{"product_id":"4-cell-lithium-polymer-battery-connected-in-series-4s-battery","title":"4-Cell Li-ion battery Connected in Series (4S battery)","description":"\u003ch2 data-path-to-node=\"0\"\u003eHigh-Efficiency Power: The \u003cb data-path-to-node=\"0\" data-index-in-node=\"27\"\u003e4-Cell Li-ion battery Connected in Series (4S battery)\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp data-path-to-node=\"1\"\u003eFor projects that require a noticeable step up in power without the weight of larger industrial setups, the \u003cb data-path-to-node=\"1\" data-index-in-node=\"108\"\u003e4-Cell Li-ion battery Connected in Series (4S battery)\u003c\/b\u003e provides the perfect sweet spot. By linking four premium lithium-ion cells end-to-end, this configuration multiplies the voltage of a single cell by four, making it a staple power source for mid-sized RC aircraft, portable medical devices, and custom DIY electronics.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eKey Technical Advantages\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\"\u003eThe architectural focus of the \u003cb data-path-to-node=\"4\" data-index-in-node=\"31\"\u003e4-Cell Li-ion battery Connected in Series (4S battery)\u003c\/b\u003e is entirely on delivering punchy, efficient voltage. Here is why this popular setup is so widely utilized:\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eOptimized Mid-Range Voltage:\u003c\/b\u003e Pushing past the limitations of 2S and 3S setups, it delivers a nominal voltage of over 14V to give brushless motors and electronic speed controllers (ESCs) excellent torque and RPM.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eExcellent Power-to-Weight Ratio:\u003c\/b\u003e The \u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"37\"\u003e4-Cell Li-ion battery Connected in Series (4S battery)\u003c\/b\u003e offers a significant boost in performance while remaining light enough to keep drones agile and handheld devices highly portable.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eReliable Discharge Rates:\u003c\/b\u003e Because the cells are wired in a straight series chain, energy flows directly and efficiently, reducing internal resistance and ensuring quick throttle response under load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"15\"\u003e⚠️ Important Safety \u0026amp; Charging Instructions\u003c\/h3\u003e\n\u003cblockquote data-path-to-node=\"16\"\u003e\n\u003cul data-path-to-node=\"16,0\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0,0\" id=\"p-rc_99dac9ee9533952b-34\"\u003e\u003cspan class=\"citation-33\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"16,0,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-33\"\u003eAlways Use a Balance Charger:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-33 citation-end-33\"\u003e Only charge using a dedicated LiPo balance charger.\u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-32 citation-end-32\"\u003eNever leave charging batteries unattended.\u003csup class=\"superscript\" data-turn-source-index=\"8\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003cul data-path-to-node=\"17\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,0,0\" id=\"p-rc_99dac9ee9533952b-35\"\u003e\u003cb data-path-to-node=\"17,0,0\" data-index-in-node=\"0\"\u003eVoltage Safety:\u003c\/b\u003e\u003cspan class=\"citation-31 citation-end-31\"\u003e Never discharge the pack below 3.0V per cell (12.0V total) to prevent permanent battery damage.\u003csup class=\"superscript\" data-turn-source-index=\"9\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"17,1,0\" id=\"p-rc_99dac9ee9533952b-36\"\u003e\u003cb data-path-to-node=\"17,1,0\" data-index-in-node=\"0\"\u003eSafe Storage:\u003c\/b\u003e If storing the battery for more than a few days, transition the pack to its standard storage voltage (~15.2V) using your charger's storage mode. \u003cspan class=\"citation-30 citation-end-30\"\u003eStore and transport in a fireproof LiPo bag.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"11\"\u003e⚙️ Technical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eBattery Chemistry\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003eLi-ion. Battery\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eCell Configuration\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003e4S1P (4 Cells in Series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,0,0\"\u003e\u003cb data-path-to-node=\"12,3,0,0\" data-index-in-node=\"0\"\u003eNominal Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,3,1,0\"\u003e14.8V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,0,0\"\u003e\u003cb data-path-to-node=\"12,4,0,0\" data-index-in-node=\"0\"\u003eFully Charged Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,4,1,0\"\u003e16.8V (4.2V per cell)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,0,0\"\u003e\u003cb data-path-to-node=\"12,5,0,0\" data-index-in-node=\"0\"\u003eStorage Voltage\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,5,1,0\"\u003e15.2V – 15.4V (3.8V per cell)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,6,0,0\"\u003e\u003cb data-path-to-node=\"12,6,0,0\" data-index-in-node=\"0\"\u003eCapacity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,6,1,0\"\u003e\u003ccode data-path-to-node=\"12,6,1,0\" data-index-in-node=\"0\"\u003e[e.g., 1300mAh \/ 5000mAh]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,7,0,0\"\u003e\u003cb data-path-to-node=\"12,7,0,0\" data-index-in-node=\"0\"\u003eDischarge Rate (C-Rating)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,7,1,0\"\u003e\u003ccode data-path-to-node=\"12,7,1,0\" data-index-in-node=\"0\"\u003e[e.g., 50C Continuous \/ 100C Burst]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,8,0,0\"\u003e\u003cb data-path-to-node=\"12,8,0,0\" data-index-in-node=\"0\"\u003eMain Discharge Connector\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,8,1,0\"\u003e\u003ccode data-path-to-node=\"12,8,1,0\" data-index-in-node=\"0\"\u003e[e.g., XT60 \/ XT90 \/ Deans \/ EC5]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,9,0,0\"\u003e\u003cb data-path-to-node=\"12,9,0,0\" data-index-in-node=\"0\"\u003eBalance Connector Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,9,1,0\"\u003eJST-XH (Standard)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,10,0,0\"\u003e\u003cb data-path-to-node=\"12,10,0,0\" data-index-in-node=\"0\"\u003eDimensions (L x W x H)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,10,1,0\"\u003e\u003ccode data-path-to-node=\"12,10,1,0\" data-index-in-node=\"0\"\u003e[e.g., 136 x 44 x 31 mm]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,11,0,0\"\u003e\u003cb data-path-to-node=\"12,11,0,0\" data-index-in-node=\"0\"\u003eWeight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,11,1,0\"\u003e\u003ccode data-path-to-node=\"12,11,1,0\" data-index-in-node=\"0\"\u003e[e.g., 369g]\u003c\/code\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Droneyards","offers":[{"title":"Default Title","offer_id":54684386427252,"sku":"FY_4s battery\/006","price":2700.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0969\/6477\/2212\/files\/IMG_20260527_141719_jpg.jpg?v=1779875161","url":"https:\/\/www.fpvyards.in\/products\/4-cell-lithium-polymer-battery-connected-in-series-4s-battery","provider":"FPV Yards","version":"1.0","type":"link"}