{"product_id":"earthwise-40v-lithium-ion-replacement-battery-bl84040-4-0-ah-high-capacity-pack-for-40v-tools","title":"Earthwise 40V Lithium-Ion Replacement Battery BL84040 — 4.0 Ah High-Capacity Pack for 40V Tools","description":"\u003cp\u003e\u003cstrong\u003eEarthwise BL84040 is a 40-Volt, 4.0 Ah lithium-ion replacement battery built to restore run-time and consistent power to compatible Earthwise 40V tools.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis high-capacity replacement battery is designed for homeowners who need dependable energy without rethinking their tool lineup. It fits a range of Earthwise 40V machines — including select snow throwers — and provides a balance of run-time and weight so yard work, trimming, and snow clearing finish more predictably. The battery is sold as the pack only; a charger is required and sold separately.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Earthwise tools will this battery work with?\u003c\/h3\u003e\n\u003cp\u003eThe BL84040 is engineered to mate with several Earthwise 40V models. Compatibility covers both handheld and wheeled equipment that use the same voltage and physical pack design, letting you swap batteries across tools for flexible power management.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: SN74016, SN74018, SN74022, and TC70040EW\u003c\/li\u003e\n  \u003cli\u003eWorks with Earthwise 40-Volt snow throwers that share the BL84040 interface\u003c\/li\u003e\n  \u003cli\u003eFits any Earthwise 40V tool series that uses the same battery form factor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long will the 40V 4.0 Ah battery run on a single charge?\u003c\/h3\u003e\n\u003cp\u003eRun-time depends on the tool, workload, and operating conditions. Light tasks like edging or light trimming will use less current and extend runtime, while heavy loads such as sustained snow-throwing shorten it.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4.0 Ah capacity gives moderate to long runtime on small handheld tools\u003c\/li\u003e\n  \u003cli\u003eExpect shorter cycles under heavy mechanical or high-resistance loads\u003c\/li\u003e\n  \u003cli\u003eBattery performance is best when paired with a compatible 40V charger and kept at recommended storage temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know about charging, safety, and maintenance?\u003c\/h3\u003e\n\u003cp\u003eThis pack is lithium-ion chemistry and requires a compatible Earthwise 40V charger (sold separately). Charging and storage practices affect battery life, so follow manufacturer guidance for temperature and charge cycles to preserve capacity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCharger not included — use an Earthwise 40V charger designed for BL84040\u003c\/li\u003e\n  \u003cli\u003eStore in a cool, dry place and avoid full discharge when possible\u003c\/li\u003e\n  \u003cli\u003eInspect contacts for dirt or damage; keep terminals clean for reliable connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this replacement battery affect tool portability and balance?\u003c\/h3\u003e\n\u003cp\u003eThe BL84040 balances energy density with a compact form factor to keep handheld tools maneuverable. It adds runtime without significantly increasing weight, maintaining comfortable handling for pruning and edging tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to be lightweight relative to lead-acid alternatives\u003c\/li\u003e\n  \u003cli\u003eCompact dimensions keep tool center-of-gravity close to the handle\u003c\/li\u003e\n  \u003cli\u003eQuick-install design lets you swap packs between compatible tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Earthwise BL84040 40V 4.0 Ah replacement battery is aimed at homeowners and property caretakers who already own Earthwise 40V equipment and want a like-for-like battery swap to regain original run-time. It's suitable for users with snow throwers, trimmers, blowers, and other 40V yard tools who need a straightforward, OEM-compatible power pack to keep seasonal and everyday tasks running smoothly.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the charger included with the BL84040 battery?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No, the charger is not included. You need a compatible Earthwise 40V charger to charge the BL84040.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this battery in my Earthwise snow thrower?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it’s compatible with Earthwise 40V snow throwers that accept the BL84040 pack, including specified models.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Earthwise","offers":[{"title":"Default Title","offer_id":56806083068244,"sku":"B075KFP57F","price":182.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/earthwise-bl84040-front-pack.jpg?v=1786812837","url":"https:\/\/gardenluxe.co.uk\/products\/earthwise-40v-lithium-ion-replacement-battery-bl84040-4-0-ah-high-capacity-pack-for-40v-tools","provider":"Gardenluxe Uk","version":"1.0","type":"link"}