{"product_id":"medical-systems-international-corporation-msc9112-replacement-battery-12v-2300mah-sealed-lead-acid","title":"MSC9112 Medical Diagnostic Replacement Battery 12V 2300mAh SLA","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMedical Systems International Corporation MSC9112 \/ MSC711 — 12V Sealed Lead Acid Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 12V 2300mAh (27.6Wh) sealed lead acid battery fits the Medical Systems International Corporation MSC9112, MSC912, and single-channel EKG MSC711. It restores backup and operational power to medical diagnostic and monitoring instruments where the original cell has aged or failed. Voltage and capacity match OEM specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMSC9112, MSC912, and MSC711 platform fit:\u003c\/strong\u003e\n    These models share the same 12V sealed lead acid power rail, physical footprint (178 × 66.6 × 35mm), and terminal orientation. One replacement cell covers all three instruments without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran a full charge cycle and monitored BMS handshake across discharge. The cell accepted charge normally, held voltage under the steady low-current draw typical of clinical monitoring equipment, and did not trigger any fault flags during the test sequence.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-installation self-test protocol:\u003c\/strong\u003e\n    After fitting this cell, allow the device to complete its power-on self-test without interruption. The MSC9112's BMS runs a battery verification routine at startup — cutting power during that sequence registers a false battery fault that persists until the next full reboot.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eDevice not completing boot sequence after battery swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe MSC9112 runs a BMS learn cycle on first boot with a new cell. If the battery voltage has dipped below approximately 10.5V from storage self-discharge, the device's protection circuit may refuse to complete the startup sequence entirely. Before installation, connect the cell to a compatible 12V SLA charger and bring it to full charge — typically 13.5–13.8V float. Once voltage is confirmed above 12V at rest, reinstall and allow the device to run through its full boot sequence uninterrupted.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eLow battery alarm triggers immediately after confirmed full charge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens because the device's BMS compares cell behaviour against thresholds calibrated to a conditioned OEM cell. A brand-new SLA cell hasn't completed its formation cycles, so internal resistance reads slightly higher than expected — the BMS flags this as a weak battery even at full charge. Run one complete charge-discharge cycle through normal device use before clinical deployment. After that cycle, the BMS reading stabilises and the alarm clears. Do not use the device in a clinical setting until it has passed self-test on a cycled cell.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381389787226,"sku":"BWCS-SHT160MD-1","price":310.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381389819994,"sku":"BWCS-SHT160MD-2","price":370.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381389852762,"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\/medical-systems-international-corporation-msc9112-replacement-battery-12v-2300mah-sealed-lead-acid","provider":"BatteryWeb","version":"1.0","type":"link"}