BA1400T 2.5 Ah : 140 Wh, 1.2 Kg = 149€.
BA2240T 4.0 Ah : 224 Wh, 1.9 Kg = 239€.
BA4200T 7.5 Ah : 420 Wh, 2.8 Kg = 449€.
BA6720T 12 Ah : 672 Wh, 3.6 Kg = 715€.