{"product_id":"10pcs-tp4057-1a-lithium-battery-charging-protection-board-module-with-protection-type-c-usb-charging-boards-3-7v-4-2v-tp4057-charging-module-tp4056-upgraded","title":"10PCS TP4057 1A Lithium Battery Charging Protection Board Module with Protection Type-C USB Charging Boards 3.7V 4.2V, TP4057 Charging Module（TP4056 Upgraded）","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e【Upgraded TP4057 – 10 Pack for DIY Testing】TP4057, the upgraded version of TP4056, delivers stable 1A constant current\/constant voltage charging with over‑temperature protection. This 5‑pack is ideal for hobbyists, prototyping, and small‑scale projects – try different configurations without overbuying\u003c\/li\u003e\n\u003cli\u003e【Reverse Polarity \u0026amp; Multi‑Layer Protection】Built‑in over‑voltage, over‑discharge (2.4V cut‑off), and over‑current (4A) safeguards. Unique reverse‑polarity protection prevents damage if you accidentally connect the battery backward – a rare feature that gives you extra peace of mind\u003c\/li\u003e\n\u003cli\u003e【Wide Compatibility】Works with all single‑cell 3.7V lithium batteries (18650, polymer, composite, etc.). Charge termination at 4.2V; auto‑restart when voltage drops below 4.05V; pre‑charge at 100mA for deeply discharged cells (\u0026lt;2.9V). Batteries must be connected in parallel only\u003c\/li\u003e\n\u003cli\u003e【Type‑C Input \u0026amp; Status LEDs】Powered via Type‑C or direct soldered wiring (5‑6V input). Dual LEDs indicate charging, full charge, no‑battery, and fault status. Note: Activate the protection board by connecting power on first use; use suitable wire gauge for soldering\u003c\/li\u003e\n\u003cli\u003e【Mini Size – 17.9mm\/0.7in * 14.1mm\/0.56in】Smaller than most comparable boards, this compact module saves precious space in wearables, mini drones, and compact DIY enclosures. Perfect when every millimeter counts and you only need a few units\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FORIOT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Weight:\u003c\/strong\u003e 2.88 ounces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 12 volts_of_direct_current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Items:\u003c\/strong\u003e 10\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"FORIOT","offers":[{"title":"Default Title","offer_id":50536393048307,"sku":"B0H6G1V386","price":13.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0846\/0684\/5171\/files\/51K0jC6gl4L.jpg?v=1787728370","url":"https:\/\/flyvora.us\/products\/10pcs-tp4057-1a-lithium-battery-charging-protection-board-module-with-protection-type-c-usb-charging-boards-3-7v-4-2v-tp4057-charging-module-tp4056-upgraded","provider":"Flyvora","version":"1.0","type":"link"}