{"product_id":"hasee-zx7-sp5d1-replacement-battery-148v-4400mah-li-ion","title":"Hasee ZX7-SP5D1 Replacement Battery 14.8V 4400mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eHasee ZX7-SP5D1 \/ Shinelon V56 Pro Series — 14.8V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 14.8V, 4400mAh (65.12Wh) lithium-ion cell for the Hasee ZX7-SP5D1, ZX7-D0, Shinelon V56 Pro, GX8-CR6S1, and 26 additional compatible models. It replaces the original pack when capacity has dropped, the OS reports poor health, or the battery no longer holds charge under load. Voltage and connector configuration match the original specification across this model family.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eZX7 and Shinelon V56 Pro compatibility:\u003c\/strong\u003e\n    These models share a common 14.8V four-cell architecture, identical BMS connector pinout, and the same charge-controller handshake. One cell covers the full range without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran charge-discharge cycles on this cell and confirmed the BMS communicates correctly at each voltage threshold — charge acceptance, balance cutoff at 16.8V, and low-voltage protection trip near 12.0V all behaved within spec.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-install calibration on the ZX7 platform:\u003c\/strong\u003e\n    After fitting this cell, run one full discharge to the hibernate cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears on first boot after a cell swap.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBIOS reporting battery health as poor immediately after replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe ZX7 BIOS stores charge history and health data in EEPROM tied to the old cell. When a new cell is fitted, the BIOS reads stale degradation data and flags poor health before the new cell has completed a single cycle. This is a firmware state issue, not a cell defect. Run one complete discharge-to-hibernate followed by a full uninterrupted charge — the BIOS learn cycle resets and the health status corrects itself by the second cycle.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eLaptop shuts down at 20–30% charge shown on screen\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the fuel gauge IC hasn't calibrated against the new cell's actual voltage curve yet. The OS reads a percentage based on old cell data, but the new cell hits its low-voltage floor at a different point — the system cuts out before the gauge reaches 0%. It is not a cell fault. Complete two to three full discharge-to-hibernate and full-recharge cycles to let the fuel gauge IC map the new cell accurately. After calibration, the shutdown threshold will align with the displayed percentage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43409749409882,"sku":"BWCS-CLP750NB-1","price":110.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43409749442650,"sku":"BWCS-CLP750NB-2","price":125.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43409749475418,"sku":"BWCS-CLP750NB-3","price":137.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-CLP750NB-1.webp?v=1779580646","url":"https:\/\/batteryweb.com\/products\/hasee-zx7-sp5d1-replacement-battery-148v-4400mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}