{"product_id":"lm-yn-4-2v-1a-power-adapter-li-ion-battery-charger-with-led-indicator-5-5-x-2-5-2-1mm-dc-interface-suitable-for-3-7v-4-2v-1-string-lithium-battery-pack","title":"LM YN 4.2V 1A Power Adapter Li-ion Battery Charger with LED Indicator 5.5 x 2.5 2.1mm DC Interface Suitable for 3.7V 4.2V 1-String Lithium Battery…","description":"Brand: LM YN\u003cbr\u003e\u003cbr\u003eModel: LYPA421000\u003cbr\u003e\u003cbr\u003eNOTE:\u003cbr\u003e 1.Before buying, be sure to confirm that the interface size of this product matches with your device. Wrong interface size will not work! ( The interface size of this product is 5.5x2.5 \/ 2.1 mm).\u003cbr\u003e 2. This product has many kinds of protection functions, enter the protection mode, LED lights will flashing red light. When this happens, unplug the adapter immediately and check if the circuit is short-circuited, if the electrical power exceeds the rated power of the adapter, etc.\u003cbr\u003e \u003cbr\u003e Parameter:\u003cbr\u003e Input voltage: AC 120V \/ 220V (AC90-264V suitable for anywhere in the world voltage ).\u003cbr\u003e Output: DC 4.2V±0.2V 1A .\u003cbr\u003e Output Wire length: 1.1meters \/ 3.6ft.\u003cbr\u003e Output interface: 5.5 x 2.5mm \/ 2.1mm \u003cbr\u003e With built-in leaf spring, Compatible with 5.5x2.5 \/ 2.1mm.\u003cbr\u003e With over-current protection, over-discharge protection, over-voltage protection, overcharge protection, short circuit protection.（Enter Protection mode , with flashing red light）.\u003cbr\u003e \u003cbr\u003e Charging process LED indicator changes:\u003cbr\u003e 1. No-load status LED is green;\u003cbr\u003e 2. Charging, the first phase of constant current charging, LED indicator is red. Charge to the rated voltage into the second phase of constant voltage charging, the current slowly decreases.\u003cbr\u003e 3. When the battery power reaches 90-95%, LED lights turn green. At this point the charger will continue to charge with a small current until it is full. \u003cbr\u003e \u003cbr\u003e Package Included:\u003cbr\u003e 1pcs LM YN 4.2V 1A Power Adapter \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e• NOTE:【The DC output port specification of this adapter is 5.5x2.5mm compatible with 5.5x2.1mm, which is not suitable for other specifications of the interface. Please be sure to confirm the DC port specifications of your device before ordering. If the two do not match, it will not work】\u003cbr\u003e• Input voltage: AC 120V \/ 220V (AC90-264V suitable for anywhere in the world voltage ).\u003cbr\u003e• Output: DC 4.2V±0.2V 1A (Suitable for 3.7V 4.2V 1-String Lithium Battery Pack)，Output Wire length: 1.1meters \/ 3.6ft.\u003cbr\u003e• Output interface: 5.5 * 2.5mm \/ 2.1mm (With built-in leaf spring, Compatible with 5.5x2.5 \/ 2.1mm ).\u003cbr\u003e• With over-current protection, over-discharge protection, over-voltage protection, overcharge protection, short circuit protection.（Enter Protection mode , with flashing red light）.\u003cbr\u003e• 【One-year after-sales warranty, please contact us if you need】\u003cbr\u003e\u003cbr\u003eColor: Blcak\u003cbr\u003e\u003cbr\u003eWattage\/Output: 4.2V 1A","brand":"LM YN","offers":[{"title":"Default Title","offer_id":51593658859802,"sku":"MCAB07QCSG585","price":18.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/6772\/2266\/files\/71xMYDnhMmL.jpg?v=1768643628","url":"https:\/\/craftedyogi.com\/products\/lm-yn-4-2v-1a-power-adapter-li-ion-battery-charger-with-led-indicator-5-5-x-2-5-2-1mm-dc-interface-suitable-for-3-7v-4-2v-1-string-lithium-battery-pack","provider":"Craftedyogi","version":"1.0","type":"link"}