{"product_id":"cardioline-ecg-delta-1-replacement-battery-24v-2000mah-ni-mh","title":"Cardioline ECG Delta 1 24V 2000mAh Replacement Battery 120222","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eCardioline ECG Delta 1 Series — 24V Ni-MH Replacement Battery (120222)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 24V 2000mAh Ni-MH battery replaces part number 120222 in the Cardioline ECG Delta 1, Delta 1+, Delta 3+, and related portable electrocardiograph units. It is a direct cell replacement for clinical environments where the original pack has degraded or failed capacity. Voltage and chemistry match the OEM specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eECG Delta series compatibility:\u003c\/strong\u003e\n    The Delta 1, Delta 1+, and Delta 3+ share the same 24V battery architecture and connector format. Each unit runs the same BMS handshake on startup, so the same pack works across the series without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through charge and discharge on the Delta 1 platform. The BMS accepted the new cell, completed its verification pass, and reported correct state-of-charge on the device display after the first full cycle.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-swap self-test cycle:\u003c\/strong\u003e\n    After fitting this battery, allow the ECG unit to complete its full power-on self-test without cutting power. The Delta series BMS runs a chemistry verification at boot — interrupting it locks in a false battery fault that persists until the next complete reboot.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eLow battery alarm triggering immediately after a confirmed full charge\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe Delta 1 BMS uses a voltage threshold calibrated to an aged OEM cell profile. A new Ni-MH cell presents a slightly different internal resistance signature during the first few cycles, which the BMS can misread as a low-state pack. This triggers the low battery alarm even when the cell is fully charged. Run one complete charge-discharge cycle before clinical use — after that cycle the BMS recalibrates its threshold to the new cell and the alarm clears.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eDevice will not power on after the replacement battery sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells self-discharge during storage. If the pack voltage drops below approximately 18V, the Delta 1 BMS enters a lockout state and refuses to power the unit to protect the cell. Placing a deeply discharged pack in the device and pressing power produces nothing — no boot, no alarm. Connect the charger first and leave it for a minimum of two hours before attempting to power on; the BMS recovery routine requires sustained trickle current to exit lockout and resume normal operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381454241882,"sku":"BWCS-CAR114MD-1","price":63.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381454274650,"sku":"BWCS-CAR114MD-2","price":74.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381454307418,"sku":"BWCS-CAR114MD-3","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-CAR114MD-1.webp?v=1778900876","url":"https:\/\/batteryweb.com\/products\/cardioline-ecg-delta-1-replacement-battery-24v-2000mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}