{"product_id":"boost-x-gbx155-4250a-ultrasafe-jump-starter-12v-lithium-battery-booster-pack-portable-jump-box-power-bank","title":"Boost X GBX155: 4250A UltraSafe Jump Starter – 12V Lithium Battery Booster Pack, Portable Jump Box, Power Bank \u0026","description":"\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eX FOR EXTREME — A new class of lithium jump starters. Rated at 4,250 amps for powerful starts on gas engines up to 10.0L and diesel engines up to 8.0L - built for extreme performance.\u003c\/li\u003e\n\u003cli\u003eULTRASAFE 2.0 — Upgraded spark-proof and reverse polarity protection with enhanced thermal efficiency and power management for even safer operation and extended battery life.\u003c\/li\u003e\n\u003cli\u003eTURBO CHARGEABLE — Recharges in just 2.7 hours via USB-C Power Delivery, or gain enough power for a jump start in just 5 minutes - even from a completely depleted battery.\u003c\/li\u003e\n\u003cli\u003e60-SECOND TIMER — Integrated 60-second timer conserves power from its high-voltage design - delivering up to 18 jump starts per charge with extreme energy at every start.\u003c\/li\u003e\n\u003cli\u003eCHARGE EVERYTHING — 60-watt USB-C Power Delivery lets you charge phones, tablets, laptops, and more. Dual-direction charging turns Boost X into a high-output portable power bank.\u003c\/li\u003e\n\u003cli\u003eINTEGRATED LED FLASHLIGHT — Precision-engineered 500-lumen LED with 7 light modes, including SOS and strobe. Illuminate repairs, emergencies, or low-light environments.\u003c\/li\u003e\n\u003cli\u003eWHAT’S IN THE BOX — GBX155 jump starter, heavy-duty clamps, USB-C charging cable, and microfiber storage bag. Backed by a 1-year warranty and engineered in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe GBX155 Boost X is a new class of portable lithium jump starters—engineered for extreme performance and rated at 4,250 amps to start gas engines up to 10.0 liters and diesel engines up to 8.0 liters. Featuring our upgraded UltraSafe 2.0 technology, it offers spark-proof connections and reverse polarity protection, now with enhanced thermal efficiency and power management for even greater safety and battery life. Designed with a high-voltage output system, the GBX155 includes an integrated 60-second timer to conserve energy—delivering up to 18 jump starts per charge with maximum power on every start. Even if completely depleted, it can gain enough power for a jump start in just 5 minutes or fully recharge in only 2.7 hours via USB-C Power Delivery. A 60-watt USB-C port provides both input and output, turning Boost X into a high-performance power bank for fast charging phones, tablets, laptops, and other USB-C devices. A precision-engineered 500-lumen LED flashlight features seven modes, including SOS and strobe, to light up dark workspaces or help in roadside emergencies. The GBX155 jump starter comes complete with heavy-duty jumper clamps, a USB-C charging cable, and a microfibe\u003c\/p\u003e\u003cp\u003eFree shipping included. 30-day hassle-free returns.\u003c\/p\u003e","brand":"Belmont Warehouse","offers":[{"title":"Default Title","offer_id":43265408991441,"sku":"BW-B08WZFPXFM","price":665.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/3123\/5793\/files\/71E677Vc2rS._AC_SL1500.jpg?v=1787582621","url":"https:\/\/belmontwarehouse.com\/products\/boost-x-gbx155-4250a-ultrasafe-jump-starter-12v-lithium-battery-booster-pack-portable-jump-box-power-bank","provider":"Belmont Warehouse","version":"1.0","type":"link"}