{"product_id":"vertex-standard-vxd720-replacement-battery-74v-2600mah-li-ion","title":"Vertex Standard VXD720 Replacement Battery 7.4V 2600mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eVertex Standard VXD720 — 7.4V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 7.4V 2600mAh Li-ion battery replaces the factory pack in the Vertex Standard VXD720 portable digital two-way radio. It fits the VXD720 directly and matches the original voltage rail and connector format. Capacity is rated at 2600mAh (19.24Wh) as tested under steady-state load.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVXD720 platform fit:\u003c\/strong\u003e\n    The VXD720 runs a 7.4V nominal rail with a multi-pin BMS handshake at the dock interface. This pack matches that voltage rail and contact layout, so the charger dock and radio both recognise the battery without manual override.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through simulated PTT burst loads — the BMS held stable through repeated transmit-current spikes without tripping overcurrent cutoff. Full charge acceptance was confirmed on the standard Vertex dock.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst insertion contact check:\u003c\/strong\u003e\n    If the charger dock shows a fault LED on first insertion, remove the battery, wipe the gold contact strip with a dry cloth, and reseat firmly. The Vertex platform requires a clean contact cycle to complete the BMS handshake before charging begins.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the VXD720 cuts out mid-transmission on a new battery\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eNew Li-ion cells ship at storage voltage — typically 3.6–3.7V per cell, not full charge. When the radio draws peak transmit current from a partially charged pack, the BMS can interpret the voltage sag as an undervoltage condition and interrupt output. This is not a fault with the battery. Charge the pack fully before first field use and the BMS will have enough headroom to sustain PTT current draw without cutoff.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eVXD720 bar indicator showing one fewer bar than expected on a new pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe VXD720 uses voltage-threshold bar indicators — it reads the pack's resting voltage and maps it to a bar level. A new cell at storage voltage sits below the threshold for a full bar display, so the radio correctly shows a partial reading. This is not a capacity defect. Fully charge the battery first; once resting voltage stabilises above 8.2V, the indicator will reflect the actual charge state.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43426329460826,"sku":"BWCS-MTX640TW-1","price":43.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43426329493594,"sku":"BWCS-MTX640TW-2","price":50.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43426329526362,"sku":"BWCS-MTX640TW-3","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MTX640TW-1.webp?v=1779930785","url":"https:\/\/batteryweb.com\/products\/vertex-standard-vxd720-replacement-battery-74v-2600mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}