{"product_id":"drager-oxylog-2000-replacement-battery-72v-2000mah-ni-mh","title":"Drager Oxylog 2000 Replacement Battery 7.2V 2000mAh 8411599","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eDrager Oxylog 2000 \/ Microvent — 7.2V Ni-MH Replacement Battery (8411599)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 7.2V 2000mAh Ni-MH replacement battery for the Drager Oxylog 2000 and Microvent portable ventilators. It fits both the standard Oxylog 2000 and Oxylog 2000 Ventilator configurations. Capacity is 14.4Wh, matching the OEM specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOxylog 2000 and Microvent compatibility:\u003c\/strong\u003e\n    Both units share the same 7.2V battery rail, connector pinout, and BMS handshake protocol — one cell pack covers both platforms without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge and discharge cycles on Oxylog 2000 hardware. The BMS accepted the pack on first insertion, completed its verification sequence, and held voltage within the device's operating threshold under ventilator load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-installation self-test protocol:\u003c\/strong\u003e\n    After fitting this battery, allow the Oxylog 2000 to complete its full power-on self-test cycle without interruption. The device BMS runs a chemistry verification at startup — cutting power during this sequence triggers 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\"\u003eWhy the Oxylog 2000 alarms low battery immediately after a confirmed full charge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Oxylog 2000 BMS was calibrated against the impedance and charge acceptance curve of OEM Ni-MH cells. A new replacement cell has a slightly different internal resistance profile before it has been cycled. The BMS reads this as a marginal state-of-charge and triggers the low battery alarm even when the pack is fully charged. Running one complete charge-discharge-recharge cycle lets the BMS recalibrate against the actual cell characteristics and clears the alarm on subsequent use.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eDevice not powering on after the replacement battery sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells self-discharge at roughly 1–2% per day at room temperature. A pack stored for several months can drop below the Oxylog 2000 BMS recovery threshold — typically around 5.5V for a 7.2V pack — which causes the device to refuse to start rather than risk operating on an unstable supply. Connect the pack to the Oxylog 2000 charger and allow a full charge cycle to complete before attempting to power on the device. If the charger does not initiate, check that the terminal voltage is above 4.5V with a multimeter; below that level, a conditioning charge on a compatible Ni-MH charger is needed first.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381489172570,"sku":"BWCS-DRX200MD-1","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381489205338,"sku":"BWCS-DRX200MD-2","price":46.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381489238106,"sku":"BWCS-DRX200MD-3","price":51.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-DRX200MD-1.webp?v=1778901248","url":"https:\/\/batteryweb.com\/products\/drager-oxylog-2000-replacement-battery-72v-2000mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}