{"product_id":"xy-fz35-constant-current-electronic-load-module-35w-5a","title":"XY-FZ35 Constant Current Electronic Load Module 35W 5A DC 5–30V","description":"\n\u003ch2\u003eXY-FZ35 Adjustable Constant Current Electronic Load Module — 35W, 5A, DC 5.0–30.0V\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eXY-FZ35 Adjustable Electronic Load Module\u003c\/strong\u003e is a compact, feature-packed constant current load tester designed for engineers, hobbyists, and technicians who need precise battery discharge testing, power supply evaluation, and component aging verification. With real-time multi-parameter display, intelligent thermal management, and robust protection circuits, this module delivers lab-grade performance in a portable form factor.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Parameter Live Display:\u003c\/strong\u003e Simultaneously monitors and displays current (A), voltage (V), power (W), capacity (Ah), and discharge time — discharge capacity and elapsed time are logged automatically for hands-free testing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision Current Adjustment:\u003c\/strong\u003e Rotary encoder potentiometer allows current adjustment accurate to \u003cstrong\u003e0.01A\u003c\/strong\u003e, with a current-lock function to prevent accidental changes mid-test.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Load Functions:\u003c\/strong\u003e Set a target discharge capacity (OAh) and a maximum discharge duration (OHp) to enable fully unattended power aging and endurance testing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntelligent Thermal Control:\u003c\/strong\u003e Hydraulic-bearing temperature-controlled fan activates automatically when output power exceeds 10W or internal temperature exceeds 40 °C — keeping the module cool without unnecessary noise during light-load operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Protection Suite:\u003c\/strong\u003e Adjustable Over-Voltage (OVP), Over-Current (OCP), Over-Power (OPP), and Under-Voltage (UVP) protection thresholds, plus fixed Over-Temperature Protection (OTP) at ~80 °C, safeguard both the module and the device under test.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse-Connection Safe:\u003c\/strong\u003e Input and output stages are protected against reverse polarity — no burnt traces, no damaged components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eXY-FZ35\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eDC 5.0 – 30.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eDC 1.5 – 25.0 V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eLoad Current Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e0.00 – 5.00 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eMaximum Discharge Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e35 W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eConstant Current Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e±(1% + 3 digits)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eVoltage Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e±(0.5% + 1 digit)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eOVP Default\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e25.2 V (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eOCP Default\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e5.10 A (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eOPP Default\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e35.5 W (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eUVP Default\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e1.5 V (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eOTP\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e~80 °C (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eFan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003eHydraulic bearing, 8,000 ± 10% RPM, auto temp-controlled\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u003cstrong\u003eMax Input (Safe)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;\"\u003e\u0026lt;50 VAC \/ 75 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × XY-FZ35 Adjustable Electronic Load Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThe XY-FZ35 is ideal for electronics engineers, makers, and DIY enthusiasts who regularly perform \u003cstrong\u003ebattery capacity testing\u003c\/strong\u003e, \u003cstrong\u003epower supply load testing\u003c\/strong\u003e, \u003cstrong\u003eLED driver verification\u003c\/strong\u003e, and \u003cstrong\u003ecomponent burn-in\/aging tests\u003c\/strong\u003e. Its adjustable protection thresholds make it versatile enough for lithium, NiMH, lead-acid, and other battery chemistries.\u003c\/p\u003e\n\n\u003cp\u003eFor further guidance on electrical safety when working with test equipment, visit \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What battery types can I test with the XY-FZ35 electronic load module?\u003c\/h4\u003e\n\u003cp\u003eA: The XY-FZ35 works with any DC source within its 5.0–30.0 V input range, making it compatible with lithium-ion, LiFePO4, NiMH, lead-acid packs, and regulated power supplies. Simply set the appropriate Under-Voltage Protection (UVP) threshold to match your battery's minimum safe discharge voltage.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the XY-FZ35 require any external power supply to operate?\u003c\/h4\u003e\n\u003cp\u003eA: No separate power supply is needed. The module draws its operating power directly from the device under test (the DUT), so you can connect it straight to your battery or power source and begin testing immediately.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How does the constant current lock function work?\u003c\/h4\u003e\n\u003cp\u003eA: Once you dial in your desired test current using the rotary encoder, you can engage the current-lock feature to prevent the value from being accidentally changed during a long discharge or aging test. This is especially useful for unattended overnight endurance runs.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens if the module overheats during a high-power test?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in Over-Temperature Protection (OTP) triggers at approximately 80 °C and shuts down the load automatically to protect the module and the device under test. The intelligent temperature-controlled fan also pre-emptively spins up whenever power exceeds 10 W or the internal temperature surpasses 40 °C, keeping thermals well managed during extended sessions.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What battery types can I test with the XY-FZ35 electronic load module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The XY-FZ35 works with any DC source within its 5.0–30.0 V input range, making it compatible with lithium-ion, LiFePO4, NiMH, lead-acid packs, and regulated power supplies. Simply set the appropriate Under-Voltage Protection (UVP) threshold to match your battery's minimum safe discharge voltage.\"}}, {\"@type\": \"Question\", \"name\": \"Does the XY-FZ35 require any external power supply to operate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No separate power supply is needed. The module draws its operating power directly from the device under test (the DUT), so you can connect it straight to your battery or power source and begin testing immediately.\"}}, {\"@type\": \"Question\", \"name\": \"How does the constant current lock function work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Once you dial in your desired test current using the rotary encoder, you can engage the current-lock feature to prevent the value from being accidentally changed during a long discharge or aging test. 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