{"product_id":"medtronic-lucas-2-replacement-battery-259v-3000mah-li-polymer","title":"Medtronic LUCAS 2 Replacement Battery 25.9V 3000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMedtronic LUCAS 2 \/ LUCAS 3 — 25.9V Li-Polymer Replacement Battery (100947-00)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 25.9V, 3000mAh lithium-polymer battery replaces OEM part numbers 100947-00 and 16201-00 in the Medtronic LUCAS 2 and LUCAS 3 automated chest compression devices. The LUCAS platform delivers mechanical CPR during cardiac arrest, and this battery is the sole power source during those events. Voltage and cell chemistry match OEM specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLUCAS 2 and LUCAS 3 compatibility:\u003c\/strong\u003e\n    Both generations share the same 25.9V battery bay, connector pinout, and BMS communication protocol. A single cell pack serves either unit without hardware modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through the LUCAS power-on self-test sequence and confirmed BMS handshake, state-of-charge reporting, and compression-cycle load draw. The BMS held cutoff thresholds consistent with OEM spec across repeated high-current pulses.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-swap self-test protocol:\u003c\/strong\u003e\n    After installing this battery, let the device complete its full power-on self-test without interruption. The LUCAS BMS runs a chemistry verification step at startup — cutting power during that sequence causes a latching 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\"\u003eWhy the LUCAS 2 reports a battery fault on a fully charged new pack\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe LUCAS BMS stores a learned capacity profile from the previous cell. When a new pack is installed, the BMS compares the incoming cell's internal resistance against that stored baseline. A fresh lithium-polymer cell has slightly elevated impedance before its first full cycle, which can push it outside the BMS acceptance window. This triggers a fault flag even though the pack is genuinely charged. One complete charge-discharge cycle lowers cell impedance into range and clears the fault permanently.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eLUCAS device will not power on after a replacement battery sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLithium-polymer cells self-discharge during storage. If the pack voltage drops below approximately 20V, the LUCAS BMS enters deep-discharge lockout and will not pass power to the device. The unit shows no response — no LED, no startup tone. Place the battery on the OEM charger and allow a minimum two-hour recovery charge before attempting to power the device. Once voltage climbs above the BMS recovery threshold, normal startup resumes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381396013146,"sku":"BWCS-MPL300MD-1","price":508.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381396045914,"sku":"BWCS-MPL300MD-2","price":608.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381396078682,"sku":"BWCS-MPL300MD-3","price":682.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MPL300MD-1.webp?v=1778900536","url":"https:\/\/batteryweb.com\/products\/medtronic-lucas-2-replacement-battery-259v-3000mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}