NOCO Boost XL GB50 1500A 12V UltraSafe Portable Lithium Car Jump Starter, Heavy-Duty Battery Booster Power Pack, Powerbank Charger, and Jump Leads for up to 7.0L Petrol and 4.5L Diesel Engines

Product Information

Explosion. Unmonitored, incompatible, or damaged batteries can explode if used with product. Do not leave product unattended while in use. Do not attempt to jump start a damaged or frozen battery. Use product only with batteries of recommended voltage. Operate product in well ventilated areas. When recharging, the charge level of the internal battery is indicated by the Charge LEDs. The LEDs will slowly pulse 'On' and 'Off' and become solid until all four Charge LEDs are on. When the battery is fully charged, the Green 100% LED will be solid, and the 25%, 50% and 75% Charge LEDs will turn "Off". From time to time, the Green 100% LED will pulse indicating maintenance charging is occuring.

USE THIS MODE WITH EXTREME CARE. THIS MODE IS FOR 12-VOLT LEAD-ACID BATTERIES ONLY. BOTH THE SPARK PROOF AND REVERSE POLARITY PROTECTION FEATURES ARE DISABLED. PAY VERY CLOSE ATTENTION TO THE POLARITY OF THE BATTERY BEFORE USING THIS MODE. DO NOT ALLOW THE POSITIVE AND NEGATIVE BATTERY CLAMPS TO TOUCH OR CONNECT TO EACH OTHER AS THE PRODUCT WILL GENERATE SPARKS. THIS MODE USES VERY HIGH CURRENT (UP TO 1500 AMPS) THAT CAN CAUSE SPARKS AND HIGH HEAT IF NOT USED PROPERLY. IF YOU ARE UNSURE ABOUT USING THIS MODE, DO NOT ATTEMPT AND SEEK PROFESSIONAL HELP.Cold LED Illuminates solid Blue; unit is fully operational, but approaching lower temperature limit.

As is the law, please note that that as we got the product for free, this post should be deemed an #ad.

Unit is too hot to jump start or use other functions. / Allow the unit to cool, and bring the unit into cooler environment.

So, what’s our verdict on the NOCO Boost GB50 XL? The GB50 is an ultra-portable, lightweight and compact lithium-ion jump starter for 12-volt batteries — and a portable charger for your gadgets while out on an adventure. You can safely jump start a dead battery in seconds – and up to 30 times on a single charge. That’s pretty powerful. Hot LED Illuminates solid Red; unit is fully operational, but approaching upper temperature limit. Flashing Red; unit is too hot to jump start, but other functions are still available. Boost LED Illuminates White when Boost is active. If the unit is connected properly to a battery, the GB50 will automatically detect a battery and go into Boost mode (LED flashes White when Manual Overide feature is active).Carefully read and understand the vehicle owner's manual on specific precautions and recommended methods for jump starting the vehicle. Make sure to determine the voltage and chemistry of the battery by referring to your battery owner's manual prior to using this product. The GB50 is for jump starting 12-volt lead-acid batteries only. Before connecting to the battery, verify that you have a 12-volt lead-acid battery. The GB50 is not suitable for any other type of battery. Identify the correct polarity of the battery terminals on the battery. The positive battery terminal is typically marked by these letters or symbol (POS,P,+). The negative battery terminal is typically marked by these letters or symbol (NEG,N,-). Do not make any connections to the carburetor, fuel lines, or thin, sheet metal parts. The below instructions are for a negative ground system (most common). So, when NOCO got in touch to see if we’d like to give their NOCO Boost XL GB50 portable jump starter a test we were all for it. This thing promises a bunch — it can keep your gadgets charged and it can jump start your wheels. Portable battery chargers are no innovation these days, but with the added features on offer here we were excited to give it a whirl.