12V Lithium Ion(18650) Battery Pack - 3S10P - 24Ah

This is how I built the 12V 24Ah (3S10P) Lithium Ion(Li-ion) Battery Pack using HomeMade(DIY) Spot welder.

This Pack includes,

1, 3S BMS 40Amps for Protecting the Battery Pack against Undervoltage, Overvoltage, Shortcircuit conditions. -> 1no

2, 18650 Lithium-Ion Cell (Make/Model- BAK/H18650CIL) 3 in Series and 10 in Parallel(3S10P) -> 30no

3, 18650 Single Battery Cell Spacer - 60no

4, Nickel Strips - (estimation added in above pic)

5, Kapton Tape - (estimation added in above pic)

MPPT used in this video (MPT7210A) is recommended for charging 24v Batteries and above, So extra care to be taken while Charging 12v Batteries. So better to use a CC CV DC-DC converter.

Caution: Do Not Try this at home if you are unaware of the Risks involved with Lithium Ion Batteries.

This is how the Spot welded Batteries were packed with PVC Heat Shrink tubes.

# DC Watt Meter included to monitor the Load Power Consumption.

# Temperature sensor included to get the Compartments Temperature.

# Fuse holder with 10Amps fuse for protection.

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