Spektrum 11.1V 300mAh 3S 30C LiPo Battery - JST Connector

Brand: Spektrum

Part No: SPMX3003SJ30

£21.38 ~~RRP £22.50~~

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The Spektrum 11.1V 300mAh 3S 30C LiPo Battery with JST-RCY connector delivers dependable power in a compact, lightweight pack. Part number SPMX3003SJ30 provides a 30C continuous rating with up to 9A continuous discharge, a 0.9A (3C) maximum charge rate, and a 51 mm discharge lead to suit tight installs. Measuring 42 x 19 x 18 mm and weighing approximately 24.5 g, it is well suited to small airframes.

Key Specifications

Voltage: 11.1V (3S)
Capacity: 300mAh
Battery Type: LiPo (3.7V per cell)
Connector: JST-RCY
Maximum Continuous Discharge: 30C (9A)
Maximum Burst Discharge: 30C
Maximum Charge Rate: 0.9A (3C)
Discharge Lead Length: 51 mm (2")
Dimensions (L x W x H): 42 x 19 x 18 mm
Weight: 24.5 g
Number of Cells: 3

Suggested Compatibility

UMX 3S aeroplanes

What’s Included

1x Spektrum 300mAh 3S 11.1V 30C LiPo Battery: JST Connector

Required to Complete

Compatible charger
JST-RCY charge lead

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Spektrum 11.1V 300mAh 3S 30C LiPo Battery - JST Connector Specfications:

Battery Voltage: 11.1V
Connector Type: JST-RCY
Discharge Lead Length: 2" (51 mm)
Maximum Charge Rate: 0.9 Amps (3C)
Product Length: 1.65" (42 mm)
Maximum Burst Discharge Rate: 30C
Maximum Continuous Discharge Rate: 30C
Product Height: 0.7" (18 mm)
Number of Cells: 3
Battery Type: LiPo (3.7V per cell)
Capacity: 300mAh
Maximum Continuous Discharge Current: 9 Amps
Product Width: 0.74" (19 mm)
Application: UMX 3S airplanes
Product Weight: 24.5g

In The Box

(1) Spektrum 300mAh 3S 11.1v 30C LiPo Battery: JST Connector

Needed to Complete

(1) Compatible Charger
(1) JST-RCY Charge Lead

Key Info:

Brand: Spektrum
Part No: SPMX3003SJ30
Barcode: 605482153857
Voltage: 3S - 11.1v
Connector: BEC / JST
Fitment: Option Part
Case Type: Soft Case
Fitment: Standard Part

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Questions & Answers

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Does a Spektrum 11.1V 300mAh 3S 30C LiPo Battery - JST Connector fits the E-flite Conscendo UMX from you. I have just bought one from you, thinking my 3S LiPo's would fit!!! TIA

Dean Hunter / 15th January 2025

You require a 280-300mah 2-3s lipo with jst connector so that should be fine.

Rich @ Wheelspin Models

Can i use the arrows pioneer usb charger to charge this battery? Thanks kian

Kian / 30th November 2023

No the arrow hobbies is 2s lipo only this is 3s so you need this really ET0223 that will then do 2s 3s and 4s lipos.

Steve @ Wheelspin Models

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