{"product_id":"brondi-amico-chic-replacement-battery-37v-1300mah-li-ion","title":"Brondi Amico Chic Compatible Battery 3.7V 1300mAh ZTBL-4D-01","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eBrondi Amico Chic Series — 3.7V Li-ion Replacement Battery (ZTBL-4D-01)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V Li-ion battery rated at 1300mAh (4.81Wh), built to the same cell specification as the original ZTBL-4D-01. It fits the Brondi Amico Chic, Amico Ci Sento, Amico Sicuro, and W6. If the original cell no longer holds charge or powers the phone through a normal day, this is the direct cell swap.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAmico Chic, Amico Ci Sento, Amico Sicuro, W6 compatibility:\u003c\/strong\u003e\n    These models share the same 3.7V nominal rail, connector footprint, and BMS handshake protocol — which is why a single cell covers the full range. The 60.00 x 43.80 x 4.50mm form factor drops straight into the battery bay on all four devices.\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 Amico Chic platform. The BMS accepted the charge IC handshake without fault codes, and the fuel gauge IC tracked state-of-charge within normal tolerance across the full discharge curve.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle calibration tip:\u003c\/strong\u003e\n    On first use after installation, disable fast charging for one complete discharge-charge cycle. This lets the fuel gauge IC recalibrate against the new cell's discharge curve before any high-current charging pushes current into an uncalibrated cell.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Amico Chic reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe fuel gauge IC on the Amico Chic learns the cell's discharge curve over time. When you swap in a new cell, the IC is still running the learned model from the old, degraded battery. The mismatch causes the reported percentage to diverge from actual cell voltage — sometimes by 15–20%. One full discharge down to automatic cutoff, followed by an uninterrupted charge to 100%, resets the coulomb counter and re-anchors the gauge to the new cell's curve.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% charge remaining on the replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is a voltage cliff failure, not a capacity problem. Under modem or screen load, the cell voltage drops sharply below the BMS cutoff threshold — even when the gauge still shows 20–30% remaining. It happens most often on cells that have been sitting in storage and arrive with a partially depleted state of charge. Charge the replacement cell fully before first use, then run one complete discharge cycle. If the shutdowns persist, check that the charging IC is delivering a full 4.2V terminal voltage at end of charge.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43404278267994,"sku":"BWCS-DEP571SL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43404278300762,"sku":"BWCS-DEP571SL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43404278333530,"sku":"BWCS-DEP571SL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-DEP571SL-1.webp?v=1779369550","url":"https:\/\/batteryweb.com\/products\/brondi-amico-chic-replacement-battery-37v-1300mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}