{"product_id":"samsung-yh-j70-replacement-battery-37v-900mah-li-ion","title":"Samsung YH-J70 Replacement Battery 3.7V 900mAh PPSB0510A","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSamsung YH-J70 Series — 3.7V Li-ion Replacement Battery (PPSB0510A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V 900mAh Li-ion replacement battery for the Samsung YH-J70 portable digital media player. It fits the YH-J70, YH-J70JLB, YH-J70JLW, and YH-J70LW. OEM part numbers covered include PPSB0510A, PPSB0503, and 4302-001186.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eYH-J70 variant coverage:\u003c\/strong\u003e\n    The JLB, JLW, and LW variants share the same battery bay geometry, connector pinout, and 3.7V power rail. One cell fits all four models without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through charge and discharge on the YH-J70 platform. The BMS handshake completed correctly, the device recognised the cell at first boot, and charge termination triggered cleanly at full capacity.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge after storage:\u003c\/strong\u003e\n    If the player has been sitting unused for months, connect it to the charger and leave it for at least 30 minutes before attempting to power on. The YH-J70 enters a deep-discharge protection state that requires slow trickle current to lift the cell voltage above the wake threshold before normal charging begins.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery percentage jumping after cell swap on the YH-J70\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eAfter fitting a new cell, the on-screen battery indicator often reads 100% immediately, then drops sharply within minutes, or bounces between levels. The YH-J70 uses a voltage-threshold method to estimate charge state — it maps resting cell voltage to percentage brackets rather than tracking current flow. A fresh cell that hasn't been through a full charge-discharge cycle doesn't yet sit at the voltage points the firmware expects at each bracket. Run two full charge and discharge cycles and the indicator will stabilise to within a few percentage points of actual charge state.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003ePlayback cutting out before the battery indicator shows empty\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens at the low end of the discharge curve, typically when cell voltage drops below 3.4V under audio amplifier load. The amplifier draws a short current spike during playback that causes a brief voltage sag — enough to trip the BMS undervoltage cutoff even though the indicator still shows a charge remaining. The fix is a full charge cycle on the new cell so the BMS learns the actual low-voltage floor. If cutouts persist, check that the battery connector is seated flat — a partial connection increases resistance and worsens voltage sag under load.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43381336440922,"sku":"BWCS-SYJ70SL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43381336473690,"sku":"BWCS-SYJ70SL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43381336506458,"sku":"BWCS-SYJ70SL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-SYJ70SL_1.webp?v=1778900030","url":"https:\/\/batteryweb.com\/products\/samsung-yh-j70-replacement-battery-37v-900mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}