{"product_id":"booster-batterie-voiture-400a-12v-lampe-sos","title":"400A 12V Car Battery Jump Starter with SOS Light","description":"\u003c!--v3.1--\u003e\u003ch2\u003e400A car battery booster: the lightweight jump starter for city cars\u003c\/h2\u003e\u003cp\u003eThis \u003cstrong\u003ecar battery booster\u003c\/strong\u003e with a \u003cstrong\u003e400 A peak current\u003c\/strong\u003e is designed for small 12 V cars: city cars, compact cars, and small petrol engines. Lightweight (around \u003cstrong\u003e600 g\u003c\/strong\u003e), it fits in a door pocket and is enough to restart an engine after a battery has been drained by the cold or lights left on, without having to wait for roadside assistance.\u003c\/p\u003e\u003ch3\u003eWhy choose this mini car battery booster\u003c\/h3\u003e\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e400 A peak current\u003c\/strong\u003e: sufficient power for small engines, without paying for unnecessary capacity\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eExternal battery\u003c\/strong\u003e: the lithium battery charges phones and tablets via USB, with fast two-way charging\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e3-mode LED lamp\u003c\/strong\u003e: standard, strobe, and SOS for nighttime roadside emergencies\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eMultiple protections\u003c\/strong\u003e: overcharge, short circuit, and over-discharge are monitored\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eThree versions\u003c\/strong\u003e: model with a red and black digital display, or standard red and black models supplied with their case\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch3\u003eWhat vehicles is this 400A booster designed for?\u003c\/h3\u003e\u003cp\u003eA \u003cstrong\u003e400A booster\u003c\/strong\u003e is the right choice for a \u003cstrong\u003epetrol city car\u003c\/strong\u003e, a small compact car, a 12 V quadricycle, or a motorcycle. It gives peace of mind to drivers who rarely drive and leave their car for several days without starting it. However, for a \u003cstrong\u003ediesel car battery booster\u003c\/strong\u003e for a large-displacement engine, SUV, or van, you should aim for 1500 to 3000 A: this model will not reliably start them, especially in extreme cold.\u003c\/p\u003e\u003ch3\u003e400A booster or jump cables?\u003c\/h3\u003e\u003cp\u003eCables require a second car and careful connection. The \u003cstrong\u003emini car battery booster\u003c\/strong\u003e is self-sufficient: you connect it yourself, completely safely thanks to electronic protections. For a small car, it is the simplest and lightest solution, to keep on hand all year round.\u003c\/p\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\u003cp\u003eVoltage: \u003cstrong\u003e12 V\u003c\/strong\u003e. Peak current: \u003cstrong\u003e400 A\u003c\/strong\u003e. Stated capacity: \u003cstrong\u003e18,000 to 20,000 mAh\u003c\/strong\u003e (manufacturer's stated value). Lithium-ion battery, 4 cells, stated conversion rate of 85 to 90%. Full charge in \u003cstrong\u003e5 to 6 hours\u003c\/strong\u003e. Weight: around 0.6 kg. USB ports for charging your devices.\u003c\/p\u003e\u003ch3\u003eInstructions and safety\u003c\/h3\u003e\u003cp\u003eTurn off the ignition and accessories. Connect the \u003cstrong\u003ered clamp to the + terminal\u003c\/strong\u003e, the black one to the - terminal or a metal ground. Turn on the booster, wait for the clamps to signal, then start. If the engine does not start, wait a minute before trying again, without making more than three attempts in a row. Disconnect in the reverse order. Recharge the booster after each use and at least every 3 months.\u003c\/p\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs a 400A booster enough for my car?\u003c\/strong\u003e\u003cbr\u003eYes for a city car or a small 12 V petrol car. For a diesel, SUV, or van, choose a more powerful model.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference between the three versions?\u003c\/strong\u003e\u003cbr\u003eThe display version shows the charge level in numbers; the standard red and black versions are supplied with a storage case.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it charge a phone?\u003c\/strong\u003e\u003cbr\u003eYes, via its USB output, like a standard power bank.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long does it hold its charge?\u003c\/strong\u003e\u003cbr\u003eSeveral months when stored. Recharging every 3 months ensures it will be ready for the day you need it.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it work in cold weather?\u003c\/strong\u003e\u003cbr\u003eYes, but the cold reduces the performance of any lithium battery: store it in the cabin rather than the boot in winter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe right size for a small car: lightweight, simple, always ready in the door pocket.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Compact 12 V car battery booster\u003cbr\u003e\u003cstrong\u003ePeak current:\u003c\/strong\u003e 400 A\u003cbr\u003e\u003cstrong\u003eCapacity:\u003c\/strong\u003e 18,000 to 20,000 mAh (stated)\u003cbr\u003e\u003cstrong\u003eRecharge:\u003c\/strong\u003e 5 to 6 h\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Around 0.6 kg\u003cbr\u003e\u003cstrong\u003eVersions:\u003c\/strong\u003e Red and black digital display, standard red with case, standard black with case\u003cbr\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e 12 V city cars and small petrol engines\u003c\/p\u003e","brand":"becquet-voiture.com","offers":[{"title":"Red and Black Digital Screen","offer_id":53081751519519,"sku":"14:350686#Newest Best Model","price":211.9,"currency_code":"EUR","in_stock":true},{"title":"Standard Red with Case","offer_id":53081751552287,"sku":"14:350853#Red Standard","price":241.9,"currency_code":"EUR","in_stock":true},{"title":"Standard Black with Case","offer_id":53081751585055,"sku":"14:350852#Black Standard","price":241.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/7911\/7343\/files\/S6413d0918b4349fdbc768a21e1480e623.webp?v=1792533266","url":"https:\/\/becquet-voiture.com\/en\/products\/booster-batterie-voiture-400a-12v-lampe-sos","provider":"Becquet Voiture","version":"1.0","type":"link"}