{"product_id":"nortel-nttq5010-replacement-battery-36v-1100mah-ni-mh","title":"Nortel NTTQ5010 Replacement Battery 3.6V 1100mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eNortel NTTQ5010 \/ WLAN 2211 — 3.6V Ni-MH Replacement Battery (SK37H1-D)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.6V, 1100mAh Ni-MH battery for the Nortel NTTQ5010, NTTQ5050, WLAN 2211, and 2211 cordless handsets. It replaces OEM part numbers SK37H1-D and HBPX100-M. When the original pack stops holding charge, this swap restores the handset to full operation on the same base station.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNTTQ5010, NTTQ5050, and WLAN 2211 compatibility:\u003c\/strong\u003e\n    All four models share the same 3.6V three-cell NiMH pack format, identical connector pinout, and the same base station charging circuit. One battery part number covers the entire group.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through the NTTQ5010 charging circuit and confirmed the base station accepted charge without flagging an error. The NiMH cells responded normally to the trickle-charge termination signal from the base.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-charge protocol for NiMH handsets:\u003c\/strong\u003e\n    After installing, seat the handset in the base and leave it for a full 16 hours before first use. NiMH cells ship partially discharged. A slow initial charge lets each cell reach balanced capacity — skipping this step will leave you with noticeably shorter talk sessions for the first several cycles.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBase station showing no-charge light on a fresh NiMH pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNiMH batteries lose voltage during storage. If the pack sits long enough, its resting voltage can drop below the threshold the NTTQ base station needs to recognise a valid battery and begin charging. The base interprets this as a fault rather than a discharged cell. Placing the handset in the base for 30 minutes and then removing and reseating it often clears the stall — the brief contact lets the circuit sample voltage again. If the light stays off, check that the handset contacts are clean and making firm contact with the base cradle pins.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eRange drops mid-call after fitting a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eDECT handsets draw a surge of current each time the RF module transmits. If the NiMH cells have not been through at least three full charge-discharge cycles, internal resistance is still elevated and voltage sags under that transmit load. The handset's RF output drops as a result, and range shrinks noticeably compared to a conditioned pack. Run three full cycles — full charge in base, talk until the low-battery warning sounds, then return to base — and check whether range recovers. A conditioned pack at full charge should measure 4.2–4.3V across the terminals before installation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43339998953562,"sku":"BWCS-BPX100CL-1","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43339998986330,"sku":"BWCS-BPX100CL-2","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43339999019098,"sku":"BWCS-BPX100CL-3","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-BPX100CL-1.webp?v=1778367024","url":"https:\/\/batteryweb.com\/products\/nortel-nttq5010-replacement-battery-36v-1100mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}