This type of the nickel-iron battery belong to low discharge rate . the capacity is 10Ah~1200Ah .
Normal voltage is 1.2V per piece . which can be series to 12V 24V 48V 110V and 220V and so on .
Battery cell is ABS white or ABS blue . which can be do with the customer required .
Max cycle life is 15~20years .
Low maintance servince in the useing life .
KIndly contact with me once you have other question want to know .