{"product_id":"12v-40ah-deep-cycle-lithium-marine-battery-viper-bluetooth-mml-cw1240b","title":"12v 40Ah Deep Cycle  Lithium Marine Battery \"Viper\" -  Bluetooth - MML-CW1240B","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch1 data-start=\"364\" data-end=\"405\"\u003e⚡ \u003cstrong data-start=\"368\" data-end=\"403\"\u003eMonster Marine Lithium™ “Viper”\u003c\/strong\u003e\n\u003c\/h1\u003e\n\u003ch3 data-start=\"406\" data-end=\"472\"\u003e\u003cstrong data-start=\"410\" data-end=\"470\"\u003e12V • 40Ah Portable Bluetooth Deep Cycle Lithium Battery\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"474\" data-end=\"498\"\u003e\u003cstrong data-start=\"474\" data-end=\"484\"\u003eModel:\u003c\/strong\u003e MML-CW1240B\u003c\/p\u003e\n\u003chr data-start=\"500\" data-end=\"503\"\u003e\n\u003ch2 data-start=\"505\" data-end=\"520\"\u003e\u003cstrong data-start=\"508\" data-end=\"520\"\u003eOverview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"522\" data-end=\"832\"\u003ePortable, lightweight, and efficient — meet \u003cstrong data-start=\"566\" data-end=\"579\"\u003eThe Viper\u003c\/strong\u003e, a compact 12V lithium battery built for versatility and reliability.\u003cbr data-start=\"649\" data-end=\"652\"\u003eWeighing only \u003cstrong data-start=\"666\" data-end=\"676\"\u003e13 lbs\u003c\/strong\u003e, this battery is perfect for powering your \u003cstrong data-start=\"720\" data-end=\"779\"\u003e12V electronics, kayak systems, or outdoor power setups\u003c\/strong\u003e, delivering high performance in a small footprint.\u003c\/p\u003e\n\u003cp data-start=\"834\" data-end=\"1200\"\u003eBuilt with \u003cstrong data-start=\"845\" data-end=\"881\"\u003eLithium Iron Phosphate (LiFePO₄)\u003c\/strong\u003e technology, \u003cstrong data-start=\"894\" data-end=\"907\"\u003eThe Viper\u003c\/strong\u003e provides \u003cstrong data-start=\"917\" data-end=\"936\"\u003etwice the power\u003c\/strong\u003e, a \u003cstrong data-start=\"940\" data-end=\"966\"\u003efraction of the weight\u003c\/strong\u003e, and \u003cstrong data-start=\"972\" data-end=\"999\"\u003efour times the lifespan\u003c\/strong\u003e of traditional lead-acid batteries.\u003cbr data-start=\"1035\" data-end=\"1038\"\u003eIt features \u003cstrong data-start=\"1050\" data-end=\"1074\"\u003eBluetooth monitoring\u003c\/strong\u003e via the \u003cstrong data-start=\"1083\" data-end=\"1100\"\u003eMMLithium App\u003c\/strong\u003e (iOS \u0026amp; Android), allowing you to track voltage, state of charge, and overall health in real time.\u003c\/p\u003e\n\u003cp data-start=\"1202\" data-end=\"1458\"\u003eInstallation is simple — a true \u003cstrong data-start=\"1234\" data-end=\"1251\"\u003eplug-and-play\u003c\/strong\u003e setup — and up to \u003cstrong data-start=\"1270\" data-end=\"1311\"\u003efour batteries can be wired in series\u003c\/strong\u003e for higher voltage systems.\u003cbr data-start=\"1339\" data-end=\"1342\"\u003eCompact, rugged, and dependable, \u003cstrong data-start=\"1375\" data-end=\"1388\"\u003eThe Viper\u003c\/strong\u003e is also \u003cstrong data-start=\"1397\" data-end=\"1455\"\u003eperfect for ice fishing bundles and mobile power boxes\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1460\" data-end=\"1463\"\u003e\n\u003ch2 data-start=\"1465\" data-end=\"1484\"\u003e\u003cstrong data-start=\"1468\" data-end=\"1484\"\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1486\" data-end=\"1636\"\u003e\u003cstrong data-start=\"1486\" data-end=\"1521\"\u003e⚙️ Lightweight, Portable Design\u003c\/strong\u003e\u003cbr data-start=\"1521\" data-end=\"1524\"\u003eAt just \u003cstrong data-start=\"1532\" data-end=\"1542\"\u003e13 lbs\u003c\/strong\u003e, The Viper is built for mobility — ideal for \u003cstrong data-start=\"1588\" data-end=\"1633\"\u003ekayaks, ice fishing, go-boats, and small 12V setups\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1638\" data-end=\"1773\"\u003e\u003cstrong data-start=\"1638\" data-end=\"1670\"\u003e🔋 Reliable Deep-Cycle Power\u003c\/strong\u003e\u003cbr data-start=\"1670\" data-end=\"1673\"\u003eDelivers \u003cstrong data-start=\"1682\" data-end=\"1690\"\u003e40Ah\u003c\/strong\u003e of steady 12.8V power — perfect for fish finders, sonar units, and outdoor gear.\u003c\/p\u003e\n\u003cp data-start=\"1775\" data-end=\"1905\"\u003e\u003cstrong data-start=\"1775\" data-end=\"1808\"\u003e📱 Bluetooth Smart Monitoring\u003c\/strong\u003e\u003cbr data-start=\"1808\" data-end=\"1811\"\u003eStay informed with real-time tracking through the \u003cstrong data-start=\"1861\" data-end=\"1888\"\u003eMMLithium Bluetooth App\u003c\/strong\u003e on your phone.\u003c\/p\u003e\n\u003cp data-start=\"1907\" data-end=\"2044\"\u003e\u003cstrong data-start=\"1907\" data-end=\"1941\"\u003e🧠 Advanced LiFePO₄ Technology\u003c\/strong\u003e\u003cbr data-start=\"1941\" data-end=\"1944\"\u003eSafe, stable, and durable — with \u003cstrong data-start=\"1977\" data-end=\"2000\"\u003e4000+ charge cycles\u003c\/strong\u003e and consistent voltage output under load.