{"product_id":"kyocera-echo-replacement-battery-37v-1100mah-li-ion","title":"Kyocera Echo SCP-39LBPS Compatible Battery 3.7V 1100mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eKyocera Echo \/ M9300 — 3.7V Li-ion Replacement Battery (SCP-39LBPS)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 1100mAh Li-ion cell replaces the OEM SCP-39LBPS \/ KABA-01 battery in the Kyocera Echo, M9300, and SCP-9300. The Echo is a dual-screen Android smartphone — both displays draw from this single cell, so a degraded original battery causes rapid shutdowns under load. Dimensions are 61.61 × 43.54 × 4.31mm, matching the factory battery bay.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEcho, M9300, and SCP-9300 compatibility:\u003c\/strong\u003e\n    All three models share the same battery bay dimensions, voltage rail, and connector pinout. The BMS handshake across this platform is identical, so one cell covers all three 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 full charge and discharge cycles on the Echo platform. The BMS accepted the cell without error flags, and protection circuits triggered correctly at both low-voltage cutoff and charge termination.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    After installing this cell, run one complete discharge down to automatic shutdown, then charge uninterrupted to 100% before heavy use. The Echo's fuel gauge IC was calibrated to the old cell's discharge curve — skipping this step causes inaccurate percentage readings from day one.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on the Echo's dual-display load\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe Echo draws significantly more current when both screens are active simultaneously. A degraded or poorly calibrated cell hits a voltage cliff — internal resistance rises fast enough that the battery management system cuts output before the reported percentage reaches zero. This is a voltage-sag failure, not a capacity failure. Installing a fresh cell resolves the cutoff, but the fuel gauge IC still needs one full cycle to map the new cell's discharge curve accurately.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003ePhone won't power on after sitting in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion cells self-discharge during storage. If the Echo has been unused for months, the cell voltage may have dropped below 2.5V — the point where the BMS locks out to prevent damage. The phone will show nothing when you press power or connect a charger. Connect to a wall charger and leave it for 15–20 minutes without touching the power button; the charge IC needs time to trickle current into the cell before the BMS will re-enable output. If the screen still won't respond after 30 minutes on charge, check that the battery contacts are fully seated.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43405085671514,"sku":"BWCS-KYM930SL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43405085704282,"sku":"BWCS-KYM930SL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43405085737050,"sku":"BWCS-KYM930SL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-KYM930SL-1.webp?v=1779369918","url":"https:\/\/batteryweb.com\/products\/kyocera-echo-replacement-battery-37v-1100mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}