{"product_id":"sprint-lotus-lx600-replacement-battery-37v-850mah-li-ion","title":"Sprint Lotus LX600 Replacement Battery 3.7V 850mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSprint Lotus LX600 — 3.7V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 850mAh Li-ion battery replaces the original cell in the Sprint Lotus LX600 smartphone. It restores power to calling, messaging, and on-device applications when the original battery no longer holds a charge. Capacity is 3.15Wh — matched to the LX600's power draw.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLX600 compatibility:\u003c\/strong\u003e\n    The Lotus LX600 uses a fixed 3.7V single-cell Li-ion architecture. This replacement matches the original cell voltage and physical footprint — 51.85 x 37.65 x 5.13mm — so it seats correctly in the battery bay 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 LX600 platform and confirmed the BMS accepted the cell without fault codes. Charge termination and low-voltage cutoff both triggered at expected thresholds.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration after swap:\u003c\/strong\u003e\n    After installing this cell, run one full discharge down to automatic shutoff, then charge uninterrupted to 100% before use. The LX600's fuel gauge IC was calibrated to the old cell's discharge curve — skipping this step causes the OS to report inaccurate percentages from the first cycle.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the LX600 reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe LX600 uses a fuel gauge IC that tracks charge state using a coulomb counter calibrated against the original cell's discharge curve. A new cell has a different internal resistance and slightly different curve profile, so the gauge's stored reference is no longer accurate. Until the IC completes a full reference cycle — full discharge to cutoff, full charge to termination — its percentage output drifts. The fix is one complete uninterrupted cycle before relying on the percentage indicator.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on the replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens because the fuel gauge IC is still using the old cell's voltage-to-capacity map. The new cell hits a voltage cliff — where terminal voltage drops sharply under modem or screen load — at a different state of charge than the original. The phone's protection circuit interprets this voltage sag as a critical low and cuts power before the displayed percentage reaches zero. One full reference cycle resets the gauge's low-voltage threshold mapping to the new cell. After that cycle, shutdowns should align with sub-5% readings rather than 20–30%.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43405259374682,"sku":"BWCS-LVX600SL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43405259407450,"sku":"BWCS-LVX600SL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43405259440218,"sku":"BWCS-LVX600SL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-LVX600SL-1.webp?v=1779370368","url":"https:\/\/batteryweb.com\/products\/sprint-lotus-lx600-replacement-battery-37v-850mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}