{"product_id":"ancel-bs300","title":"ANCEL BS300 Super Starter 1000A Supercapacitor for 3.5L\/3.0T","description":"\u003ch2\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/7784\/7452\/files\/ANCEL_BS300_banner.webp?v=1779430802\"\u003e\u003c\/h2\u003e\n\u003ch2\u003eANCEL BS300——Balanced Performance Battery Guardian\u003c\/h2\u003e\n\u003cp\u003eBS300 — Permanently Mounted Battery Protection System\u003cbr\u003eAlways Connected. Always Ready. Never Stranded.\u003c\/p\u003e\n\u003cp\u003eMost jump starters live in your trunk.\u003cbr\u003eThey collect dust — until the day they're dead too.\u003c\/p\u003e\n\u003cp\u003eBS300 lives under your hood.\u003cbr\u003eWorking every start. Every day. Before anything goes wrong.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003eWHY TRADITIONAL JUMP STARTERS FAIL\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThe Tool You're Counting On\u003cbr\u003eMight Not Be There When You Need It.\u003c\/p\u003e\n\u003cp\u003eTraditional jump starters were designed for emergencies.\u003cbr\u003eBS300 was designed to prevent them.\u003c\/p\u003e\n\u003cp\u003eTRADITIONAL JUMP STARTER  |  BS300 BATTERY GUARDIAN\u003cbr\u003e\u003cbr\u003eStored in trunk                        |  Permanently installed under hood\u003cbr\u003eNeeds recharging                   |  Always connected\u003cbr\u003eSelf-discharges on shelf          |  3mA standby — never dies\u003cbr\u003eLithium battery aging             |  500,000-cycle supercapacitor\u003cbr\u003eFails in cold weather               |  Full output at –40°F\u003cbr\u003eDead when needed most       |  Always ready\u003cbr\u003eEmergency rescue tool           |  Proactive guardian system\u003c\/p\u003e\n\u003cp\u003eThe difference isn't just the technology.\u003cbr\u003eIt's the entire philosophy of how a starting system should work.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003eBATTERY GUARDIAN SYSTEM\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eBS300 Doesn't Wait for Your Battery to Fail.\u003cbr\u003eIt Makes Sure It Doesn't.\u003c\/p\u003e\n\u003cp\u003eEvery start. Every day. Silent protection — working in the background.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e01 | ABSORBS CRANKING LOAD\u003cbr\u003eEvery ignition, BS300 steps in first — absorbing the full peak\u003cbr\u003ecranking current before it reaches your main battery.\u003cbr\u003eYour battery never takes the hardest hit.\u003c\/p\u003e\n\u003cp\u003e02 | REDUCES BATTERY STRESS\u003cbr\u003ePeak cranking is the single greatest cause of battery degradation.\u003cbr\u003eBS300 eliminates that stress — every single start,\u003cbr\u003efor the life of the vehicle.\u003c\/p\u003e\n\u003cp\u003e03 | EXTENDS BATTERY LIFE UP TO 3×\u003cbr\u003eLess stress per start means measurably longer battery life.\u003cbr\u003eNot a marketing claim — a direct result of reduced peak load\u003cbr\u003eon every ignition.\u003c\/p\u003e\n\u003cp\u003e04 | MONITORS BATTERY HEALTH\u003cbr\u003eBS300 reads your battery's real-time voltage and health status\u003cbr\u003eat every connection — building a picture of long-term decline\u003cbr\u003ebefore it becomes a problem.\u003c\/p\u003e\n\u003cp\u003e05 | PREVENTS UNEXPECTED FAILURE\u003cbr\u003eBatteries don't send warnings. BS300 does.\u003cbr\u003eLow-voltage alerts. Health trend notifications.\u003cbr\u003eYou'll know before the morning it won't start.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003e24\/7 APP MONITORING\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eYour Battery Finally Has a Voice.\u003c\/p\u003e\n\u003cp\u003eMost starters give you one light. Green means go.\u003cbr\u003eThat's not intelligence. That's guessing.\u003cbr\u003eBS300 gives you the full picture —\u003cbr\u003ebefore, during, and after every start.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e01 | REAL-TIME VOLTAGE\u003cbr\u003eLive battery voltage on your screen — not a 3-bar LED estimate.\u003cbr\u003eKnow exactly what you're working with before every start.\u003cbr\u003ePeace of mind: you know it's ready before you walk to the car.\u003c\/p\u003e\n\u003cp\u003e02 | BATTERY HEALTH MONITORING\u003cbr\u003eTracks long-term voltage trends and health degradation.\u003cbr\u003eYour battery's life story — logged automatically, reviewed anytime.\u003cbr\u003ePeace of mind: 24\/7 guardian for your battery.\u003c\/p\u003e\n\u003cp\u003e03 | ANOMALY ALERTS\u003cbr\u003eLow-voltage push notifications to your phone.\u003cbr\u003eFix the problem before you're stranded — not after.\u003cbr\u003ePeace of mind: warned before it happens.\u003c\/p\u003e\n\u003cp\u003e04 | START HISTORY LOG\u003cbr\u003eEvery ignition logged — date, time, battery condition at start.\u003cbr\u003eA complete record that tells you when to replace the battery.\u003cbr\u003ePeace of mind: your battery's story, always on record.