Model A:
This model is called "back carrier" type.
The overall dimension of this case is 149*69*360mm.
It can be used to pack LiFePO4 36V/10Ah and LiMn2O4 36V/10Ah.
This is the most popular model for e-bike use.
Model B:
This model is called "silver fish" type.
The overall dimension of this case is 110.5*75.5*378mm.
It can be used to pack LiFePO4 36V/8Ah and LiMn2O4 36V/10Ah.
This model is also used on e-bikes.
Model C:
This model is called "24V" type.
The overall dimension of this case is 88.5*89*401mm.
It can be used to pack LiFePO4 24V/8Ah and LiMn2O4 24V/10Ah.
This model is also used on e-bikes.
Model D:
This model is called "small frog" type.
The overall dimension of this case is 245*145*83mm.
It can be used to pack LiFePO4 24V/8Ah and LiMn2O4 24V/10Ah.
This model is also used on e-bikes.
This model holds the same battery pack as model A.
The difference with model A is the bracket/holder is underside.
The overall dimension of this case is 301*150*80mm.
It can be used to pack LiFePO4 36V/10Ah and LiMn2O4 36V/10Ah.
This model is also used on e-bikes.