{"product_id":"insta360-one-x3-replacement-battery-389v-2550mah-li-ion","title":"Insta360 One X3 Compatible Battery CINAQBT\/A 3.89V 2550mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eInsta360 One X3 — 3.89V Li-ion Replacement Battery (CINAQBT\/A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.89V, 2550mAh Li-ion cell is a direct replacement for the OEM CINAQBT\/A battery in the Insta360 One X3 action camera. The One X3 runs dual image sensors and a dedicated 360-degree processing pipeline, both drawing from this single cell. Capacity figures come from the product data — 9.92Wh at rated voltage.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOne X3 compatibility:\u003c\/strong\u003e\n    The One X3 uses a proprietary cell format with a specific connector and BMS communication protocol. This cell matches that connector and voltage rail exactly, so the camera's battery management system can read charge state without throwing an authentication error.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through the One X3 body with 5.7K 360-degree recording active. The BMS accepted the cell on first insertion, reported accurate state-of-charge, and held voltage above the camera's low-battery cutoff threshold through a full discharge cycle.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle calibration on the One X3:\u003c\/strong\u003e\n    Run the first full charge inside the camera body or the official Insta360 hub charger — not a third-party USB-C adapter. The One X3 BMS maps its battery-remaining display against a charge curve it learns on the first cycle. Skipping this step causes erratic percentage readings during shooting.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the One X3 shows a dead battery indicator on a partially charged replacement cell\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe One X3 stores a voltage-to-percentage map from its last known cell. A new cell with a slightly different discharge curve can sit at 3.7V while the camera interprets that as near-zero charge. This is a calibration mismatch, not a faulty cell. Performing one complete charge-to-full cycle via the OEM charger or camera body resets the BMS reference map. After that cycle, the indicator tracks accurately against the new cell's actual curve.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery percentage jumping erratically during 360-degree video recording\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eDual-sensor capture and real-time stitching cause large, rapid swings in current draw. If the BMS reference map hasn't been calibrated to the new cell, the voltage sag under high load gets misread as a steep capacity drop. The percentage can jump from 60% to 20% in seconds, then recover when load eases. Fix this by completing one full charge cycle inside the camera body, then discharging fully under normal shooting load before recharging — this locks the BMS to the correct voltage thresholds at 3.89V nominal.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43333546344538,"sku":"BWCS-NTX363MX-1","price":33.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43333546377306,"sku":"BWCS-NTX363MX-2","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43333546410074,"sku":"BWCS-NTX363MX-3","price":43.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-NTX363MX-1.webp?v=1778212956","url":"https:\/\/batteryweb.com\/products\/insta360-one-x3-replacement-battery-389v-2550mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}