{"product_id":"laresar-l6-pro-replacement-battery-144v-6700mah-li-ion","title":"Laresar L6 Pro 14.4V Cordless Vacuum Replacement Battery 6700mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eLaresar L6 Pro — 14.4V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 14.4V 6700mAh (96.48Wh) lithium-ion battery for the Laresar L6 Pro cordless vacuum cleaner. It replaces the original pack when capacity has faded or the battery no longer holds a charge. Fitting it restores the vacuum's motor voltage and suction output to factory levels.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eL6 Pro motor rail compatibility:\u003c\/strong\u003e\n    The L6 Pro motor runs on a 14.4V cell arrangement with a specific connector and BMS handshake. This pack matches that voltage rail and connector format, so the vacuum's power management system recognises the battery and allows the motor to run at full draw.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge cycles and monitored BMS response under sustained motor load. The protection circuit held within spec on high-draw passes, and cell balance stayed consistent across multiple discharge cycles.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eDock charging on the L6 Pro:\u003c\/strong\u003e\n    Do not leave the L6 Pro sitting on the charging dock permanently. Continuous dock charging keeps the cells at full voltage with a trickle current — this accelerates capacity fade faster than normal cycling. Charge to full, then remove the vacuum from the dock until the next use.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCordless vacuum losing suction before the battery indicator reaches low\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eOn the L6 Pro, suction can drop noticeably while the battery indicator still shows two or three bars. This happens because a partially blocked filter forces the motor to draw higher current than rated, which causes the cell voltage to sag under load. The BMS reads that voltage sag and throttles motor output to protect the cells — even though overall charge looks fine. Clean the filter first, then check that the suction path is clear. If suction restores at full power, the filter was the cause, not the battery.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cuts out mid-clean then recovers after a few seconds\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is a BMS overcurrent trip, not a dead battery. When the suction path is restricted — blocked filter, full dustbin, or a carpet fibre caught in the brush roll — the motor works harder and current spikes above the BMS threshold. The protection circuit opens to prevent cell damage, which kills power. After a few seconds the BMS resets and power returns. Clear the blockage and empty the dustbin before restarting. If the cutout continues on a clear path, check cell voltage at the pack — a rested pack should read at or above 14.4V.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43427983458394,"sku":"BWCS-PCM720VX-1","price":62.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43427983491162,"sku":"BWCS-PCM720VX-2","price":72.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43427983523930,"sku":"BWCS-PCM720VX-3","price":80.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PCM720VX-1.webp?v=1779933755","url":"https:\/\/batteryweb.com\/products\/laresar-l6-pro-replacement-battery-144v-6700mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}