{"product_id":"nos-novu-ii-replacement-battery-38v-2150mah-li-ion","title":"NOS Novu II Replacement Battery 3.8V 2150mAh Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eNOS Novu II — 3.8V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.8V, 2150mAh Li-ion battery for the ZTE Novu II smartphone. It replaces the original cell when the phone no longer holds a charge, shuts down unexpectedly, or fails to power on after a full charge cycle. Capacity is 8.17Wh — matched to the stock specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNovu II platform fit:\u003c\/strong\u003e\n    The Novu II uses a removable cell with a three-contact connector tied to the onboard charge IC. Voltage rail, physical footprint (74.50 × 57.00 × 4.20mm), and connector orientation must all match — this cell meets those specs exactly.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through charge and discharge on the Novu II platform. The BMS accepted the charge IC handshake on first connection, and voltage stayed stable through modem and screen load events without triggering a premature cutoff.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    On first use after installation, disable fast charging if available and run one full discharge-charge cycle. This allows the fuel gauge IC to map the new cell's discharge curve before reporting state-of-charge to the OS — skipping this step often causes incorrect percentage readings for the first several cycles.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on the Novu II after a cell swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is a voltage cliff issue, not a capacity fault. When the modem transmits or the screen runs at full brightness, instantaneous current draw can pull cell voltage below the BMS cutoff threshold — even when the fuel gauge still shows charge remaining. A new cell with an uncalibrated fuel gauge IC compounds this because the OS is reading a curve mapped to the old cell. Run one full discharge-charge cycle without fast charging. After calibration, the fuel gauge tracks actual cell voltage more accurately and the shutdowns typically stop.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003ePhone warm near the battery slot during the first charge after replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA new cell has higher internal impedance than a conditioned one. The charge IC pushes current into that higher impedance, which generates more heat than usual during the first few cycles. This is expected behaviour and not a fault with the cell or the phone. Warmth should reduce noticeably after two or three full cycles as impedance drops. If the phone remains hot to the touch after five cycles, check that the replacement cell dimensions — particularly the 4.20mm thickness — match the original, as a swollen or oversized cell will trap heat against the chassis.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43392069140570,"sku":"BWCS-ZTL510XL-1","price":24.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43392069173338,"sku":"BWCS-ZTL510XL-2","price":27.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43392069206106,"sku":"BWCS-ZTL510XL-3","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-ZTL510XL-1.webp?v=1779143562","url":"https:\/\/batteryweb.com\/products\/nos-novu-ii-replacement-battery-38v-2150mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}