{"product_id":"asus-transformer-pad-3g-replacement-battery-38v-5000mah-li-polymer","title":"Asus Transformer Pad 3G Replacement Battery C11P1328 3.8V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eAsus Transformer Pad TF103CG — 3.8V Li-Polymer Replacement Battery (C11P1328)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.8V, 5000mAh Li-Polymer replacement battery for the Asus Transformer Pad 3G series, including the TF103CG and TF0310CG. It replaces OEM part numbers C11P1328, C11Pq2H, and 0B200-00980000M. Fits the tablet unit — not the keyboard dock.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTF103CG and TF0310CG compatibility:\u003c\/strong\u003e\n    Both models run the same 3.8V power rail, use the same connector pinout, and share the same BMS handshake protocol — one cell covers the full range without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge and discharge cycles on a TF103CG unit. The BMS accepted the charge handshake on first connection, balanced correctly across the protection circuit, and held voltage within spec at full load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration after swap:\u003c\/strong\u003e\n    After fitting this battery, run the tablet down to automatic shutoff — do not force-restart — then charge uninterrupted to 100%. This gives the fuel gauge IC a full reference cycle against the new cell and eliminates the inaccurate percentage reading that commonly appears after a swap.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Transformer Pad shuts down at 15–25% remaining\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe TF103CG drives its display, WiFi radio, and CPU from a single power path. Under combined load, voltage sags faster than the fuel gauge IC expects based on calibration data from the old, degraded cell. The BMS interprets this sag as a low-voltage cutoff condition and triggers shutdown — even though capacity remains. One full discharge-to-shutoff cycle followed by an uninterrupted charge resets the reference curve. After that cycle, shutdowns at 15–25% stop.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eFast charging not available after battery replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Transformer Pad's charge IC negotiates charging rate during the first accepted charge cycle. Until that handshake completes successfully, the system defaults to slow charge as a protective fallback. This is not a fault with the replacement cell. Use the original Asus charger, connect at a low state of charge, and let the first cycle complete fully without interruption. Fast charge availability is typically restored from the second cycle onward.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43425941717082,"sku":"BWCS-AUF031SL-1","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43425941749850,"sku":"BWCS-AUF031SL-2","price":42.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43425941782618,"sku":"BWCS-AUF031SL-3","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-AUF031SL-1.webp?v=1779930008","url":"https:\/\/batteryweb.com\/products\/asus-transformer-pad-3g-replacement-battery-38v-5000mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}