Thank you sincerely for choosing Pecron. We greatly value your trust in our products and appreciate your support for the continued growth of Pecron. It is our honor to serve you, and we look forward to supporting you in the future.Please register your Pecron product within 30 days of purchase to activate the extended warranty (applicable only to brand-new portable power stations purchased through official Pecron channels).Note: Accessories, chargers, carts, and solar panels are not covered by the extended warranty.Warranty periods by model：E300LFP / E600LFP: 2-year warranty； E1000LFP / E2000LFP / E2400LFP: 3-year warranty (includes an additional 1 year)； E1500LFP / E3600LFP / F3000LFP: 5-year warranty (includes an additional 3 years).Thank you again for your trust and support.