{"product_id":"lgm52v-rpe","title":"LG M52V INR21700  | High-Capacity Premium 21700 Lithium-Ion Cell","description":"\u003cdiv class=\"product-description rte\"\u003e\n\u003ch2 data-end=\"165\" data-start=\"113\"\u003e\u003cstrong data-end=\"125\" data-start=\"113\"\u003eLG INR21700 M52V | High-Capacity Premium 21700 Lithium-Ion Cell\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"165\" data-start=\"113\"\u003e\u003cstrong data-end=\"125\" data-start=\"113\"\u003eOverview\u003c\/strong\u003e\u003cbr data-end=\"128\" data-start=\"125\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThe LG INR21700 M52V is a next-generation cylindrical lithium-ion cell tailored for high-demand applications like power tools, electric vehicles, industrial battery packs, energy storage systems (ESS), and advanced DIY battery builds. Engineered by LG Energy Solution, it blends impressive energy capacity, high discharge rates, and rigorous safety standards.\u003c\/span\u003e\u003cstrong data-end=\"183\" data-start=\"167\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1029\" data-start=\"918\"\u003e\u003cstrong data-end=\"947\" data-start=\"918\"\u003eBattery Pack Design Notes\u003c\/strong\u003e\u003cbr data-end=\"950\" data-start=\"947\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eWhen designing battery packs with M52V cells, adhere strictly to LG’s recommended parameters for charge\/discharge current, voltage thresholds (4.20 V max charge \/ 2.50 V min discharge), and protective functions to ensure safety and optimal lifespan.\u003c\/span\u003e\u003cspan data-state=\"closed\" class=\"\"\u003e\u003cspan class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-end=\"1034\" data-start=\"1031\"\u003e\n\u003ch3 data-end=\"1082\" data-start=\"1036\"\u003e📥 Downloads\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2429\/4947\/files\/2_PS-CY-INR21700_M52V_WM_RPE.pdf?v=1750875698\"\u003eINR21700_M52V\u003c\/a\u003e\u003c\/p\u003e\n\u003chr data-end=\"1087\" data-start=\"1084\"\u003e\n\u003ch3 data-end=\"1146\" data-start=\"1089\"\u003e📄 Specifications \u003c\/h3\u003e\n\u003ch4 data-end=\"1146\" data-start=\"1089\"\u003eLG INR21700 M52V • 5000 mAh High-Capacity 21700 Cell\u003c\/h4\u003e\n\u003cul data-end=\"1587\" data-start=\"1148\"\u003e\n\u003cli data-end=\"1191\" data-start=\"1148\"\u003e\n\u003cp data-end=\"1191\" data-start=\"1150\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"12\" data-start=\"0\"\u003eCapacity\u003c\/strong\u003e: 5 Ah (18.34 Wh) nominal\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1235\" data-start=\"1192\"\u003e\n\u003cp data-end=\"1235\" data-start=\"1194\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"11\" data-start=\"0\"\u003eVoltage\u003c\/strong\u003e: 3.69 V nominal (4.20 V – 2.50 V operating window)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1279\" data-start=\"1236\"\u003e\n\u003cp data-end=\"1279\" data-start=\"1238\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"24\" data-start=\"0\"\u003eContinuous Discharge\u003c\/strong\u003e: 15 A (3 C) @ 25 °C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1323\" data-start=\"1280\"\u003e\n\u003cp data-end=\"1323\" data-start=\"1282\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"20\" data-start=\"0\"\u003ePeak Pulse Power\u003c\/strong\u003e: up to 68 W\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1367\" data-start=\"1324\"\u003e\n\u003cp data-end=\"1367\" data-start=\"1326\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"23\" data-start=\"0\"\u003eInternal Resistance\u003c\/strong\u003e: ≤ 20 mΩ\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1411\" data-start=\"1368\"\u003e\n\u003cp data-end=\"1411\" data-start=\"1370\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"14\" data-start=\"0\"\u003eCycle Life\u003c\/strong\u003e: ≥ 86 % capacity retained after 500 cycles\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1455\" data-start=\"1412\"\u003e\n\u003cp data-end=\"1455\" data-start=\"1414\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"10\" data-start=\"0\"\u003eWeight\u003c\/strong\u003e: 67.4 g ±1g\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1499\" data-start=\"1456\"\u003e\n\u003cp data-end=\"1499\" data-start=\"1458\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"8\" data-start=\"0\"\u003eSize\u003c\/strong\u003e: 21.1 mm (Ø) × 70.6 mm (H)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1543\" data-start=\"1500\"\u003e\n\u003cp data-end=\"1543\" data-start=\"1502\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"18\" data-start=\"0\"\u003eOperating Temp\u003c\/strong\u003e: charge 0–45 °C \/ discharge -20–55 °C (cell surface up to 70 °C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1587\" data-start=\"1544\"\u003e\n\u003cp data-end=\"1587\" data-start=\"1546\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003e\u003cstrong data-is-only-node=\"\" data-end=\"18\" data-start=\"0\"\u003eCertifications\u003c\/strong\u003e: UL2580 \u0026amp; UN38.3 for ESS\/EV-grade quality\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1655\" data-start=\"1589\"\u003e\u003cstrong data-end=\"1613\" data-start=\"1589\"\u003eWhy Choose the M52V?