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    1. Background

    • All Li-Po and Li-ion cells are ~3.7V.

      • Multiple cells are stacked in series to form batteries, indicated by [number of cells]s. A 4s battery contains 4 cells with a overall voltage of 14.8V.

      • Batteries typically contain a even number of cells.

    2. Candidates

    Iframe
    marginwidth20px
    scrollingyes
    srchttps://docs.google.com/spreadsheets/d/1ifOsCBupy-L8y9sZiXcb2NVFVkNq7MuALT3g-9yHMcE/edit?usp=sharing
    width100%
    frameborderhide
    marginheight20px
    height500px

    3. Options

    Li-Po

    Li-Ion

    Pros

    • Stable

    • Wide operating temps (50-100 C°)

    • Inexpensive (~$50)

    • Higher specific energy (150-200 W-h/kg)

    Cons

    • Lower specific energy (100-150 W-h/kg)

    • Low operating temps (0-60 C°)

    • Expensive (~$100)

    • Volatile and flammable, specific charging requirements

    • Limited current draw

    • Raw leads