High-performance lithium-ion battery, 12V 100AH, with smart features. - Brand: RENOGY - Model Name: SMART LITHIUM IRON PHOSPHATE 12V 100AH BATTERY (Set of 2) - Included: Instruction manual, screws, cables - Battery Type: Lithium-ion battery - Never used since new! I checked the capacity with BT-2 before listing, and it's still usable, but there is no warranty! I will not respond to price reduction requests except in the comments section!! Also, please understand that I cannot accommodate significant price negotiations due to sales commission and shipping costs. - Please purchase with the understanding that this item has been in someone else's possession once. Also, to prevent replacement, we do not accept returns or refunds for any reason, so please understand before purchasing! Please note that one of the boxes was damaged during storage and has been discarded. Shipping to Hokkaido, Okinawa, and remote islands will be charged separately! Please contact us in advance. We will cancel the order if we do not receive contact! Thank you for viewing.