{"product_id":"motorola-xtr446-replacement-battery-48v-700mah-ni-mh","title":"Motorola IXNN4002A XTR446 Replacement Battery 4.8V 700mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMotorola XTR446 \/ TLKR Series — 4.8V Ni-MH Replacement Battery (IXNN4002A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 4.8V, 700mAh Ni-MH replacement battery for the Motorola XTR446, TLKR-T5, TLKR-T6, TLKR-T3, and compatible models. It replaces OEM part numbers IXNN4002A and IXNN4002B. The battery slots directly into the same battery compartment and connects to the same contact points as the original pack.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eXTR446 and TLKR platform fit:\u003c\/strong\u003e\n    These models share the same 4.8V four-cell Ni-MH configuration, identical connector footprint, and the same BMS handshake threshold on the charger dock. One pack covers the entire range.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through full charge and discharge on the XTR446 platform. The BMS accepted the handshake on first insertion and held voltage through sustained PTT cycles without tripping overcurrent cutoff.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle contact check on the TLKR dock:\u003c\/strong\u003e\n    The TLKR charging dock uses spring-loaded pins that can misread a new pack as a fault if any oxidation is present on the contact strip. Before first charge, wipe the gold contacts on the battery with a dry cloth and reseat firmly — the dock needs a clean contact cycle to register the new pack and begin charging.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the XTR446 cuts out mid-transmission on a new battery\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eNi-MH cells ship at storage voltage — typically 1.0–1.1V per cell, which puts a four-cell pack around 4.2–4.4V. When PTT is pressed, transmit current spikes sharply. If the pack hasn't been through a full charge cycle first, that low resting voltage can drop below the BMS cutoff threshold under the transmit load, causing the radio to cut out. This isn't a fault with the battery. Run a full charge before first use in a transmit-active environment and the cutout behaviour stops.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBar indicator showing one fewer bar than expected after swapping to this pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe XTR446 and TLKR series read battery level using simple voltage-threshold steps — each bar corresponds to a voltage band, not a precise capacity measurement. A new Ni-MH pack at storage voltage sits in the lower threshold band, so the indicator shows one or two bars even though the pack is not depleted. Charge the battery fully first. After a complete charge cycle, resting voltage rises to 5.6–5.8V and the indicator moves to the correct bar level.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43426370551898,"sku":"BWCS-GXT200TW-1","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43426370584666,"sku":"BWCS-GXT200TW-2","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43426370617434,"sku":"BWCS-GXT200TW-3","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-GXT200TW-1.webp?v=1779931069","url":"https:\/\/batteryweb.com\/products\/motorola-xtr446-replacement-battery-48v-700mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}