12V 250Ah LiFePO4 battery covered stainless steel bracket via laser welding and metal support column, make inside of the battery is kept orderly, reliable and sturdy. 12-24 hours online help solve problems. Wire Gauge: 2/0AWG Connection Method:Support up to 4S/8P/4S4P Dimensions: L20.9 W10.9 H8.9 inch.Please allow 1-2 weeks for your return to be processed. Discounted items are not eligible for a return. All goods will be inspected on return.