{"product_id":"varstrom-48v-25ah-52v-20ah-e-bike-battery-40a-bms-21700-pack","title":"Varstrom E-Bike Battery 48V 25Ah 52V 20Ah 40A BMS Downtube Lithium Pack for 500W to 2000W Motors with 21700 Cells (2026 New)","description":"\u003cp\u003e\u003cspan style=\"color: rgb(255, 0, 255);\"\u003e\u003cstrong\u003eExpected arrival within 5–8 days\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eUnleash the full potential of your electric ride with the \u003cb\u003eVarstrom E-Bike Downtube Lithium Battery\u003c\/b\u003e. Built using advanced, high-density \u003cb\u003e21700 lithium cells\u003c\/b\u003e, this 2026 new release is engineered specifically for high-power e-bike conversions ranging from 500W, 1000W, up to heavy-duty 2000W motors.Equipped with an intelligent \u003cb\u003e40A Battery Management System (BMS)\u003c\/b\u003e, this pack safely handles high discharge currents while protecting against over-charge, over-discharge, overload, and short-circuits. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBattery Chemistry:\u003c\/b\u003e Lithium-Ion (using high-drain 21700 cells)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAvailable Voltages:\u003c\/b\u003e 48V \/ 52V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eAvailable Capacities:\u003c\/b\u003e 25Ah (for 48V) \/ 20Ah (for 52V)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBMS Protection:\u003c\/b\u003e 40A Intelligent Battery Management System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCompatible Motor Power:\u003c\/b\u003e 500W, 1000W, up to 2000W conversion kits\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eCasing Type:\u003c\/b\u003e Downtube mount with integrated safety lock and power switch\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eApplication:\u003c\/b\u003e Electric bicycles, e-MTBs, high-speed commuting e-bikes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"UGNE","offers":[{"title":"48V 25Ah Yingwu EVE","offer_id":47977004302473,"sku":null,"price":421.3,"currency_code":"USD","in_stock":true},{"title":"52V 25Ah Yingwu L-G","offer_id":47977004335241,"sku":null,"price":427.38,"currency_code":"USD","in_stock":true},{"title":"52V 20Ah Yingwu Sa-m","offer_id":47977004368009,"sku":null,"price":421.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/7101\/2233\/files\/Varstrom_ebike_battery_48V_52V_downtube_main_studio_view.webp?v=1787210658","url":"https:\/\/ugne.us\/products\/varstrom-48v-25ah-52v-20ah-e-bike-battery-40a-bms-21700-pack","provider":"UGNE Parts","version":"1.0","type":"link"}