{"product_id":"atomos-ninja-10-bit-dte-field-recorder-replacement-battery-74v-4400mah-li-ion","title":"Atomos Ninja 10-bit DTE Replacement Battery 7.4V 4400mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eATOMOS Ninja 10-bit DTE Field Recorder — 7.4V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 7.4V, 4400mAh Li-ion battery replaces the original cell in the ATOMOS Ninja 10-bit DTE field recorder. The Ninja is a portable external recorder used on professional video shoots — it captures 10-bit footage via HDMI input and runs continuously in the field. Voltage and capacity match OEM spec exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNinja recorder power rail:\u003c\/strong\u003e\n    The Ninja draws sustained current during active encode, display backlight, and HDMI signal processing simultaneously. This cell matches the voltage rail the recorder's power circuit expects, so there's no step-down waste eating into your available charge.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through full charge and discharge on the Ninja platform. The BMS accepted the cell without error flags, held a stable 7.4V nominal, and the protection circuit tripped correctly at the low-voltage cutoff threshold.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle initialisation on the Ninja:\u003c\/strong\u003e\n    Run one complete charge cycle inside the OEM charger before your first shoot. Some recorder BMS systems need a full charge-from-empty cycle to correctly map the cell's discharge curve and display an accurate remaining-charge reading.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Ninja shows a lower charge reading than expected on a fresh cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Ninja estimates remaining charge by reading voltage against a stored discharge curve calibrated to the original cell chemistry. A new replacement cell may have a slightly different discharge curve shape, so the recorder's percentage display can read conservatively until the BMS recalibrates. This doesn't mean the cell is faulty — available capacity is still present. After one or two full charge-to-discharge cycles, the reading stabilises and tracks accurately.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery percentage jumping or dropping suddenly mid-recording\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eErratic percentage jumps on the Ninja's display typically happen when the recorder's voltage-threshold map doesn't yet align with the new cell's discharge curve. The recorder samples terminal voltage under load — if the cell hasn't been through a calibration cycle, a brief current spike during encode can pull voltage down enough to trigger a lower percentage bracket. This is a display mapping issue, not a cell failure. Charge fully, then run the battery to cutoff once — the recorder will remap thresholds to the actual discharge profile of this cell.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43333921538138,"sku":"BWCS-F750-1","price":43.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43333921570906,"sku":"BWCS-F750-2","price":50.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43333921603674,"sku":"BWCS-F750-3","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-F750-1.webp?v=1778213575","url":"https:\/\/batteryweb.com\/products\/atomos-ninja-10-bit-dte-field-recorder-replacement-battery-74v-4400mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}