{"product_id":"the-cold-start-jump-starter","title":"The Cold Start | 22,000mAh Jump Starter with 2000A Peak Output","description":"\u003cdiv class=\"product-narrative\"\u003e\n\u003cp\u003eA flat battery always announces itself at the worst possible moment, and it is never the battery you were watching. \u003cstrong\u003eThe Cold Start\u003c\/strong\u003e is built for that specific failure: a 22,000mAh pack with up to 2000 amps of peak output, sized to turn a 12V engine without a second vehicle, a set of cables, or a stranger with a good mood.\u003c\/p\u003e\n\u003cp\u003eInside, four cells drive the discharge path with an 85 to 90 percent conversion rate, and the enclosure carries the safety architecture a lithium pack in a car boot requires: a warning light, an SOS mode, a work light, and a cigarette-lighter socket output alongside USB. Two-way fast charging means the pack refills quickly after use instead of sitting flat until the next emergency, which is how most portable starters quietly become useless.\u003c\/p\u003e\n\u003cp\u003eAt roughly 0.65 kilograms it lives under a seat or in a door pocket without being noticed, and the certification set (CE, FCC, RoHS and PSE) reflects the fact that this is a lithium battery intended to sit inside a vehicle through temperature swings. Two output tiers are offered: the 1600A Jstar Zero and the 2000A Jstar One, so a motorcycle owner and a diesel van owner are not forced into the same specification.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe best jump start is the one that never needs a second car.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003chr style=\"margin:22px 0;border:0;border-top:1px solid #eee;\"\u003e\u003cdiv class=\"product-features\" style=\"margin-top:26px;\"\u003e\n\u003ch3\u003ePack Features\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ 22,000mAh capacity with up to 2000A peak discharge current\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ Two output tiers: 1600A Jstar Zero and 2000A Jstar One\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ 85 to 90 percent conversion rate across four internal cells\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ USB output plus a 12V cigarette-lighter socket for accessories\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ Integrated work light, warning light and SOS signalling mode\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ Two-way fast charging so the pack is ready before the next failure\u003c\/li\u003e\n\u003cli style=\"padding:6px 0;\"\u003e✦ CE, FCC, RoHS and PSE certified for in-vehicle storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-specs\" style=\"margin-top:26px;\"\u003e\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 22,000mAh\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003ePeak current:\u003c\/strong\u003e Up to 2000A (Jstar One); 1600A (Jstar Zero)\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003eOutput voltage:\u003c\/strong\u003e 12V\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003eCells:\u003c\/strong\u003e 4 built-in lithium cells\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003eConversion rate:\u003c\/strong\u003e 85 to 90 percent\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 0.65kg\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e Two-way fast charge\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003eLighting modes:\u003c\/strong\u003e Work light, warning light, SOS\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003ePorts:\u003c\/strong\u003e USB output, cigarette-lighter socket\u003c\/li\u003e\n\u003cli style=\"padding:10px 0;border-bottom:1px solid #ececec;\"\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS, PSE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-applications\" style=\"margin-top:26px;\"\u003e\n\u003ch3\u003eWhere It Gets Used\u003c\/h3\u003e\n\u003cp\u003eCommuters who park outdoors through winter and would rather not rely on a stranger's goodwill at minus ten. Delivery fleets that keep one unit per van because a dead battery costs a route, not a morning. Campers and overlanders who need a 12V socket and a light source that do not depend on the vehicle's own battery. Motorcycle owners who want the 1600A tier in a jacket pocket. Anyone who has already replaced a battery because the previous one was flattened once too often by a light left on.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-faq\" style=\"margin-top:32px;\"\u003e\n\u003ch3\u003eQuestions From Owners\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will 2000A damage my vehicle electronics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe pack delivers current only when the jump-start output is engaged, and the clamps feed the starter circuit the way a donor battery would. Connect the clamps with correct polarity, engage the output, start the engine, then disconnect. The peak figure describes capability under demand, not a constant push.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many jump starts should I expect per charge?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThat depends on engine size and how depleted the battery is. A single charge covers multiple starts on passenger cars; a large diesel that needs several seconds of cranking will draw down the pack faster. Recharge after every use rather than waiting for the next emergency.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between Jstar Zero and Jstar One?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThey are the two output tiers: 1600A and 2000A peak respectively. Choose the lower tier for motorcycles and small petrol engines, and the higher tier for larger petrol or diesel engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I leave it in the car in summer?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is certified for in-vehicle use, but lithium cells age faster at sustained high temperature. Store it out of direct sun and away from the floor pan, and check the charge level periodically rather than only when you need it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it charge a phone or run a 12V accessory?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. It provides a USB output and a cigarette-lighter socket, which makes it useful as a general portable power source, not only as a starter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I recharge the pack itself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThrough the two-way fast-charge path described in the specification, using the supplied charging arrangement for your region. A full recharge takes a few hours depending on the adapter output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom:15px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the pack lose charge while stored?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAny lithium pack self-discharges slowly over months. Check the level every few months and top it up, so the one time you need it the pack is not the second dead battery in the car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"product-gallery\" style=\"margin-top:30px;text-align:center;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/product-image-1927797611.jpg?v=1647668538\" alt=\"The Cold Start jump starter power bank\" style=\"max-width:100%;height:auto;margin:0 auto 14px;display:block;border-radius:6px;\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/product-image-1819833749.jpg?v=1647668536\" alt=\"The Cold Start jump starter power bank\" style=\"max-width:100%;height:auto;margin:0 auto 14px;display:block;border-radius:6px;\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0503\/6412\/1244\/products\/product-image-1819833750.jpg?v=1647668540\" alt=\"The Cold Start jump 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