{"product_id":"better-ess-diy-kit-51-2v-280ah-300ah-314ah-lifepo4-battery-kit-with-jk-200a-bms-2a-active-balance-stackable-diy-battery-box","title":"DIY Case Kits for 48V 300ah Active balance Battery Pack with enclosure accessories","description":"\u003ch3 data-immersive-translate-walked=\"93b06d5b-e171-4d9c-a971-5245bb10dc5c\"\u003e\u003cspan data-immersive-translate-paragraph=\"1\" data-immersive-translate-walked=\"93b06d5b-e171-4d9c-a971-5245bb10dc5c\"\u003eFree Shipping \u0026amp; TAX\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-immersive-translate-walked=\"93b06d5b-e171-4d9c-a971-5245bb10dc5c\"\u003eOur current price is the final price, free shipping, free customs duties and tax, you don't need to pay any other fees.\u003c\/p\u003e\n\u003ch3 data-immersive-translate-walked=\"93b06d5b-e171-4d9c-a971-5245bb10dc5c\"\u003eDIY Battery Box Test Video:\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/lvaQdcz6tuc?si=27vgIsr04I3Bqy-M\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Cjcv4vFTMiM?si=KMIB-SihX4Tadd_W\" title=\"YouTube video player\" style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\"\u003e\n  \u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!-- 空段落换行 --\u003e\n\u003cdiv style=\"position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%;\"\u003e\u003ciframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/gBUfSo7ju8U?si=t6EjChYekAilTzzK\"\u003e\n  \u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable data-start=\"81\" data-end=\"1539\" class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 97.3118%;\"\u003e\n\u003cthead data-start=\"81\" data-end=\"259\"\u003e\n\u003ctr data-start=\"81\" data-end=\"259\"\u003e\n\u003cth data-start=\"81\" data-end=\"106\" data-col-size=\"sm\" style=\"text-align: left; width: 18.7406%;\"\u003e\n\u003ch3 style=\"text-align: center;\"\u003e\u003cstrong data-start=\"83\" data-end=\"91\"\u003eItem\u003c\/strong\u003e\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003cth data-start=\"106\" data-end=\"259\" data-col-size=\"xl\" style=\"width: 80.8999%;\"\u003e\n\u003ch3\u003e\u003cstrong data-start=\"108\" data-end=\"123\"\u003eDescription\u003c\/strong\u003e\u003c\/h3\u003e\n\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"440\" data-end=\"1539\"\u003e\n\u003ctr data-start=\"440\" data-end=\"618\"\u003e\n\u003ctd data-start=\"440\" data-end=\"465\" data-col-size=\"sm\" style=\"width: 18.7406%;\"\u003e\u003cstrong data-start=\"442\" data-end=\"453\"\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"465\" data-end=\"618\" style=\"width: 80.8999%;\"\u003e\n\u003cp\u003eBuilt-in Smart JK 16S 200A BMS with Bluetooth, Screen, and 2A Active Balancing\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"619\" data-end=\"796\"\u003e\n\u003ctd data-start=\"619\" data-end=\"644\" data-col-size=\"sm\" style=\"width: 18.7406%;\"\u003e\u003cstrong data-start=\"621\" data-end=\"630\"\u003eUsage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"644\" data-end=\"796\" style=\"width: 80.8999%; text-align: left;\"\u003e\n\u003cp\u003e√ Recommended to use cells from BetterESS Store\u003c\/p\u003e\n\u003cp\u003e√ Ideal for DIY enthusiasts.                                           \u003c\/p\u003e\n\u003cp\u003e× Not suitable for over-swollen cells. \u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"797\" data-end=\"976\"\u003e\n\u003ctd data-start=\"797\" data-end=\"822\" data-col-size=\"sm\" style=\"width: 18.7406%;\"\u003e\u003cstrong data-start=\"799\" data-end=\"818\"\u003eSupported LiFePO4 Cells\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"822\" data-end=\"976\" style=\"width: 80.8999%;\"\u003e280Ah, 300Ah, 304Ah, 314Ah, 320Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"977\" data-end=\"1156\"\u003e\n\u003ctd data-start=\"977\" data-end=\"1002\" data-col-size=\"sm\" style=\"width: 18.7406%;\"\u003e\u003cstrong data-start=\"979\" data-end=\"987\"\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"1002\" data-end=\"1156\" style=\"width: 80.8999%;\"\u003e850 × 450 × 268 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1157\" data-end=\"1336\"\u003e\n\u003ctd data-start=\"1157\" data-end=\"1182\" data-col-size=\"sm\" style=\"width: 18.7406%;\"\u003e\u003cstrong data-start=\"1159\" data-end=\"1169\"\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"1182\" data-end=\"1336\" style=\"width: 80.8999%;\"\u003e32 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1337\" data-end=\"1539\"\u003e\n\u003ctd data-start=\"1337\" data-end=\"1362\" data-col-size=\"sm\" style=\"width: 18.7406%;\"\u003e\u003cstrong data-start=\"1339\" data-end=\"1359\"\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\" data-start=\"1362\" data-end=\"1539\" style=\"width: 80.8999%;\"\u003eCase, BMS, Display screen, Switch, Communication board, Active balancer, Epoxy resin board, Connecting strips, Positive and negative terminals, Screws, and other accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eWarning\u003c\/h3\u003e\n\u003cp\u003e(1) Please charge with a dedicated lithium battery charger;\u003c\/p\u003e\n\u003cp\u003e(2) Do not reverse the positive and negative poles;\u003c\/p\u003e\n\u003cp\u003e(3) There are safety devices in the battery pack. To ensure safety, do not dissect or change the structure of the battery;\u003c\/p\u003e\n\u003cp\u003e(4) It is forbidden to directly connect the positive and negative terminals with metal;\u003c\/p\u003e\n\u003cp\u003e(5) It is strictly forbidden to immerse the battery in water;\u003c\/p\u003e\n\u003cp\u003e(6) It is strictly forbidden to drop, impact, squeeze, or puncture the battery;\u003c\/p\u003e\n\u003cp\u003e(7) If the battery pack is not used for 3 months, please put the battery pack fully. When it is not in use, it should be placed in a cool and dry environment.\u003c\/p\u003e\n\u003cp\u003e\u003cimg style=\"font-size: 0.875rem;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/001.png?v=1743997723\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/DM_20250807084432_001.jpg?v=1754528089\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/DM_20250806110541_001.jpg?v=1754463536\" alt=\"\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/DM_20250806110530_001.jpg?v=1754463535\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0780\/5344\/1838\/files\/DM_20250806110613_001_1.jpg?v=1754463705\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch3\u003e📧 Contact Us :\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMore any questions about the BetterESS Power Battery? \u003cbr\u003eEmail:  \u003ca href=\"mailto:service@better-ess.com\"\u003eservice@better-ess.com\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"Better-ess","offers":[{"title":"Sady pro kutily \/ EU (5–8 dní)","offer_id":50244764401966,"sku":null,"price":699.99,"currency_code":"USD","in_stock":true},{"title":"Sady pro kutily \/ Čína (45–60 DNÍ)","offer_id":49906273780014,"sku":"","price":699.99,"currency_code":"USD","in_stock":true},{"title":"Sady kufrů + EVE 280K (16 ks) \/ EU (5–8 dní)","offer_id":50244764467502,"sku":null,"price":2059.99,"currency_code":"USD","in_stock":false},{"title":"Sady kufrů + EVE 280K (16 ks) \/ Čína (45–60 DNÍ)","offer_id":49906273812782,"sku":"","price":1999.99,"currency_code":"USD","in_stock":true},{"title":"Sady pouzder + EVE 304Ah (16 ks) \/ EU (5–8 dní)","offer_id":50244764500270,"sku":null,"price":2299.95,"currency_code":"USD","in_stock":false},{"title":"Sady pouzder + EVE 304Ah (16 ks) \/ Čína (45–60 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