{"product_id":"zte-z6200mex-replacement-battery-37v-170mah-li-polymer","title":"ZTE Z6200MEX Replacement Battery Li3702T42P3h292833 3.7V 170mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eZTE Z6200MEX \/ AT41 — 3.7V Li-Polymer Replacement Battery (Li3702T42P3h292833)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 170mAh Li-Polymer replacement battery for the ZTE Z6200MEX mobile hotspot and the AT41 \/ 2AHR8-AT41 \/ SD6200 variants. It replaces OEM part Li3702T42P3h292833 when the original cell degrades and can no longer sustain the hotspot through normal use. Voltage and physical dimensions match the original: 38.53 × 30.64 × 6.16mm.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eZ6200MEX and AT41 platform compatibility:\u003c\/strong\u003e\n    These models share the same cell format, voltage rail, and BMS handshake requirements. The SD6200 and 2AHR8-AT41 variants use the same connector orientation and protection circuit, so one cell covers the full platform.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell under combined modem and Wi-Fi radio load. The BMS held stable voltage through multiple connected clients and passed cutoff thresholds without nuisance trips during high-draw peaks.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eVentilation during extended hotspot sessions:\u003c\/strong\u003e\n    Keep the Z6200MEX flat on an open surface — not in a pocket or bag — during long sessions. When the cellular radio runs at maximum output power searching for a weak signal, the unit generates sustained heat that sits directly against this small cell.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHotspot disconnecting users mid-session on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Z6200MEX runs both a cellular modem and a Wi-Fi radio simultaneously. At maximum client connections, the combined current draw spikes well above the steady-state average the 170mAh cell is rated against. If the BMS detects voltage sag past its lower threshold during one of these spikes, it trips the output to protect the cell — dropping all connected devices instantly. Reduce the maximum connected client count in the hotspot settings, or move the unit closer to the cellular tower so the modem runs at reduced output power.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHotspot won't power on after sitting unused for several weeks\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-Polymer cells self-discharge at roughly 2–3% per month at room temperature, and the Z6200MEX draws a small standby current even when powered off. After extended storage, the cell can drop below the BMS minimum boot voltage — typically around 3.0V — and the unit appears completely dead. Connect the original ZTE charger and leave it for at least 30–45 minutes before attempting to power on; the BMS needs time to re-initialise from a deeply depleted state. If the charge indicator does not respond after one hour, check the charger output with a multimeter — it should read 5V DC.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43377828560986,"sku":"BWCS-ZAT410SL-1","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43377828593754,"sku":"BWCS-ZAT410SL-2","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43377828626522,"sku":"BWCS-ZAT410SL-3","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-ZAT410SL-1.webp?v=1778773896","url":"https:\/\/batteryweb.com\/products\/zte-z6200mex-replacement-battery-37v-170mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}