\u003c\/p\u003e\n\u003cp data-start=\"2046\" data-end=\"2218\"\u003e\u003cstrong data-start=\"2046\" data-end=\"2072\"\u003e🔌 Plug-and-Play Setup\u003c\/strong\u003e\u003cbr data-start=\"2072\" data-end=\"2075\"\u003eQuick and easy installation — connect your power leads, and you’re ready to go. Supports \u003cstrong data-start=\"2164\" data-end=\"2194\"\u003eseries and parallel wiring\u003c\/strong\u003e for expanded systems.\u003c\/p\u003e\n\u003cp data-start=\"2220\" data-end=\"2310\"\u003e\u003cstrong data-start=\"2220\" data-end=\"2247\"\u003e⚡ Charger Compatibility\u003c\/strong\u003e\u003cbr data-start=\"2247\" data-end=\"2250\"\u003eCompatible with \u003cstrong data-start=\"2266\" data-end=\"2289\"\u003eAGM marine chargers\u003c\/strong\u003e (use AGM setting):\u003c\/p\u003e\n\u003cul data-start=\"2311\" data-end=\"2394\"\u003e\n\u003cli data-start=\"2311\" data-end=\"2346\"\u003e\n\u003cp data-start=\"2313\" data-end=\"2346\"\u003eMinn Kota (Precision \u0026amp; Digital)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2347\" data-end=\"2359\"\u003e\n\u003cp data-start=\"2349\" data-end=\"2359\"\u003eDual Pro\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2360\" data-end=\"2368\"\u003e\n\u003cp data-start=\"2362\" data-end=\"2368\"\u003eNOCO\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2369\" data-end=\"2381\"\u003e\n\u003cp data-start=\"2371\" data-end=\"2381\"\u003eReal Pro\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2382\" data-end=\"2394\"\u003e\n\u003cp data-start=\"2384\" data-end=\"2394\"\u003eProSport\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2396\" data-end=\"2399\"\u003e\n\u003ch2 data-start=\"2401\" data-end=\"2425\"\u003e\u003cstrong data-start=\"2404\" data-end=\"2425\"\u003e⚙️ Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2427\" data-end=\"3109\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2427\" data-end=\"2457\"\u003e\n\u003ctr data-start=\"2427\" data-end=\"2457\"\u003e\n\u003cth data-start=\"2427\" data-end=\"2442\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2429\" data-end=\"2441\"\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"2442\" data-end=\"2457\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"2444\" data-end=\"2455\"\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2490\" data-end=\"3109\"\u003e\n\u003ctr data-start=\"2490\" data-end=\"2513\"\u003e\n\u003ctd data-start=\"2490\" data-end=\"2503\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2492\" data-end=\"2502\"\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2503\" data-end=\"2513\"\u003e13 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2514\" data-end=\"2590\"\u003e\n\u003ctd data-start=\"2514\" data-end=\"2543\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2516\" data-end=\"2542\"\u003eDimensions (L × W × H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2543\" data-end=\"2590\"\u003e7.5 in × 5 in × 6.5 in (195 × 130 × 154 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2591\" data-end=\"2623\"\u003e\n\u003ctd data-start=\"2591\" data-end=\"2613\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2593\" data-end=\"2612\"\u003eNominal Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2613\" data-end=\"2623\"\u003e12.8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2624\" data-end=\"2656\"\u003e\n\u003ctd data-start=\"2624\" data-end=\"2647\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2626\" data-end=\"2646\"\u003eNominal Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2647\" data-end=\"2656\"\u003e40 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2657\" data-end=\"2680\"\u003e\n\u003ctd data-start=\"2657\" data-end=\"2670\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2659\" data-end=\"2669\"\u003eEnergy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2670\" data-end=\"2680\"\u003e512 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2681\" data-end=\"2725\"\u003e\n\u003ctd data-start=\"2681\" data-end=\"2708\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2683\" data-end=\"2707\"\u003eCharge Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2708\" data-end=\"2725\"\u003e14.4 – 14.