We pride ourselves on providing top-quality of the product and take quality seriously. We are constantly evolving our designs to ensure our products do the best job to safeguard your investment. When requesting a warranty replacement, we will require proof that the claim is valid. Please register your product warranty only one (1) day after your purchase date and within thirty (30) days. Please register your Jumpstart Powerbank to get the one (1) year limited warranty coverage, otherwise repair services will be on chargeable basis. Please keep your original purchase receipt and present it for verification.