SparkFun LiPo Fuel Gauge

Item number 59379 Brand Sparkfun Model TOL-20680 Share Write a review
SparkFun LiPo Fuel Gauge

Description Attachments

The SparkFun LiPo Fuel Gauge is a compact and efficient solution for monitoring the energy levels of your single-cell lithium-ion batteries. It's designed to connect directly to your battery and uses a sophisticated algorithm to measure the remaining battery charge. This innovative device communicates with your microcontroller via an I2C interface, giving you a real-time update about the remaining 'fuel' in your battery. It also features an alert pin, which notifies you when the battery charge drops below a certain level.

With the SparkFun LiPo Fuel Gauge, you'll never be caught off guard by a sudden power cut again. It's an invaluable tool for any project that relies on LiPo batteries. Its small size and lightweight design make it easy to incorporate into any project, while its powerful features ensure you always know how much power you have left.

The SparkFun LiPo Fuel Gauge isn't just about functionality – it's also designed for convenience. With both hardware and software reset options, it's easy to operate and manage. The I2C interface allows for seamless communication with your microcontroller, making it straightforward to integrate into your existing setup.


  • Designed for single-cell lithium-ion batteries
  • Can be integrated in-circuit for real-time battery monitoring
  • Features both hardware and software reset
  • Communicates via an I2C interface


  • Schematic
  • Eagle Files
  • Board Dimensions
  • Hookup Guide
  • Datasheet (MAX17043G+U)
  • Fritzing Part
  • C Example Code
  • Particle Photon Library
  • Arduino Library
  • Arduino Project Example
  • GitHub Hardware Repo

Make the most of your LiPo batteries and never be left in the dark about your power levels again with the SparkFun LiPo Fuel Gauge.


Brand information
Brand Sparkfun
More infoLiPo Fuel Gauge (MAX1704X) Hookup Guide - SparkFun Learn
Size info
Length14 mm
Width28 mm
Height8 mm
Weight4 g
€ 14,10€ 11,70 Excl. VAT (NL)
Out of stock In stock with supplier
Delivered in 5 to 10 days
Shipped from € 3,50 (NL) 30 days cooling-off Excellent service

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