{"product_id":"samsung-galaxy-j1-ace-ve-duos-replacement-battery-38v-1800mah-li-ion","title":"Samsung Galaxy J1 Ace VE Duos Replacement Battery EB-BJ111ABE 3.8V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSamsung Galaxy J1 Ace VE Duos — 3.8V Li-ion Replacement Battery (EB-BJ111ABE)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.8V, 1800mAh Li-ion cell replacing the original battery in the Samsung Galaxy J1 Ace VE Duos and J1 Ace VE Duos LTE. It fits SM-J111M\/DS, SM-J111F\/DS, and related variants that share the same physical footprint and connector. Swap it in when your original cell no longer holds a charge or the phone shuts down unexpectedly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eJ1 Ace VE Duos series fit:\u003c\/strong\u003e\n    The SM-J111 variants share a common battery bay geometry and a single-cell 3.8V supply rail with no BMS handshake protocol — meaning the phone draws directly from the cell without proprietary authentication. Any cell matching voltage, physical dimensions, and connector orientation will be recognised by the charge IC.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran charge-discharge cycles on SM-J111 hardware and confirmed the charge IC accepts the cell at 4.2V cutoff, the BMS does not trip on normal screen-on loads, and the cell holds within spec across multiple cycles.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    After fitting this cell, disable fast charging and run one full discharge to below 10%, then charge uninterrupted to 100%. This lets the fuel gauge IC map the new cell's discharge curve before high-current charging begins on an uncalibrated state-of-charge register.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Galaxy J1 Ace VE reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe phone uses a coulomb-counter-based fuel gauge IC that builds its state-of-charge model from the original cell's discharge curve. When you install a new cell, the IC still references the old curve — so it can show 40% when the actual cell voltage is already near the low-voltage cutoff. The gauge corrects itself after one or two full discharge-charge cycles. Until then, percentage readings will drift, especially at the top and bottom 15% of the range.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on the replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens because the modem radio and display draw a combined current spike that the cell cannot sustain at that state of charge — the cell voltage drops below the 3.4V cutoff threshold faster than the fuel gauge predicts. It is a calibration gap, not a defective cell. Run two full discharge-charge cycles without interruption and the fuel gauge IC will recalculate the voltage-to-capacity mapping. After calibration, the phone should not cut off until cell voltage drops below 3.4V under load.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43404129828954,"sku":"BWCS-SMJ110SL-1","price":24.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43404129861722,"sku":"BWCS-SMJ110SL-2","price":27.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43404129894490,"sku":"BWCS-SMJ110SL-3","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-SMJ110SL-1.webp?v=1779369060","url":"https:\/\/batteryweb.com\/products\/samsung-galaxy-j1-ace-ve-duos-replacement-battery-38v-1800mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}