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72V 300W Ebike Advanced Luna Charger

$120.00 $99.95
(You save $20.05)
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Product Description

ebike-advanced-chargers.jpg

  • 72V charger (20S)
  • Designed for 18650 and lithium ion battery packs
  • Adjustable current to charge fast or slow from 1A to 3A
  • Smart charger keeps your pack safe and maximizes its life span
  • Automatically shuts down when pack is full
  • Voltage display lets you monitor your charge as you charge
  • High quality fans runs quiet and are reliable
  • Anodized Sea Blue aluminum case
  • 2.5 pounds
  • 7.25 x 3.5 x 2 (dimensions in inches)
  • 110V AC input for North America
  • Charges to 84V
  • XT60 plug (can easily be changed) 
  • 6 month warranty

 *****

Please click specifications to get more information including important info regarding compatibility. Or read our online manual here. Note: This model does not have the switch to select the charge capacity seen on the owners manual.

 

The Luna Charger was made to our specifications from the largest most reputable ebike charger manufacturer in China. Because we ordered in large volume, we got a very good price and pass that savings on to you. We intend for this charger model to be a statement of what we want to do, which is offer one-of-a-kind products at an affordable price.

We made this charger with a surprisingly small form factor, considering it is a serious 300 watt charger. We also had our case anodized a distinctive sea-blue, and had an LED display built onto the face of it.  When you plug in this charger, the LED displays the maximum voltage it charges to (54.5V for a nominal 48V pack). After you plug in your battery, it tells you what voltage your battery is at and you can monitor your voltage while charging. 

We wanted our charger to be quiet, so we made ours with high quality and reliable fans. From selling other chargers, we have realized that cheap fans are the #1 reason for charger failure. Charger failure was our #1 reason for customer support issues last year, so now we will have our own charger that we know is reliable and we can sell with our packs. 

Additional Information and Specifications

Features:

     - Charger is configured with reverse polarity, over current, over voltage, and short circuit protections.

     - Fuse protected

     - Precise limit of current, intelligent control, and avoids over charge.

     - Simple Dual LED indicators : LED 1 shows power is on, LED 2 (red) shows the battery being charged, or...green shows the battery is fully charged (or no load at DC side).

     - Voltage display shows the output voltage inside the charger, and the relative voltage of the battery.

    

How to Operate

     1. Check the parameters of the charger, and the parameters of the battery to ensure the compatibility of this charger with your battery.

     2. If you need to connect your own connector make sure the red cable goes to positive of your connector, and the black wire goes to negative.

     3. Make especially sure that the chargers maximum voltage is the same as your batteries maximum voltage. The nominal 48V (13S) chargers max voltage is 54.6V  the 52V (14S) model of chargers max voltage is 58.8V. The 72V (20S) charger will have a max voltage of 84.0V. Your batteries maximum voltage must match these.

     4. Make sure you plug in your charger. When LED 1 is red, it means the power is on.

     5.. When LED 2 Turns red and the fan stops, the battery is fully charged, and the charger will stop charging.

 

Notices

     - This charger is configured for use with Luna 18650-cell battery packs. We make no guarantees about compatibility using other battery cells. Please be sure the voltage matches your battery. For example, never use the 36V charger on a 48V pack.

     - USING THE WRONG CHARGER ON A BATTERY IS DANGEROUS

     - It is up to the user to determine if the charger is appropriate for his battery.

 

Troubleshooting

     - If the charger does not work properly, please make sure the charger and battery are connected properly.

     - The voltage display will light up even if you are not plugged into the household current. Look at  the red LED on the back of the charger to make sure you are getting power.

     - The charger should be used in a well ventilated area.

     - The aluminum case is an important part of heat dissipation, make sure it isn't covered up or smothered.

     - Check the fuse on the back to see if it is burned.

     - Unplug the battery and then plug it back in to reset. (Sometimes this is needed after changing the position of the percentage charge switch)

See this documentation for further troubleshooting

 

 

*****

 

Q's

1. Why is the LED blinking and the fan is cycling on and off?

 

A's 

1. When balancing a pack the charger will cycle on and off , this is normal behavior. Note that balancing does not occur every time the pack is charged so this may seem like intermittent behavior.

 

 

Product Reviews

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  1. 72v, 300 watts, and flawless performance!

    Posted by Dayn Anderson on Feb 13th 2017

    I have had this charger since July 2016, and have used it for charging the battery I bought from Luna at the same time, and have used it on a daily basis pulling a 100 lb bicycle trailer to work. I love the easy to use 3 position switch for 80/90 or 100% charging, and use it for 80% 99% of the time to extend the battery's life.

    The battery charge has worked flawlessly, and from the beginning I was impressed by the quality of the aluminum case and fans that aren't typically included with a charger bought with battery combo from most sellers, the industry standard has been improved upon by Luna significantly, and at a reasonable price.

    I would recommend these chargers, and would not settle for any less!

  2. Good first impressions but...

    Posted by Unknown on Sep 5th 2016

    The charger works fine, no problems there. Fan is a bit loud but the unit stays barely warm through the charge. That's nice.

    I'm not giving it 5 stars because:

    - 3A-5A charge selector is missing on my unit for some reason. It's not what is shown on the product page pictures. The description only says 3A, I know, but he online manual also references the switch. At least information is inconsistent and creates confusion.

    - Lacks a printed manual. There's one online, but a user shouldn't rely on an available online computer for reference. At least there should be a pdf file for download. At least you should include some warnings on what not to do on your initial use. Like "Plug charger before battery". Or "turn off charge to switch charge level cutoff" since it seems you can't do this "on the fly".

    - On a similar note, labeling of switches and lights on the charger itself is incomplete and is not easy to read. You have to go online to figure out that 80% charge is all the way up, 90% in the middle and 100% fully down. Also LED1 and LED2 are not very self explanatory, you have to read the label to know what you are looking at.

    We'll see how it holds.