\u003c\/strong\u003e\u003cbr data-end=\"1616\" data-start=\"1613\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eThis cell bridges the gap between high-capacity and high-power performance. Its robust 5 Ah rating, low impedance, and high continuous current make it ideal for rugged applications—everything from heavy-duty power tools to backup power systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"1682\" data-start=\"1657\"\u003e\u003cstrong data-end=\"1679\" data-start=\"1657\"\u003eIdeal Applications\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-end=\"1858\" data-start=\"1683\"\u003e\n\u003cli data-end=\"1726\" data-start=\"1683\"\u003e\n\u003cp data-end=\"1726\" data-start=\"1685\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eDIY high-performance battery packs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1770\" data-start=\"1727\"\u003e\n\u003cp data-end=\"1770\" data-start=\"1729\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eElectric vehicle prototypes\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1814\" data-start=\"1771\"\u003e\n\u003cp data-end=\"1814\" data-start=\"1773\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003ePortable power stations and ESS\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1858\" data-start=\"1815\"\u003e\n\u003cp data-end=\"1858\" data-start=\"1817\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eIndustrial \u0026amp; medical backup power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1933\" data-start=\"1860\"\u003e\u003cstrong data-end=\"1891\" data-start=\"1860\"\u003eSafely Designed for OEM Use\u003c\/strong\u003e\u003cbr data-end=\"1894\" data-start=\"1891\"\u003e\u003cspan class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"\u003eBe sure to integrate essential pack protections (over-voltage, under-voltage, over-current, thermal cut-outs) in line with LG’s official specs. Cells should only be ordered and assembled through authorized distributors and used in professionally designed packs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-end=\"2358\" data-start=\"2211\"\u003e⚠ \u003cstrong data-end=\"386\" data-start=\"357\"\u003eImportant Safety Warnings\u003cbr\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"186\" data-end=\"575\"\u003eImproper use of lithium-ion batteries can cause \u003cstrong data-start=\"297\" data-end=\"335\"\u003efire, explosion, or serious injury\u003c\/strong\u003e. These cells are intended \u003cstrong data-start=\"362\" data-end=\"370\"\u003eonly\u003c\/strong\u003e for use in battery packs with a \u003cstrong data-start=\"403\" data-end=\"438\"\u003eBMS (Battery Management System)\u003c\/strong\u003e or \u003cstrong data-start=\"442\" data-end=\"476\"\u003eProtection Circuit Board (PCB)\u003c\/strong\u003e. \u003cstrong data-start=\"478\" data-end=\"512\"\u003eDo not use as standalone cells\u003c\/strong\u003e or in e-cigarettes, vape devices, or unprotected applications.\u003c\/p\u003e\n\u003cp data-start=\"577\" data-end=\"605\"\u003e\u003cstrong data-start=\"577\" data-end=\"603\"\u003eKey Safety Guidelines:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"606\" data-end=\"1192\"\u003e\n\u003cli data-start=\"606\" data-end=\"705\"\u003e\n\u003cp data-start=\"608\" data-end=\"705\"\u003e\u003cstrong data-start=\"608\" data-end=\"639\"\u003eNever carry loose batteries\u003c\/strong\u003e in your pocket, purse, or bag — risk of short circuit and fire.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"706\" data-end=\"762\"\u003e\n\u003cp data-start=\"708\" data-end=\"762\"\u003eAlways \u003cstrong data-start=\"715\" data-end=\"738\"\u003estore and transport\u003c\/strong\u003e in a protective case.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"763\" data-end=\"855\"\u003e\n\u003cp data-start=\"765\" data-end=\"855\"\u003e\u003cstrong data-start=\"765\" data-end=\"787\"\u003eInspect before use\u003c\/strong\u003e: Do not use if damaged, leaking, bulging, or the wrapper is torn.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"856\" data-end=\"968\"\u003e\n\u003cp data-start=\"858\" data-end=\"968\"\u003e\u003cstrong data-start=\"858\" data-end=\"875\"\u003eCharge safely\u003c\/strong\u003e: Use a smart charger designed for lithium-ion cells. Never overcharge or leave unattended.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"969\" data-end=\"1061\"\u003e\n\u003cp data-start=\"971\" data-end=\"1061\"\u003e\u003cstrong data-start=\"971\" data-end=\"981\"\u003eDo not\u003c\/strong\u003e crush, puncture, modify, expose to liquid, solder directly, or short circuit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1062\" data-end=\"1192\"\u003e\n\u003cp data-start=\"1064\" data-end=\"1192\"\u003eFor thermal runaway (swelling, smoke, heat): move to a fire-safe surface and use \u003cstrong data-start=\"1145\" data-end=\"1177\"\u003eClass D extinguisher or sand\u003c\/strong\u003e — never water.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1194\" data-end=\"1449\"\u003e\u003cstrong data-start=\"1194\" data-end=\"1209\"\u003eDisclaimer:\u003c\/strong\u003e\u003cbr data-start=\"1209\" data-end=\"1212\"\u003eRechargeable Power Energy (RPE) is not responsible for misuse, improper handling, or unsafe pack assembly. Buyers and resellers accept full responsibility for safe use. Cells must be packaged individually — do \u003cstrong data-start=\"1422\" data-end=\"1429\"\u003enot\u003c\/strong\u003e sell or ship loose.\u003c\/p\u003e\n\u003ch3 class=\"battery-warning\"\u003e\n\u003cstrong\u003e📹Video\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003ciframe width=\"1296\" height=\"729\" src=\"https:\/\/www.youtube.com\/embed\/7rYdjzmEDNc\" title=\"LG M52VT 18650 Battery Range \u0026amp; Power Test | Max Load \u0026amp; Real Use\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"LG","offers":[{"title":"Default Title","offer_id":42348646924350,"sku":"LG-M52V","price":5.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/9289\/5294\/files\/M52V.webp?v=1767063073","url":"https:\/\/unitedlithium.us\/products\/lgm52v-rpe","provider":"United Lithium Solutions","version":"1.0","type":"link"}