{"product_id":"hp-m3516a-replacement-battery-12v-2000mah-ni-mh","title":"HP M3516A Patient Monitor Replacement Battery 12V 2000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eHP M3516A — 12V Ni-MH Replacement Battery (10TH-1800A-W1)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 12V, 2000mAh Ni-MH replacement battery for the HP M3516A patient monitor. It replaces OEM part 10TH-1800A-W1 when the original cell degrades or fails entirely. Capacity is rated at 24Wh, matching the original power spec for the M3516A platform.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eM3516A platform fit:\u003c\/strong\u003e\n    The M3516A uses a 12V Ni-MH chemistry with a specific BMS handshake that rejects lithium substitutes. This cell matches the voltage rail, connector pinout, and chemistry flag the monitor's charge controller expects.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through the M3516A's charge controller and confirmed the BMS accepted the pack without fault codes. The self-test completed cleanly and the charge indicator tracked correctly from first insertion.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-swap power-on sequence:\u003c\/strong\u003e\n    After installing this battery, let the M3516A complete its full power-on self-test without interruption. The device runs a BMS verification routine at startup — cutting power during this window 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\"\u003eWhy the M3516A alarms low battery on a freshly charged replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe M3516A's BMS stores a charge profile from the previous cell. A new Ni-MH pack hasn't yet established a matching discharge curve, so the monitor reads the unfamiliar profile as a low-charge condition even when the cell is fully charged. This is not a fault with the battery — it's the BMS comparing against a learned baseline it hasn't built yet. Run one complete charge-discharge cycle on the M3516A before trusting the battery indicator. After that cycle, the BMS recalibrates and the alarm clears.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eM3516A won't power on after the replacement cell sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells self-discharge during storage, and if the pack voltage drops below the M3516A's BMS recovery threshold — typically around 10.5V for a 12V Ni-MH pack — the monitor refuses to boot rather than risk operating on an undervoltage rail. Connect the device to mains power and leave it on charge for a minimum of 16 hours before attempting to power on from battery alone. If the charge indicator doesn't move within the first two hours, disconnect and reconnect the battery to trigger a fresh charge cycle initiation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381511454810,"sku":"BWCS-KZC302MD-1","price":48.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381511487578,"sku":"BWCS-KZC302MD-2","price":56.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381511520346,"sku":"BWCS-KZC302MD-3","price":62.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-KZC302MD-1.webp?v=1778901340","url":"https:\/\/batteryweb.com\/products\/hp-m3516a-replacement-battery-12v-2000mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}