{"product_id":"marquette-dash-2500-replacement-battery-84v-8000mah-ni-mh","title":"Marquette Dash 2500 Replacement Battery 8.4V 8000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMarquette Dash 2500 — 8.4V Ni-MH 8000mAh Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is an 8.4V Ni-MH battery rated at 8000mAh (67.2Wh), built as a direct replacement for the Marquette Dash 2500 portable patient monitor. The Dash 2500 is a clinical-grade vital signs monitor used for ECG, SpO2, heart rate, and non-invasive blood pressure monitoring during patient transport and bedside assessments. This battery keeps the unit running on battery power when AC is unavailable.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDash 2500 platform fit:\u003c\/strong\u003e\n    The Dash 2500 uses an 8.4V Ni-MH cell stack with a specific connector and BMS handshake. This replacement matches that voltage rail and connector configuration so the device recognises the pack and proceeds through its startup sequence normally.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through a full charge cycle and verified the BMS accepted the cell chemistry without throwing a fault code. The charge IC reached cutoff correctly, and the self-test cleared on the first full cycle after conditioning.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-swap startup protocol:\u003c\/strong\u003e\n    After installing this battery, let the Dash 2500 complete its full power-on self-test without interruption. The device runs a BMS verification sequence at boot — cutting power mid-sequence causes a false battery fault flag 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\"\u003eWhy the Dash 2500 alarms low battery immediately after a confirmed full charge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Dash 2500's BMS stores a charge threshold calibrated to the OEM cell's internal resistance profile. A new replacement cell has a slightly different resistance signature until it completes one full charge-discharge cycle. During that first cycle, the BMS may read the state-of-charge conservatively and trigger a low-battery alarm even though the pack is fully charged. Run one complete charge-discharge cycle before clinical use — after that, the BMS recalibrates and the alarm clears.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eDash 2500 will not power on after the battery sat unused in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells self-discharge at roughly 1–2% per day without load. A pack stored for several months can drop below the BMS recovery threshold — typically around 6.0V for an 8.4V Ni-MH stack — and the monitor will refuse to boot. Connect the battery to the charger and leave it for a full charge cycle before attempting power-on. If the charge indicator does not respond within 30 minutes, the pack voltage may have dropped below the charger's activation floor and will need a recovery charge at a low-rate input to bring it back above the 6.0V floor.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381503164506,"sku":"BWCS-GME250MD-1","price":99.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381503197274,"sku":"BWCS-GME250MD-2","price":116.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381503230042,"sku":"BWCS-GME250MD-3","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-GME250MD-1.webp?v=1778901306","url":"https:\/\/batteryweb.com\/products\/marquette-dash-2500-replacement-battery-84v-8000mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}