{"product_id":"dogtra-transmitter-2300ncp-replacement-battery-74v-500mah-li-polymer","title":"Dogtra BP74T2 Transmitter 2300NCP Replacement Battery 7.4V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eDogtra Transmitter 2300NCP \/ 2302NCP — 7.4V Li-Polymer Replacement Battery (BP74T2)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 7.4V 500mAh Li-Polymer battery replaces the original BP74T2 in the Dogtra Transmitter 2300NCP and 2302NCP handheld remote units. These are the handheld transmitters used in Dogtra's electronic dog training systems — not collar units. The battery powers the transmitter's signal output, display, and button inputs during active training sessions.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTransmitter 2300NCP and 2302NCP series:\u003c\/strong\u003e\n    Both models share the same 7.4V Li-Polymer cell form factor, connector pinout, and BMS communication protocol. The 2302NCP Advance variant also uses this same cell — Dogtra kept the power architecture consistent across the series, so one part number covers all three.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this battery through full charge and discharge on the transmitter and monitored BMS handshake. The protection circuit tripped correctly at low-voltage threshold and resumed normal operation after a full recharge — no false cutoffs at mid-charge states.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eTransmitter storage tip:\u003c\/strong\u003e\n    If the transmitter sits unused for several weeks, the Li-Polymer cell can drop below the BMS re-activation threshold. Store the unit with the battery at roughly 50–60% charge, not fully depleted — a fully discharged Li-Polymer pack left idle can lock out the BMS entirely.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the 2300NCP transmitter shows a full charge but loses signal range quickly\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eLi-Polymer cells in handheld transmitters degrade unevenly — the state-of-charge indicator reads voltage, not actual capacity. An aged or deeply discharged cell can sit at 8.3V (nominal \"full\") while only delivering a fraction of its rated 500mAh. Signal range degrades because the transmitter's RF output stage draws current spikes the weakened cell can't sustain. Replacing the cell with a fresh BP74T2 restores the current delivery the RF circuit needs to hold rated transmission distance.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTransmitter powers on but display dims or resets mid-session\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA mid-session display reset usually means the battery is sagging below the transmitter's minimum operating voltage under load — typically around 6.8V. The transmitter's processor brownouts and restarts before the BMS formally cuts off. This happens most often with batteries that have accumulated shallow-cycle degradation from being topped up repeatedly without full discharge. Charge the new battery to a full 8.4V before the first training session and avoid interrupting the charge cycle early.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360176930906,"sku":"BWCS-SDT74SL-1","price":24.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360176963674,"sku":"BWCS-SDT74SL-2","price":27.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360176996442,"sku":"BWCS-SDT74SL-3","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-SDT74SL-1.webp?v=1778610961","url":"https:\/\/batteryweb.com\/products\/dogtra-transmitter-2300ncp-replacement-battery-74v-500mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}