The 12v Portable Car Jump Starter Air Compressor Battery Start Charger by Cosmo is a versatile set that includes a 12V charger with a peak amp capacity of 600Amp. This portable device is designed to quickly jump-start vehicles and also features an air compressor for added convenience. Ideal for on-the-go use, this product is perfect for those in need of a reliable and efficient battery booster and charger. Needs a new battery as old one lost its charge. Have tested though and works perfectly
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