Making a small pack 5S24P

Batteries, Chargers, and Battery Management Systems.
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leffex   100 W

100 W
Posts: 244
Joined: Apr 08 2012 4:39pm
Location: Sweden

Making a small pack 5S24P

Post by leffex » Jul 03 2019 1:59pm

Just some photos of my small pack I want to share

How to assemble: Soldering
exactly how: tesla style. One side is fused with wire capable of 5-15a max(deciding), the other more robust fastened with thicker copper wire. Both sides uses twined copper wire as busbar. Hot glue gun to make pack sturdier and also additional plastic and soft material inbetwen + manually activated fan cooling.
Size: 18,5x30x7,5 cm
Numbers of cells 5s24p
Cell type: Used tested Panasonic 18650PF
Usage: max 150A, 6,25 per cell
Total wh: 1221 (18,5Vx66AH)

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emotorcycle 22kw. Salestech in an ebike store

leffex   100 W

100 W
Posts: 244
Joined: Apr 08 2012 4:39pm
Location: Sweden

Re: Making a small pack 5S24P

Post by leffex » Aug 24 2019 9:59am

Work table:
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1 of 5 pieces
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5 pieces fits inside one
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Finished pack:
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Module pack stats:
18,5cm*7,5cm*30cm = 4162cm^3 Volume = 4,162 L
5s*24p 2,9PF nominal 1221wh
1221wh / 4,162 L = 293wh/L

Next mission, what to do. Test pack for voltage drop at set load and monitor temperature
emotorcycle 22kw. Salestech in an ebike store

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