The E-Flite
®
Power Meter is designed to be used in-line. It displays Volts (V), Amps (A), Watts (W) and
Capacity (mAh) based on the mode selected. Connectors are not included, allowing you to customize
the meter to fi t your needs. When soldering connectors onto the lead wires, be sure to properly insulate
the wires, using heat shrink tubing, so they will not short. Shorting may damage the meter.
Specifi cations
Current Display Range
100mA-120A
Voltage Display Range
4V-50V
Power Display
Up to 6000W
Current Resolution
.1 A
Voltage Resolution
.1 V
Power Resolution
.1 W
Capacity Up to 9999mAh
Instructions
Testing Power Systems
1. Connect the power meter between the battery/power supply and the electronic speed control,
with the power source lead connected to the battery/power supply and the load lead connected
to the ESC.
2. Each time the MODE button is pushed, Amps, Voltage or Watts will be displayed individually.
3. The meter will display the current in amps and automatically calculate the wattage.
Testing Battery Capacity During Charging & Discharging
1. Connect the power source lead to the battery you are testing.
2. Connect the load lead to the charger/discharger.
3. Push the MODE button until mAh is displayed.
4. Once the battery is completely charged or discharged, the meter will display the fi nal capacity in mAh.
IMPORTANT:
The Power Meter is equipped with a Lo-Volt icon indicator, which will display when
the input voltage is below 3V and too low for the meter to operate. Whenever the Lo-Volt icon
appears, the unit and the data values displayed will be inaccurate.
NOTICE
All instructions, warranties and other collateral documents are subject to change at the sole
discretion of Horizon Hobby, LLC. For up-to-date product literature, visit horizonhobby. com or
towerhobbies.com and click on the support or resources tab for this product.
Meaning of Special Language:
The following terms are used throughout the product literature to indicate various levels of
potential harm when operating this product:
WARNING:
Procedures, which if not properly followed, create the probability of property damage,
collateral damage, and serious injury OR create a high probability of superfi cial injury.
CAUTION:
Procedures, which if not properly followed, create the probability of physical property
damage AND a possibility of serious injury.
NOTICE:
Procedures, which if not properly followed, create a possibility of physical property
damage AND little or no possibility of injury.
WARNING:
Read the ENTIRE instruction manual to become familiar with the features of
the product before operating. Failure to operate the product correctly can result in damage
to the product, personal property and cause serious injury.
This is a sophisticated hobby product. It must be operated with caution and common sense and
requires some basic mechanical ability. Failure to operate this Product in a safe and responsible
manner could result in injury or damage to the product or other property. This product is not
intended for use by children without direct adult supervision. Do not use with incompatible
components or alter this product in any way outside of the instructions provided by Horizon
Hobby, LLC. This manual contains instructions for safety, operation and maintenance. It is
essential to read and follow all the instructions and warnings in the manual, prior to assembly,
setup or use, in order to operate correctly and avoid damage or serious injury.
Load Lead
Mode Button
Power Source Lead
Battery
Charger
Battery
ESC
Motor
Power Meter Manual
(EFLA110)
Age Recommendation: Not for children under 14 years. This is not a toy.
Limited Warranty
What this Warranty Covers
Horizon Hobby, LLC, (Horizon) warrants to the original purchaser that the product purchased (the “Product”)
will be free from defects in materials and workmanship for a period of 1 year from the date of purchase.
What is Not Covered
This warranty is not transferable and does not cover (i) cosmetic damage, (ii) damage due to acts of God,
accident, misuse, abuse, negligence, commercial use, or due to improper use, installation, operation or
maintenance, (iii) modifi cation of or to any part of the Product, (iv) attempted service by anyone other than
a Horizon Hobby authorized service center, (v) Product not purchased from an authorized Horizon dealer,
(vi) Product not compliant with applicable technical regulations, or (vii) use that violates any applicable
laws, rules, or regulations.
OTHER THAN THE EXPRESS WARRANTY ABOVE, HORIZON MAKES NO OTHER WARRANTY OR
REPRESENTATION, AND HEREBY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES, INCLUDING, WITHOUT
LIMITATION, THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE. THE PURCHASER ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED
THAT THE PRODUCT WILL SUITABLY MEET THE REQUIREMENTS OF THE PURCHASER’S INTENDED USE.
