Building 18650 Battery Packs

Redo the cell pack in my Portable PowerPack
Currently configured in a 80P 3S (240 Cells)
Review Old Cell Layout
12.6 Volts Max
11.1 Volts Nominal
9 Volts Dead
2.0 kWh
Problems with this when running a 12v inverter.
New Cell Pack 80P 4S (320 Cell)
Review Old Cell Layout
16.8 Volts Max
14.8 Volts Nominal
12 Volts Dead
2.6 kWh
KRIËGER KR1500 1500 Watt 12V Dual Power Inverter
Input Voltage Range 10 - 15.5 VDC
Will require 80 more cells
Small Pack
3P 3S (11.1 Volts - 6,600 mAh = 6.6 Ah = .0733 kWh)
Medium Pack
3P 4S (14.8 Volts - 6,600 mAh = 6.6 Ah = .0977 kWh)
Large Pack
8P 4S (14.8 Volts - 17,600 mAh = 17.6 Ah = .26 kWh)
New PowerPack Cells
80P 4S (14.8 Volts - 176,000 mAh = 176 Ah = 2.6 kWh)
Using Pack Builder (www.diypowerwal... OR repackr.com)
What you will need
Know what the cell configuration you want to build
Know the mAh of each cell that that you be using.
Enter all the mAh comma delimited and it will give you your cell configuration.
Let’s do a 5P 4S pack together. (14.8 Volts - 11,000 mAh = 11 Ah = .16 kWh)
The DIY Engineer Cell Pack Calculator: thediyengineer...
“The DIY Engineer Cell Pack Calculator” is a spreadsheet that can help you in calculating your cell packs. It covers voltage, amperage, capacity and costs.
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