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4000mAh 2S 7.4V LiPo Receiver Battery
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Application: Receiver
Balance Lead Length: 7.5cm
Battery Balance Connector: JST_XH
Battery Type: LiPo
Battery Voltage: 7.4V
Capacity: 4000mAh
Cell Configuration: 2S1P
Charge Protection Circuitry: No
Connector Type: EC3,Receiver
Discharge Lead Length: 22cm
Hard Case: No
Height: 1.14 in (29mm)
Length: 2.74 in (69.5mm)
Maximum Charge Current: 12A
Maximum Charge Rate: 3C
Maximum Continuous Discharge Rate: 15C
Normal/Standard Charge Current: 4
Normal/Standard Charge Rate: 1C
Number of Cells: 2
Shape: Rectangular
Watt Hours: 29.6Wh
Weight: 7.1 oz (200 g)
Width: 1.86 in (47.25mm)
Wire Gauge: 16 AWG

Battery Safety Sheet


Will my JR receiver battery work with other systems?

Yes, JR receiver batteries have a universal type connector and is compatible with most current radio systems.

Can a battery be used after it was charged with polarity reversed?

This depends on the age and condition of the battery, performance may be lessened. Contact JR's Service Center if you're unable to determine the condition of your battery.

Does a JR receiver with a Futaba transmitter?

No. they are not compatible with one another.

Product Support Tips

Product Support

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

Horizon Hobby, LLC.
ATTN: Product Support

2904 Research 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

2904 Research Road
Champaign, IL 61822
Email: Sales Phone:(800) 338-4639
Fax:(217) 355-1552