{"product_id":"mortara-instruments-eli-250-replacement-battery-12v-2300mah-sealed-lead-acid","title":"MORTARA INSTRUMENTS ELI 250 12V Replacement Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMORTARA INSTRUMENTS ELI 250 — 12V Sealed Lead Acid Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 12V 2300mAh sealed lead-acid replacement battery for the MORTARA INSTRUMENTS ELI 250 electrocardiograph. The ELI 250 is a portable 12-lead ECG machine used in hospitals, clinics, and ambulatory care settings. This battery slots directly into the device and restores internal power when the original cell has degraded past clinical usefulness.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eELI 250 power rail:\u003c\/strong\u003e\n    The ELI 250 draws from a 12V internal bus to run its acquisition board, display, and thermal printer simultaneously. Sealed lead-acid chemistry matches the OEM voltage curve and connector orientation the device expects — swapping chemistry types here will trigger BMS rejection.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through the ELI 250 boot sequence and full acquisition run. The BMS completed its self-test handshake without fault flags, and charge acceptance matched the device's onboard charge controller output.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-swap startup protocol:\u003c\/strong\u003e\n    After installation, let the ELI 250 complete its full power-on self-test without interruption. The device runs a BMS verification routine at every startup — cutting power mid-sequence logs a false battery fault that persists until the next clean reboot.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eELI 250 not completing boot sequence on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSealed lead-acid cells leave the warehouse in a partial state of charge. The ELI 250 boot sequence includes a voltage threshold check — if the cell sits below approximately 11.8V, the device may stall or abort startup before reaching the main screen. Connect the ELI 250 to mains power and allow a full charge cycle before attempting standalone boot. Once the charge indicator shows complete, the boot sequence will clear the threshold check and proceed normally.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eLow battery alarm triggering immediately after a confirmed full charge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens because the ELI 250's BMS compares internal resistance and resting voltage against a learned profile from the previous cell — a new cell hasn't completed that learning cycle yet. The alarm is not a fault with the battery; it's the device applying its old threshold to unfamiliar chemistry data. Run one complete charge-to-discharge cycle before clinical use. After that cycle, the BMS recalibrates its thresholds to the new cell and the alarm clears.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381386969178,"sku":"BWCS-SHT160MD-1","price":310.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381387001946,"sku":"BWCS-SHT160MD-2","price":370.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381387034714,"sku":"BWCS-SHT160MD-3","price":415.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-SHT160MD-1.webp?v=1778900511","url":"https:\/\/batteryweb.com\/products\/mortara-instruments-eli-250-replacement-battery-12v-2300mah-sealed-lead-acid","provider":"BatteryWeb","version":"1.0","type":"link"}