Configurable battery pack (LiIon, 18650)
thingiverse
This is a configurable battery pack currently set for 18650 LiIon cells (3p6s). Printed with ABS at 0.3mm layer height. A test print with for example scaled z-axis is recommended to verify the tolerances of battery cells and printer. Some parts, such as the battery compartment cover, are not completeley parameterized and have to be adapted to a different number of cells. Parts: - [Samsung INR18650-35E](https://www.orbtronic.com/content/samsung-35e-datasheet-inr18650-35e.pdf), [Technical report](http://downloads.cdn.re-in.de/1400000-1499999/001499572-da-01-de-SAMSUNG_LI_ION_AKKU_18650__3500MAH_10A.pdf). - 0.28mm enamelled copper wire as fuses (approx. 13A/cell) - 1mm enamelled copper wire for cross bar - Zip ties, XT60 connector, balancer connector, etc. Battery pack spec. for long cycle life with Samsung INR18650-35E: - Charge current: 6A - Discharge current: 25A - Charging voltage: 4.1V - Discharge voltage: 3V - Energy: ~185Wh @24A discharge current. I am charging/discharging this battery with a charger like the "ISDT Smart Charger Q6", so I did not plan to install a BMS board. I purposely made the box a little smaller, so that the lid can be pressed firmly into the box by 3 cable ties or, as shown in one of the pictures, a strap. Version 2018-11-26: Initial release
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