\u003c\/p\u003e\n\u003cp\u003e05 | FORCE-START MODE\u003cbr\u003eWhen standard output isn't enough — activate maximum available\u003cbr\u003ecurrent directly from the app.\u003cbr\u003eThe last line of defense, when everything else has failed.\u003cbr\u003ePeace of mind: there's always one more option.\u003c\/p\u003e\n\u003cp\u003e06 | AI SMART LEARNING\u003cbr\u003eAnalyzes your driving patterns and battery behavior over time.\u003cbr\u003eOptimizes startup output for your specific vehicle and usage.\u003cbr\u003ePeace of mind: smarter every drive.\u003c\/p\u003e\n\u003cp\u003eiOS \u0026amp; Android · BLE 5.3 · No account required · Free download\u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003eSUPERCAPACITOR VS LITHIUM\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eThis Is Why BS300 Costs More.\u003cbr\u003eAnd Why It's Worth Every Dollar.\u003c\/p\u003e\n\u003cp\u003eYou're not paying for a bigger battery.\u003cbr\u003eYou're paying to eliminate the battery entirely.\u003c\/p\u003e\n\u003cp\u003eLITHIUM JUMP STARTER              |  BS300 SUPERCAPACITOR\u003cbr\u003eSwelling risk in heat                     |  No swelling. Ever.\u003cbr\u003eThermal runaway risk                   |  Zero thermal runaway\u003cbr\u003eBattery aging — capacity fade     |  500,000 cycles — zero degradation\u003cbr\u003eFails below freezing                      |  Full output at –40°F\u003cbr\u003eHeat sensitive above 140°F          |  Rated to 176°F\u003cbr\u003eNeeds regular recharging             |  Always connected — always ready\u003cbr\u003eEmergency use only                      |  Daily protection system\u003c\/p\u003e\n\u003cp\u003eSupercapacitors store energy electrostatically — not chemically.\u003cbr\u003ePhysics doesn't age. Physics doesn't swell.\u003cbr\u003ePhysics doesn't take days off.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003e\u003cbr\u003ePERMANENT UNDER-HOOD INSTALLATION\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003eBuilt to Live Under Your Hood.\u003cbr\u003eNot Visit It.\u003c\/p\u003e\n\u003cp\u003eBS300 isn't a tool you grab from the trunk when things go wrong.\u003cbr\u003eIt's a system that's already working — before things ever go wrong.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eALWAYS CONNECTED\u003cbr\u003eWired directly to your vehicle's electrical system.\u003cbr\u003e3mA standby draw — less than your car's own ECU at idle.\u003cbr\u003eNo drain. No maintenance. No thinking about it.\u003c\/p\u003e\n\u003cp\u003eIP65 RATED\u003cbr\u003eDustproof. Water-resistant.\u003cbr\u003eBuilt for the engine bay environment — heat, vibration, moisture.\u003cbr\u003eNot the glove box. Not the trunk. The engine bay.\u003c\/p\u003e\n\u003cp\u003eZERO LITHIUM\u003cbr\u003eEngine bays reach 200°F+ in summer.\u003cbr\u003eLithium cells become unstable above 140°F — a real risk for any\u003cbr\u003epermanently installed lithium device.\u003cbr\u003eBS300 has zero lithium inside.\u003cbr\u003eSafe to install. Safe to leave. Safe forever.\u003c\/p\u003e\n\u003ch2\u003e\n\u003cbr\u003e\u003cbr\u003eEXTREME ENVIRONMENT\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003cp\u003e–40°F to 176°F.\u003cbr\u003eBS300 Doesn't Care.\u003c\/p\u003e\n\u003cp\u003eSupercapacitors store energy electrostatically.\u003cbr\u003eTemperature has no say in the matter.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eWINTER COLD START\u003cbr\u003e–20°F. SUV parked outside overnight.\u003cbr\u003eBattery at 30%. Lithium starter at maybe 60% output.\u003cbr\u003eBS300 at 100%. Always.\u003c\/p\u003e\n\u003cp\u003eDESERT SUMMER\u003cbr\u003ePhoenix. July. Engine bay at 190°F.\u003cbr\u003eLithium cells are stressed above 140°F.\u003cbr\u003eBS300's supercapacitors are rated to 176°F.\u003cbr\u003eStable. Safe. Ready.\u003c\/p\u003e\n\u003cp\u003eLONG PARKING\u003cbr\u003eTwo weeks in the airport lot.\u003cbr\u003eBattery drained to residual voltage.\u003cbr\u003eBS300 charges from what's left — 3 to 10 minutes.\u003cbr\u003eEngine running before you reach the exit.\u003c\/p\u003e\n\u003cp\u003eDAILY COMMUTE\u003cbr\u003e6 AM. January. Every morning.\u003cbr\u003eBS300 doesn't have bad days.\u003cbr\u003eIt just starts your car.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBS300 is not the biggest in the BS series.\u003cbr\u003eIt's the right one for most drivers.\u003cbr\u003eThe SUV in your driveway. The crossover that takes the kids to school.\u003cbr\u003eThe vehicle that can't afford a dead battery at 7 AM.\u003c\/p\u003e","brand":"ANCEL","offers":[{"title":"Default Title","offer_id":46814798282908,"sku":"BC20426-1","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/7784\/7452\/files\/ANCEL_BS300_Super_starter_1.webp?v=1779349757","url":"https:\/\/www.ancel.com\/es\/products\/ancel-bs300","provider":"ANCEL","version":"1.0","type":"link"}