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Compact E-flite® Thrust™ Series Lithium Polymer Batteries feature lightweight construction in an optimized configuration specifically designed for FPV racers who fly 150- to 285-size quadcopters that operate with a 4S pack.

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Thrust 14.8V 1300mAh 35C 4S Battery: EC3

Key Features

  • Powerful 35C continuous discharge rating
  • Available in four capacities; 850, 1000, 1300 and 1800mAh
  • Race-ready 4-cell configuration
  • Heavy-duty lead wire with durable silicone insulation
  • Lightweight for optimum flight performance
  • Flexible silicone insulated balance wires
  • Compact construction with ultra-short leads
  • No soldering required
  • Assembled with EC3 main and JST balance plugs
  • The ideal battery choice for the Blade® Vortex 250 Pro FPV quad-racer

Overview

The E-flite® brand is proud to introduce a new series of 4S Li-Po battery packs specifically built for the FPV Racer. Thrust Series FPV Racing batteries are ideal for the racing platforms from 150- to 285-size such as the Blade® Vortex 250 Pro that demands the power 4S, 14.8V Li-Po packs can provide.

Compact E-flite® Thrust Series lithium polymer batteries are rated at 35C to offer an excellent power-punch without a major weight penalty. Four capacity sizes are available from 850mAh to 1800mAh with the 1000mAh and 1300mAh packs rounding out the middle of the range. These batteries come with the popular EC3 connector with silicone insulated wire for a level of durability that can be appreciated at all performance levels. The output and balance leads are short to make installation on FPV racers as sleek as possible. Like the popular line of E-flite® High-Power Li-Po batteries, its JST-XH balance connector is compatible with a wide range of popular chargers such as those from Orion® and Dynamite®. A 3C charge rating means that these batteries can be fast charged safely. If you're looking for a compact 4S Li-Po pack to suit your electric powered aircraft, choose an E-flite Thrust Series battery and go for it!

Application: FPV Racing Quadcopter
Battery Balance Connector: JST_XH
Battery Type: Li-Po
Battery Voltage: 14.8V
Capacity: 1300mAh
Cell Configuration: 4S1P
Charge Protection Circuitry: No
Connector Type: EC3
Hard Case: No
Height: 1.48 in (37.5mm)
Length: 2.75 in (70mm)
Maximum Charge Current: 3.0A
Maximum Charge Rate: 3C
Maximum Continuous Discharge Current: 45.5A
Maximum Continuous Discharge Rate: 35C
Normal/Standard Charge Current: 1.3A
Normal/Standard Charge Rate: 1C
Shape: Rectangular
Watt Hours: 19.240Wh
Weight: 5.47 oz (155 g)
Width: 1.26 in (32mm)
Wire Gauge: 12 AWG

Manuals

FAQs

LI-PO Do's and Don'ts

DO: Use a charger that is specifically designed to charge Li-Po batteries. Using chargers that are not Li-Po-specific can be an extreme fire hazard.

DO: Li-Pos don't develop memory or voltage depression characteristics like Ni-Cds. Charge them without the worry of cycling or discharging them first.

DO: Store Li-Pos at least partially charged. Li-Pos will maintain their performance levels over time, even during non-use, much better than Ni-Cds, and there's no need to cycle them.

DON'T: Never fully discharge your Li-Po battery pack. Most electronic speed controls have a voltage cutoff that will prevent over-discharging the battery, but were designed for Ni-Cd & Ni-MH batteries. Be sure that your ESC features the proper Li-Po cut off voltage of 3V per cell (6V for 2-cell packs, 9V for 3-cell packs and so on). Discharging a Li-Po cell beyond its critical minimum voltage will cause damage to the battery.

DON'T: Shorting a Li-Po pack for even an instant can cause damage to the battery. Whether the pack has been shorted when new, while adding or changing the connector, when fully charged or fully discharged, the pack should not be charged without extreme caution. Be sure to take care when soldering connectors and during handling or charging to prevent shorts.

DON'T: If you have a crash and the battery is damaged, don't put the battery in your car or house immediately after a crash. It's possible that a chemical reaction can take place in the damaged battery that could cause a fire. Put the battery in a safe place for at least one hour.

What is a typical Li-Po pack's voltage?

Li-Po packs are available in 2- and 3-cell varieties (Thunder Power packs are also available in 4-cell and 5-cell models). Each cell in the pack has a nominal voltage of 3.7V and multi-cell packs are wired in series.

2-cell pack = 7.4V

3-cell pack = 11.1V

4-cell pack = 14.8V

5-cell pack = 18.5V

What is the "C" rating for?

A "C" or "current" rating indicates the maximum recommended average discharge current for that pack and is used to help you determine the maximum discharge rate. To determine the maximum discharge rate, multiply the "C" rating by the pack capacity (i.e. 1900mAh cell x 6C rating = maximum discharge rate of 11,400mA or 11.4A).

What is the "S" number for?

The "S" number indicates the number of cells in series. For instance, 2S indicates a 2 series (2-cell) pack.

What is the "P" number for?

Larger packs use the "P" number to indicate the number of cells in parallel. For instance 3S2P indicates the pack is built with 2 cells in parallel, then 3 sets of the 2 parallel cells are joined in series.

Can I use my regular peak charger to charge Li-Po packs?

Li-Po batteries require a very different charge method than Ni-Cd or Ni-MH cells and can catch fire if charged with a standard, non-Li-Po charger. Li-Po batteries do not "peak" when fully charged and require a "constant current/constant voltage" capable charger.

Why are some models available with or without a JST connector?

JST connectors have become the standard on many electronic speed controls and chargers for slow flyer and park flyer applications. While it's true that the JST connector does have a discharge output limitation, it is still the first choice of beginning modelers or those who do not discharge at very high rates.

Product Support Tips

Product Support

Technical questions about this E-flite product should be directed to Horizon Hobby's Product Support Department:

Horizon Hobby, LLC.
ATTN: Product Support

4105 Fieldstone Road
Champaign, IL 61822


To place a Horizon Hobby Support Inquiry please visit our Inquiry Form Support Phone:(877) 504-0233
Fax:(217) 355-1552

Sales Support

If you would like to purchase this product, please go to the Store Locator or contact the Horizon Hobby Consumer Sales Department:

Horizon Hobby, LLC.
ATTN: Consumer Sales

4105 Fieldstone Road
Champaign, IL 61822
Email: Sales Phone:(800) 338-4639
Fax:(217) 355-1552