{"product_id":"mettlertoledo-autorep-e-replacement-battery-48v-750mah-ni-mh","title":"MettlerToledo AutoRep E Replacement Battery 4.8V 750mAh AR-BA","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMettlerToledo AutoRep E — 4.8V Ni-MH Replacement Battery (AR-BA)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 4.8V, 750mAh Ni-MH replacement battery for the MettlerToledo AutoRep E automated repetitive pipette. Part number AR-BA. It powers the motorized dispensing mechanism that drives accurate, repetitive liquid delivery in clinical and analytical lab settings.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutoRep E platform fit:\u003c\/strong\u003e\n    The AutoRep E uses a fixed 4.8V Ni-MH cell configuration with a specific connector keyed to the AR-BA form factor. The BMS on this device negotiates charge termination based on cell chemistry signature — swapping to a different chemistry or voltage triggers a persistent fault flag.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through the AutoRep E charge circuit and confirmed the BMS accepted charge termination at the correct delta-V peak. Capacity held within spec across the first three full cycles with no thermal events.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-swap self-test protocol:\u003c\/strong\u003e\n    After installing this battery, allow the AutoRep E to complete its full power-on self-test sequence without interruption. The device runs a BMS verification pass at startup — breaking power mid-sequence writes a false battery fault to memory 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 AutoRep E reports low battery immediately after a confirmed full charge\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe AutoRep E BMS compares cell response against a stored chemistry profile calibrated to the original OEM cell. A fresh replacement cell has not yet established its internal resistance baseline, so the BMS reads the voltage curve as below threshold and triggers the low-battery flag. This is not a fault with the replacement — it resolves after one complete charge-discharge cycle. Run a full charge, discharge through normal pipetting operation, then recharge before using the device in a clinical workflow.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eAutoRep E will not power on after the battery sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells self-discharge in storage, and if the installed battery drops below approximately 4.0V total pack voltage, the AutoRep E BMS locks out the power-on sequence as a protective measure. The device will not respond to the power button. Connect the charger and leave the unit on charge for a minimum of 30 minutes before attempting to power on — this brings the pack above the BMS recovery threshold and allows the startup sequence to proceed normally.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381498544218,"sku":"BWCS-BTH025MD-1","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381498576986,"sku":"BWCS-BTH025MD-2","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381498609754,"sku":"BWCS-BTH025MD-3","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-BTH025MD_1.webp?v=1778901248","url":"https:\/\/batteryweb.com\/products\/mettlertoledo-autorep-e-replacement-battery-48v-750mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}