{"product_id":"zebra-mc33-replacement-battery-37v-5200mah-li-ion","title":"Zebra MC33 Replacement Battery 3.7V 5200mAh BT-000337","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eZebra MC33 \/ MC330 Series — 3.7V Li-ion Replacement Battery (BT-000337 \/ BTRY-MC33-27MA-01)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 5200mAh lithium-ion battery replaces the OEM pack in the Zebra MC33, MC330, MC330K, and MC330M handheld mobile computers. These units run in retail, warehouse, and logistics environments where long shifts demand consistent power. The pack fits the same battery bay and connector as the original Zebra BT-000337, BT-000338, and BTRY-MC33-27MA-01.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMC33 and MC330 series fit:\u003c\/strong\u003e\n    The MC33, MC330, MC330K, and MC330M share the same battery form factor, connector pinout, and BMS handshake protocol — one pack covers the full platform without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through rapid scan burst sequences and simultaneous wireless polling loads. The BMS held stable voltage through repeated trigger inrush events and did not trip on cold-start draws.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-shift preparation for pick-and-pack:\u003c\/strong\u003e\n    After installing this pack, seat the scanner in its cradle and run a full charge cycle before the shift starts. Scan trigger inrush current peaks when the cell is near minimum — starting with a full charge prevents false BMS trips during the first hours of active picking.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCradle charging error on a new MC33 battery pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe MC33 four-slot cradle reads pack identity through the battery contacts before it begins charging. If those contacts carry oxidation or warehouse dust, the cradle logs a charging fault and stops the charge cycle entirely. This is not a battery defect — it is a contact resistance issue at the dock interface. Wipe the gold contacts on the pack and inside the cradle slot with a dry lint-free cloth, reseat the scanner firmly, and confirm the amber charge indicator lights within 10 seconds.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eScanner losing wireless connection during rapid scan bursts\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eDuring a fast scan burst, the MC33 draws current simultaneously from the imager and the 802.11 radio. If the cell voltage sags below the radio's minimum operating threshold — typically around 3.2V under combined load — the wireless module drops its association before the battery protection circuit trips. The result looks like a Wi-Fi drop, but the real cause is voltage sag from stacked inrush. A fully charged pack with low internal resistance holds voltage through the combined draw; if the issue persists on a charged pack, check that the cell has been through at least two full charge-discharge cycles to stabilise internal resistance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43324655042650,"sku":"BWCS-ZBC330BX-1","price":92.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43324655075418,"sku":"BWCS-ZBC330BX-2","price":109.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43324655108186,"sku":"BWCS-ZBC330BX-3","price":122.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-ZBC330BX-1.webp?v=1778121713","url":"https:\/\/batteryweb.com\/products\/zebra-mc33-replacement-battery-37v-5200mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}