STL+ 38

STL+ 230

STL+ 460

Volumetric energy density

22.4 (Wh/l)

40.0 (Wh/l)

40.3 (Wh/l)

Gravimetric energy density

14.1 (Wh/kg)

24.0 (Wh/kg)

24.0 (Wh/kg)

Charge voltage V/cell *

1.43 ± 0.02

1.43 ± 0.02

1.43 ± 0.02

Case material

Polypropylene

Polypropylene

Polypropylene

Flammability (and OI)

UL-94 VO (28 %)

UL-94 VO (28 %)

UL-94 VO (28 %)

Terminal Size

M6 x 1

M 10 x 1

M 10 x 2

Life time at +25°C

 20 years

 20 years

  20 years

Watering interval at +20°C

5 years

5 years

5 years