Do you build repair / modernize toys power tools or e-bikes electric cars? You need stable power for your projects.
The application makes it easier (for DIY enthusiasts and electronics professionals) to calculate the parameters of lithium-ion or other battery packs.

App quickly calculate (for battery package):
- voltage [V]
- capacity [mAh]
- weight [kg]
- maximum continuous discharge current [A]
- Energy [Wh]
- qty
- battery pack price and price per 1 Wh (if you specify price per cell)

Calculator of the estimated working time of a device powered by a battery.

Built-in base 52 (popular branded mainly: 18650) batteries + possibility to enter parameters of your own (custom) battery.
You can modify existing and add new batteries in the database.

The database contains information about batteries e.g.: LG (LG18650MJ1 LG18650HB6) Panasonic (NCR18650B NCR18650PF) Samsung (INR18650-15Q INR18650-25R) Sanyo (NCR18650BL NCR20700B) Sony (US18650V3 US18650VTC5)

The application allows you to calculate battery packs up to 9999S 9999P - almost 100 millions batteries :) What will allow you to calculate packages for electric bikes and such large packages as for electric cars (EV).

Our battery (li-ion li-po) calculator help you build battery pack as safe and efficient power source for your diy project such as RC modeling flashlights and other hobbies.
You can calulate different battery sizes using custom defined parameters for battery cells.

App logo uses modified the 3D battery model created by Overevolve (CC BY)