{"product_id":"18650-and-21700-battery-capacity-and-internal-resistance-tester-automatic-charge-discharge-module","title":"18650 and 21700  Battery Capacity and Internal Resistance Tester Automatic Charge\/Discharge Module","description":"\u003cp\u003e\u003cspan\u003e18650 and 21700 Battery Capacity and Internal Resistance Tester Automatic Charge\/Discharge Module Electronic Load Tester\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDESCRIPTION\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeatures:\u003c\/span\u003e\u003c\/p\u003e\n\u003col\u003e\n\u003cli\u003e\u003cspan\u003eSupports reverse connection protection, effectively preventing equipment damage caused by incorrect battery installation, making it safer and more reliable to use.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFour-channel independent design, each channel operates independently without interference, allowing simultaneous charging, discharging, capacity testing, or aging testing of four 21700 batteries.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAdopts an ABS air-guided base with a 40*40mm large-sized fan for active and efficient heat dissipation, ensuring stable operation for extended periods.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAccurate capacity measurement and reliable data, meeting the needs of high-precision battery performance evaluation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSupports Chinese and English interface switching, real-time display of test parameters, intuitive and convenient operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cspan\u003eProduct Parameters:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eDevice Power Supply (self-provided):\u003c\/span\u003e\u003cspan\u003e Use two DC 5V 3A or higher adapters, powered via Type C.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTest Object:\u003c\/span\u003e\u003cspan\u003e Ternary lithium 21700 batteries; not suitable for charging lithium iron phosphate batteries.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCharging Voltage:\u003c\/span\u003e\u003cspan\u003e 4.2V non-adjustable, charging via onboard 4506 charging chip.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCharging Current:\u003c\/span\u003e\u003cspan\u003e Maximum 1A non-constant current, non-adjustable, 4056 controlled charging.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eStop (Discharge) Voltage:\u003c\/span\u003e\u003cspan\u003e 2.5-3.5V, 11 adjustable levels.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDischarge Current:\u003c\/span\u003e\u003cspan\u003e Maximum 1A non-constant current discharge, non-adjustable.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDischarge Resistor:\u003c\/span\u003e\u003cspan\u003e 6W 3Ω 9J wirewound resistor, modification not supported.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eInternal Resistance Measurement Method:\u003c\/span\u003e\u003cspan\u003e DC two-wire method principle test, results for reference only.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003e21700 Battery Testing:\u003c\/span\u003e\u003cspan\u003e No adapter required, direct testing of 21700 batteries.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eCooling Method:\u003c\/span\u003e\u003cspan\u003e 40*40mm fan active cooling.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eReverse Connection Protection:\u003c\/span\u003e\u003cspan\u003e Supported.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHost Size:\u003c\/span\u003e\u003cspan\u003e 147*102*33mm\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Circuit World Electronics ","offers":[{"title":"Default Title","offer_id":46337419739219,"sku":null,"price":70000.0,"currency_code":"MMK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0592\/3543\/4579\/files\/C7F39BA5-4D90-4EE6-AF4B-004A8172F7BF.jpg?v=1789628038","url":"https:\/\/circuitworldelectronics.com\/products\/18650-and-21700-battery-capacity-and-internal-resistance-tester-automatic-charge-discharge-module","provider":"Circuit World Electronics ","version":"1.0","type":"link"}