Batteries

Development History

v0

• 

  Battery v0

• 

  Battery v0

Soldered 18650s, 1s120p configuration @ The Fledge

v1

• 

  Battery management system

• 

  Battery assembly

• 

  Battery v1

• 

  Battery v1

Soldered 18650s, 7s20p configuration w/ 20A BMS.

v2

• 

  Battery v2 Assembly

• 

  Battery v2

• 

  Battery v2

Based on 18650 NESE Modules. 7s7p configuration w/ 20A BMS x2, MPPT-7201A solar charge controller and DC-DC buck-boost converter, 500W motor controller, modular frame + quick disconnect pins.

References

• https://www.electricbike.com/diy-battery-pack-kits-four-options-2017/

Cell testing

• https://megacellcharger.com/