Purchaser’s Remedy
Horizon’s sole obligation and purchaser’s sole and exclusive remedy shall be that Horizon will, at its option,
either (i) service, or (ii) replace, any Product determined by Horizon to be defective. Horizon reserves the right
to inspect any and all Product(s) involved in a warranty claim. Service or replacement decisions are at the sole
discretion of Horizon. Proof of purchase is required for all warranty claims. SERVICE OR REPLACEMENT AS
PROVIDED UNDER THIS WARRANTY IS THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY.
Limitation of Liability
HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY, REGARDLESS OF WHETHER
SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, TORT, NEGLIGENCE, STRICT LIABILITY OR ANY OTHER
THEORY OF LIABILITY, EVEN IF HORIZON HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Further, in no event shall the liability of Horizon exceed the individual price of the Product on which liability is
asserted. As Horizon has no control over use, setup, fi nal assembly, modifi cation or misuse, no liability shall
be assumed nor accepted for any resulting damage or injury. By the act of use, setup or assembly, the user
accepts all resulting liability. If you as the purchaser or user are not prepared to accept the liability associated
with the use of the Product, purchaser is advised to return the Product immediately in new and unused
condition to the place of purchase.
Law
These terms are governed by Illinois law (without regard to confl ict of law principals). This warranty gives you
specifi c legal rights, and you may also have other rights which vary from state to state. Horizon reserves the
right to change or modify this warranty at any time without notice.
WARRANTY SERVICES
Questions, Assistance, and Services
Your local hobby store and/or place of purchase cannot provide warranty support or service. Once assembly,
setup or use of the Product has been started, you must contact your local distributor or Horizon directly. This will
enable Horizon to better answer your questions and service you in the event that you may need any assistance
For questions or assistance, please visit our website at www.horizonhobby.com, submit a Product Support
Inquiry, or call the toll free telephone number referenced in the Warranty and Service Contact Information
section to speak with a Product Support representative.
Inspection or Services
If this Product needs to be inspected or serviced and is compliant in the country you live and use the
Product in, please use the Horizon Online Service Request submission process found on our website or
call Horizon to obtain a Return Merchandise Authorization (RMA) number. Pack the Product securely using
a shipping carton. Please note that original boxes may be included, but are not designed to withstand the
rigors of shipping without additional protection. Ship via a carrier that provides tracking and insurance for
lost or damaged parcels, as Horizon is not responsible for merchandise until it arrives and is accepted
at our facility. An Online Service Request is available at http://www.horizonhobby.com/content/service-
center_render-service-center. If you do not have internet access, please contact Horizon Product Support
to obtain a RMA number along with instructions for submitting your product for service. When calling
Horizon, you will be asked to provide your complete name, street address, email address and phone
number where you can be reached during business hours. When sending product into Horizon, please
include your RMA number, a list of the included items, and a brief summary of the problem. A copy of
your original sales receipt must be included for warranty consideration. Be sure your name, address, and
RMA number are clearly written on the outside of the shipping carton.
NOTICE:
Do not ship LiPo batteries to Horizon. If you have any issue with a LiPo battery, please
contact the appropriate Horizon Product Support offi ce.
Warranty Requirements
For Warranty consideration, you must include your original sales receipt verifying the proof-of-purchase
date. Provided warranty conditions have been met, your Product will be serviced or replaced free of
charge. Service or replacement decisions are at the sole discretion of Horizon.
Non-Warranty Service
Should your service not be covered by warranty, service will be completed and payment will be required
without notifi cation or estimate of the expense unless the expense exceeds 50% of the retail purchase
cost. By submitting the item for service you are agreeing to payment of the service without notifi cation.
Service estimates are available upon request. You must include this request with your item submitted
for service. Non-warranty service estimates will be billed a minimum of ½ hour of labor. In addition you
will be billed for return freight. Horizon accepts money orders and cashier’s checks, as well as Visa,
MasterCard, American Express, and Discover cards. By submitting any item to Horizon for service, you
are agreeing to Horizon’s Terms and Conditions found on our website http://www.horizonhobby.com/
content/service-center_render-service-center.
ATTENTION:
Horizon service is limited to Product compliant in the country of use and ownership.
If received, a non-compliant Product will not be serviced. Further, the sender will be responsible
for arranging return shipment of the un-serviced Product, through a carrier of the sender’s choice
and at the sender’s expense. Horizon will hold non-compliant Product for a period of 60 days from
notifi cation, after which it will be discarded.
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