DIY 48V 14.5Ah Li-ion Battery

About: We design and create batteries, electric vehicles and DIY electronics. We research, develop and document our creations to inspire others. Our mission is to bring resources to people all over the world and ...

48V 14.5Ah li-ion battery designed for a small 1.5L frame bag

Building of a 48V 14.5Ah 65 cells battery for a specific 1.5L frame bag (the 48V version of the work from the previous video). An interesting solution for easy installation and quick battery release. The cell configuration and nickel pattern took a great timelooking for the best shape and current sharing. The finishing was extremely strong fixed, taking advance of how the velcro straps are placed. Frame bag still has a slightly 100ml available.

specifications:

- 48V 14.5Ah

- 13s5p with Samsung INR18650 29E (LiNiCoAlO2 cells)

- 40A max continuous capabitity and 100A max peak

- Built-in balancing circuit BMS 25A continuous limit

- XT60 connectors for charge and discharge ports

- 3.2Kg

- 1.4 liters

- energy density: ~540Wh/L

- specific energy: ~215Wh/Kg.

More

Teacher Notes

Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.

Be the First to Share

    Recommendations

    • Made with Math Contest

      Made with Math Contest
    • Cardboard Speed Challenge

      Cardboard Speed Challenge
    • Multi-Discipline Contest

      Multi-Discipline Contest

    3 Discussions

    None
    ravindra3007

    1 year ago

    I need detail circuitry for 36 volt and 48 volt at 250watt...