Battery Balancer & Watt Meter

Pololu item #: 2176

This product has been discontinued.

This product is no longer available, and we do not have a recommended replacement.

This device serves as an inline watt meter that measures the current, voltage, and total output of a power source. It can also check and balance the cell voltage of lithium-based battery packs with up to six cells.

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Battery Balancer & Watt Meter displaying readings in watt meter mode.

When you connect this watt meter between a power source and its load, it provides readings of several useful parameters:

  • Current (A)
  • Voltage (V)
  • Power (W)
  • Cumulative current (Ah)

Both the source and the load ports are female “Deans Ultra”-style T connectors. A short male-male cable is included for use with the source connection.

The unit can also serve as a battery checker and balancer for lithium polymer (LiPo), lithium iron phosphate (LiFe), and lithium ion (Li-ion) battery packs. Balancing a battery pack ensures that it has an equal charge in each cell and prevents a weak cell from limiting the capacity of the battery. 2- to 6-cell packs with 2.5 mm JST XH-style connectors are supported via an included socket adapter.

People often buy this product together with:

T Connector Male-Female Pair T Connector Male-Female Pair
0.1" (2.54mm) Crimp Connector Housing: 1x1-Pin 25-Pack 0.1" (2.54mm) Crimp Connector Housing: 1x1-Pin 25-Pack
0.1" (2.54mm) Crimp Connector Housing: 1x2-Pin 25-Pack 0.1" (2.54mm) Crimp Connector Housing: 1x2-Pin 25-Pack

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Related Categories

Voltage Regulators and Power Supplies
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