXLink.tsx\" data-discover=\"true\"\u003eContact Us\u003c\/a\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/strong\u003e\u003c\/p\u003e\r\n\u003c\/div\u003e","brand":"Techexpress NZ","offers":[{"title":"Default","offer_id":42890766057570,"sku":"SOLAR-CTRL-40A-PWM-USB-NZ","price":22.49,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1907\/5887\/files\/40a-12v-24v-pwm-solar-charge-controller-lcd-usb-01_TQK9IEZ521S4.jpg?v=1778550985","url":"https:\/\/www.techexpress.co.nz\/products\/40a-12v-24v-pwm-solar-charge-controller-lcd-dual-usb","provider":"Techexpress NZ","version":"1.0","type":"link"}