{"product_id":"battery-protection-board-4s-20a-14-8v-bms-for-18650-lithium-ion-cells-hx-4s-a20","title":"Battery Protection Board 4s 20a 14.8v Bms For 18650 Lithium Ion Cells Hx-4s-a20","description":"\u003cp\u003e18650 Lithium-Ion Cells HX-4S-A20 The \u003ca href=\"https:\/\/www.synopsys.com\/glossary\/what-is-a-battery-management-system.html\"\u003ebattery management system\u003c\/a\u003e is used to protect the battery and prevent it from being over-discharged or over-charged during use, resulting in battery damage.\u003c\/p\u003e\n\u003ch2\u003eFeatures of 18650 Lithium-Ion Cells HX-4S-A20:\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eSmall size.\u003c\/li\u003e\n\u003cli\u003eSimple wiring.\u003c\/li\u003e\n\u003cli\u003eTargeted.\u003c\/li\u003e\n\u003cli\u003eCustom installation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cspan style=\"font-size: 20px;\"\u003eParameters of 18650 Lithium-Ion Cells HX-4S-A20:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e1 Model HX-4S-D20\u003cbr\u003e\n2 Voltage range 4.25~4.35V±0.05V\u003cbr\u003e\n3 Size 35x35x3.6mm\u003cbr\u003e\n4 Overvoltage range 2.3~3.0V±0.05V\u003cbr\u003e\n5 Upper working current 10A\u003cbr\u003e\n6 Working temperature -40 to +50 Celsius\u003cbr\u003e\n7 Maximum instantaneous current 20A\u003cbr\u003e\n8 Storage condition -40 to +80 Celsius\u003cbr\u003e\n9 Static current Less than 30uA\u003cbr\u003e\n10 Effective life More than 50000 hours\u003cbr\u003e\n11 Internal resistance Less than 100m ohm\u003cbr\u003e\n12 Short circuit protection Yes, Charge recovery\u003cbr\u003e\n13 Charging voltage 16.8V-17V\u003cbr\u003e\n14 Controller S-8254AA, Connect 4pcs lithium battery at B+, B3, B2, B1, B-P+ and P- is output or input\u003c\/p\u003e\n\u003ch2\u003eAttention:\u003c\/h2\u003e\n\u003cp\u003ePlease strictly follow the wiring diagram: 0V (B-), 3.7V (B1), 7.4V (B2), 11.1V (B3), 14.8V (B+), do not intentionally short-circuit!\u003cbr\u003e\nAfter connecting the wire, it needs to be charged before it has output. In series 4 batteries, please ensure that the voltage of each battery is the same. If it is different, please charge each battery separately and then use it in series. In the discharge test, the rapidly decreasing voltage of the battery is due to a poor battery. Don’t mix good batteries with bad batteries! The more similar the battery capacity or internal resistance, the better! (The effect of 2 good batteries +2 poor batteries = The effect of 4 poor batteries).\u003c\/p\u003e\n\u003ch3\u003eCaution:\u003c\/h3\u003e\n\u003cp\u003eThe Battery protection board cannot be used for a lithium iron phosphate battery, hernia lamp, hand electric drill battery pack, electric fish electromechanical battery group, electric bicycle battery pack, children’s car battery, 775(4A) above motor, 1W fisheye LED light.\u003cbr\u003e\nFor the discharge products with 3A current and above, the discharge ratio of the battery should be above 3C.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 20px;\"\u003eMultiplier calculation formula:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e1C multiplier battery, 2000mAh capacity is equal to 2AH*1=2A upper limit working current.\u003cbr\u003e\n3C multiplier battery, 2000mAh capacity is equal to 2AH*3=6A upper limit working current.\u003cbr\u003e\nIn use, if the battery is hot, it means that the battery multiplier is not applicable. This situation cannot be used for a long time, and the battery will be damaged quickly.