View cart “Warranty extension for G3-S5 Inverter 10 years” has been added to your cart. Warranty extension for G3-S5 Inverter 10 years฿12,000.00 optional +5 years Warranty extension for G3-S5 Inverter “10 Years total” 5555 in stock - Warranty extension for G3-S5 Inverter 10 years quantity + Add to cart SKU: Alpha-I-G3-W5 Categories: Alpha ESS Energy Storage, Accessories Share on Facebook Mail This Product Description Description Extra 5 years warrenty (10years in total) Registered by serial numberExtension purchase possible within 1 year after installation