Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Since I could not find the battery specification from Nomura, I stuck with Honcell’s HCP904250 that I worked on last week.

Specifications of the Cell

Cell Voltage

Cell Capacity

Cell Voltage (Max) (V)

4.2

Min.

2200 mAh

Cell Voltage (Nominal) (V)

3.7

Typ.

2200 mAh

Cell Voltage (Min) (V)

3.0

Weight (g/cell)

48.3

Price was not specified in their website. They said we should contact them to know the price.

Pack Arrangement: 11P 36S

I first calculated the number of batteries in series to meet the voltage requirement. Then, I calculated how many batteries can there be in parallel without the weight going over 20 kg.

Total number of cells: 396

Weight: 19.1kg

Battery Pack Voltage

Voltage (V)

Max.

151.2

Nominal.

133.2

Min.

108

Capacity of the Module

Volume of the Module

Gravimetric/Volumetric Density

Discharge Current

Number of Charge Cycles

Total Cost