\u003c\/p\u003e\n\u003ch4\u003e\u003cspan style=\"font-size: 20px;\"\u003eApplication:\u003c\/span\u003e\u003c\/h4\u003e\n\u003col style=\"list-style-type: lower-roman;\"\u003e\n\u003cli\u003eSmall power inverter\u003c\/li\u003e\n\u003cli\u003eMassager battery pack\u003c\/li\u003e\n\u003cli\u003eLED lamp backup power\u003c\/li\u003e\n\u003cli\u003eElectronic products\u003c\/li\u003e\n\u003cli\u003eSolar street lamp battery pack\u003c\/li\u003e\n\u003cli\u003eMonitoring standby power supply\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cimg class=\"size-full wp-image-43768 aligncenter ls-is-cached lazyloaded\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/09b4f8bddbbf31bd78e245df845ede46.jpg?v=1789243090\" sizes=\"(max-width: 1000px) 100vw, 1000px\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/09b4f8bddbbf31bd78e245df845ede46_8b76f473-f91c-4778-b66a-bcd1fa47abdd.jpg?v=1789243093  1000w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/09b4f8bddbbf31bd78e245df845ede46_8b76f473-f91c-4778-b66a-bcd1fa47abdd.jpg?v=1789243093  300w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/09b4f8bddbbf31bd78e245df845ede46_8b76f473-f91c-4778-b66a-bcd1fa47abdd.jpg?v=1789243093  150w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/09b4f8bddbbf31bd78e245df845ede46_8b76f473-f91c-4778-b66a-bcd1fa47abdd.jpg?v=1789243093  768w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/09b4f8bddbbf31bd78e245df845ede46_8b76f473-f91c-4778-b66a-bcd1fa47abdd.jpg?v=1789243093  600w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/09b4f8bddbbf31bd78e245df845ede46_8b76f473-f91c-4778-b66a-bcd1fa47abdd.jpg?v=1789243093  100w\" alt=\"\" width=\"1000\" height=\"1000\" data-srcset=\"https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/09b4f8bddbbf31bd78e245df845ede46.jpg?v=1665227210 1000w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/09b4f8bddbbf31bd78e245df845ede46-300x300.jpg?v=1665227210 300w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/09b4f8bddbbf31bd78e245df845ede46-150x150.jpg?v=1665227210 150w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/09b4f8bddbbf31bd78e245df845ede46-768x768.jpg?v=1665227210 768w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/09b4f8bddbbf31bd78e245df845ede46-600x600.jpg?v=1665227210 600w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/09b4f8bddbbf31bd78e245df845ede46-100x100.jpg?v=1665227210 100w\" data-sizes=\"(max-width: 1000px) 100vw, 1000px\" loading=\"lazy\"\u003e \u003cimg class=\"size-full wp-image-43769 aligncenter ls-is-cached lazyloaded\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/37167cf405e10b7fdd2045912f8d8841.jpg?v=1789243097\" sizes=\"(max-width: 900px) 100vw, 900px\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/37167cf405e10b7fdd2045912f8d8841_e2499df6-0ab0-4cb0-9ff9-772d78ba8020.jpg?v=1789243101  900w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/37167cf405e10b7fdd2045912f8d8841_e2499df6-0ab0-4cb0-9ff9-772d78ba8020.jpg?v=1789243101  300w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/37167cf405e10b7fdd2045912f8d8841_e2499df6-0ab0-4cb0-9ff9-772d78ba8020.jpg?v=1789243101  150w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/37167cf405e10b7fdd2045912f8d8841_e2499df6-0ab0-4cb0-9ff9-772d78ba8020.jpg?v=1789243101  768w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/37167cf405e10b7fdd2045912f8d8841_e2499df6-0ab0-4cb0-9ff9-772d78ba8020.jpg?v=1789243101  600w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/37167cf405e10b7fdd2045912f8d8841_e2499df6-0ab0-4cb0-9ff9-772d78ba8020.jpg?v=1789243101  100w\" alt=\"\" width=\"900\" height=\"900\" data-srcset=\"https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/37167cf405e10b7fdd2045912f8d8841.jpg?v=1665227217 900w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/37167cf405e10b7fdd2045912f8d8841-300x300.jpg?v=1665227217 300w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/37167cf405e10b7fdd2045912f8d8841-150x150.jpg?v=1665227217 