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Luna Cycle Watt Meter

Calculated at checkout

Product Description

NOTE: Please choose the appropriate voltage for your use as you can blow out if using the wrong version with your battery.

  • 4.0 - 60v 
  • Watt Meter designed by Luna for an accurate and inexpensive battery meter
  • Accurate amp hour reading tells you how much is left in your battery
  • 0-200 amps tells you how much juice your engine is sucking
  • Backlit LCD display
  • Load side is female the Source side is male
  • Comes with XT90 connectors attached
  • Beefy 8 gauge soft silicone wire


Luna Cycle is proud to offer our very own watt meter.

We have upped the game by making our meter handle up to 200 amps with beefier connections and genuine xt90 connectors.  This also means the unit is more robust for years of trouble free service. 

Finally an affordable way to keep track of amp hours, the most accurate way to know how much juice is left in your ebike battery and the true capacity of your battery.

It has an xt90 female connector on load side and a male connector on the source side.  Basically you can connect it anywhere in between your battery and controller by coming in between the positive and negative lead wires.  It also can be used with a charger with the right adapters to conveniently be able to tell how many amp hours are going into your battery when charging and how many amps is the charger putting out. 

This volt meter will only work on 52v batteries as they get up to 59v right off the pack. This meter will NOT work with our 60v batteries as they will be almost 70v when fresh off the charger and you will blow out the meter.


Product Reviews

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  1. Doa

    Posted by Steve van batavia on Jul 22nd 2017

    We like the meters when they work but we have three that are dead . Our friends also have them and they got them some time before us and they continue to work. They say they have to restart them from time to time by plugging and unplugging which worked a couple times only for us on one meter

  2. Luna Watt Meter

    Posted by John on May 15th 2017

    I can't wait to start using this watt meter for my BBSHD unit. Looks like it is well made. I was surprised, however, that there was no obvious way to mount it on the handlebars. I thought about mounting it down low, close to the battery but I decided that I want to be able to see it while I'm riding. I have added an aluminum mounting bar across the front of my handlebars and drilled holes in the bottom of the meter to bolt it on with 6/32 x 1/2" ss bolts and nylock nuts. It now sits just forward of the regular display. It will be great to have a fuel gauge.

  3. Watt meter

    Posted by Billg on Apr 30th 2017

    Solid, good looking and tough. I really like the illuminated screen and the connectors. Luna Cycle is one of the few companies that truly care about their customers and stand behind their products.