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2726\" data-end=\"2759\"\u003e\n\u003ctd data-start=\"2726\" data-end=\"2751\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2728\" data-end=\"2750\"\u003eMax Charge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2751\" data-end=\"2759\"\u003e40 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2760\" data-end=\"2807\"\u003e\n\u003ctd data-start=\"2760\" data-end=\"2795\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2762\" data-end=\"2794\"\u003eContinuous Discharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2795\" data-end=\"2807\"\u003e60 A max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2808\" data-end=\"2868\"\u003e\n\u003ctd data-start=\"2808\" data-end=\"2832\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2810\" data-end=\"2831\"\u003eBattery Chemistry\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2832\" data-end=\"2868\"\u003eLithium Iron Phosphate (LiFePO₄)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2869\" data-end=\"2902\"\u003e\n\u003ctd data-start=\"2869\" data-end=\"2886\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2871\" data-end=\"2885\"\u003eCycle Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2886\" data-end=\"2902\"\u003e4000+ cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2903\" data-end=\"2934\"\u003e\n\u003ctd data-start=\"2903\" data-end=\"2923\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2905\" data-end=\"2922\"\u003eTerminal Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2923\" data-end=\"2934\"\u003eM8 Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2935\" data-end=\"3027\"\u003e\n\u003ctd data-start=\"2935\" data-end=\"2963\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"2937\" data-end=\"2962\"\u003eConfiguration Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2963\" data-end=\"3027\"\u003eUp to 4 in series for 48V max \/ parallel for higher capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3028\" data-end=\"3109\"\u003e\n\u003ctd data-start=\"3028\" data-end=\"3058\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3030\" data-end=\"3057\"\u003eBluetooth Functionality\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3058\" data-end=\"3109\"\u003eBuilt-in Smart Monitoring via \u003cstrong data-start=\"3090\" data-end=\"3107\"\u003eMMLithium App\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"3111\" data-end=\"3114\"\u003e\n\u003ch2 data-start=\"3116\" data-end=\"3137\"\u003e\u003cstrong data-start=\"3119\" data-end=\"3137\"\u003e⚓ Applications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"3139\" data-end=\"3599\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"3139\" data-end=\"3175\"\u003e\n\u003ctr data-start=\"3139\" data-end=\"3175\"\u003e\n\u003cth data-start=\"3139\" data-end=\"3154\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3141\" data-end=\"3153\"\u003eUse Case\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth data-start=\"3154\" data-end=\"3175\" data-col-size=\"md\"\u003e\u003cstrong data-start=\"3156\" data-end=\"3173\"\u003eCompatibility\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"3214\" data-end=\"3599\"\u003e\n\u003ctr data-start=\"3214\" data-end=\"3302\"\u003e\n\u003ctd data-start=\"3214\" data-end=\"3232\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3216\" data-end=\"3231\"\u003ePrimary Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3232\" data-end=\"3302\"\u003ePortable power for 12V electronics, kayaks, and ice fishing setups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3303\" data-end=\"3382\"\u003e\n\u003ctd data-start=\"3303\" data-end=\"3325\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3305\" data-end=\"3324\"\u003eVoltage Systems\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3325\" data-end=\"3382\"\u003eCompatible with 12V, 24V, 36V, and 48V configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3383\" data-end=\"3471\"\u003e\n\u003ctd data-start=\"3383\" data-end=\"3400\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3385\" data-end=\"3399\"\u003eOther Uses\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3400\" data-end=\"3471\"\u003eFish finders, sonar units, power boxes, camping, and outdoor setups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3472\" data-end=\"3528\"\u003e\n\u003ctd data-start=\"3472\" data-end=\"3494\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3474\" data-end=\"3493\"\u003eReplacement For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3494\" data-end=\"3528\"\u003e12V AGM or lead-acid batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"3529\" data-end=\"3599\"\u003e\n\u003ctd data-start=\"3529\" data-end=\"3552\" data-col-size=\"sm\"\u003e\u003cstrong data-start=\"3531\" data-end=\"3551\"\u003eWeight Advantage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"3552\" data-end=\"3599\"\u003eRoughly 70% lighter than standard batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Monster Marine Lithium","offers":[{"title":"Default Title","offer_id":48541584326873,"sku":"MML-CW1240B","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0769\/3094\/1145\/files\/12v40AhBTPNG_832b2208-1c9d-4617-b258-42aac430ebb3.png?v=1776386007","url":"https:\/\/jigshackoutdoors.com\/products\/12v-40ah-deep-cycle-lithium-marine-battery-viper-bluetooth-mml-cw1240b","provider":"Jig Shack Outdoors","version":"1.0","type":"link"}