150w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/37167cf405e10b7fdd2045912f8d8841-768x768.jpg?v=1665227217 768w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/37167cf405e10b7fdd2045912f8d8841-600x600.jpg?v=1665227217 600w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/37167cf405e10b7fdd2045912f8d8841-100x100.jpg?v=1665227217 100w\" data-sizes=\"(max-width: 900px) 100vw, 900px\" loading=\"lazy\"\u003e \u003cimg class=\"size-full wp-image-43770 aligncenter lazyloaded\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/4SBMS10A1-H71.jpg?v=1789243107\" sizes=\"(max-width: 707px) 100vw, 707px\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/4SBMS10A1-H71_bfc7d549-7a8b-4f4d-9270-57c3132b346b.jpg?v=1789243112  707w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/4SBMS10A1-H71_bfc7d549-7a8b-4f4d-9270-57c3132b346b.jpg?v=1789243112  263w, https:\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/4SBMS10A1-H71_bfc7d549-7a8b-4f4d-9270-57c3132b346b.jpg?v=1789243112  600w\" alt=\"\" width=\"707\" height=\"808\" data-srcset=\"https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/4SBMS10A1-H71.jpg?v=1665227223 707w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/4SBMS10A1-H71-263x300.jpg?v=1665227223 263w, https:\/\/electrobes.com\/wp-content\/uploads\/2022\/10\/4SBMS10A1-H71-600x686.jpg?v=1665227223 600w\" data-sizes=\"(max-width: 707px) 100vw, 707px\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003col style=\"list-style-type: upper-roman;\"\u003e\n\u003cli\u003eOver charge voltage 4.25- 4.35V +- 0.05V.\u003c\/li\u003e\n\u003cli\u003eOver-discharge voltage 2.3- 3V +- 0.05V\u003c\/li\u003e\n\u003cli\u003eMax working current is 10A.\u003c\/li\u003e\n\u003cli\u003eMax peak current is 20A.\u003c\/li\u003e\n\u003cli\u003eWorking temperature is -40 to 50.\u003c\/li\u003e\n\u003cli\u003eStorage temperature is -40 to 80.\u003c\/li\u003e\n\u003cli\u003eSmall current id 6uA.\u003cbr\u003e\n\u003ch3\u003eWhy Choose the Battery Protection Board 4S 20A 14.8V BMS for 18650 Lithium-Ion Cells HX-4S-A20?\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Safety\u003c\/strong\u003e: Provides comprehensive protection against overcharging, over-discharging, over-current, and short circuits, ensuring your battery operates safely and reliably.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Performance\u003c\/strong\u003e: The balancing function maintains equal charge distribution across all cells, optimizing battery life and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupports Medium Power Applications\u003c\/strong\u003e: With a 20A current rating, it is ideal for a variety of medium-power devices like electric bikes, power tools, and DIY projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-Effective\u003c\/strong\u003e: Not only does it deliver professional-grade battery protection at an affordable price, but it also ensures accessibility for both hobbyists and professionals, making it a smart choice for various applications.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eBattery Protection Board 4S 20A 14.8V BMS HX-4S-A20\u003c\/strong\u003e for safe, efficient, and reliable management of your lithium-ion battery packs in a wide range of applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Electronics Hub","offers":[{"title":"Default Title","offer_id":54467180364089,"sku":"product-14610","price":290.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/3623\/2249\/files\/D.webp?v=1789243120","url":"https:\/\/electronicshub.pk\/products\/battery-protection-board-4s-20a-14-8v-bms-for-18650-lithium-ion-cells-hx-4s-a20","provider":"Electronics Hub","version":"1.0","type":"link"}