Element 11 Sodium Batteries

Element 11 Sodium batteries. 
Na20 ah 5000 watts 
Na60 ah 10,000 watts 
Na100 ah 15,000 watts 
 
These are compatible with other batteries. 
Na-20 Sodium-Ion 12V 20Ah Battery  ( 420.00)
5000 Watts, 6.5" L x 4.94" W x 6.88" H, 6.4lb
Na-60 Sodium-Ion 12V 60Ah Battery, 4 copper terminal connections ( 1,100.00)
10,000 Watts, 10.38" L x 6.56" W x 8.63" H, 20.8lb, G46
Na-100 Sodium-Ion 12V 100Ah Battery, 4 copper terminal connections( 1,599.00)
15,000 Watts, 13" L x 6.75" W x 8.88" H, 32.2lb, G60