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Spektrum 800mAh 3S 11.1V 50C LiPo Battery - JST Connector ** CLEARANCE **

Spektrum 800mAh 3S 11.1V 50C LiPo Battery - JST Connector ** CLEARANCE **

Brand: Spektrum

Part No: SPMX8003SJ50

£19.25 RRP £27.50

In Stock: Usually ships same day

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The Spektrum 800mAh 3S 11.1V 50C LiPo Battery with JST connector (SPMX8003SJ50) is a compact, lightweight pack tailored for air applications. Delivering 8.88Wh in a small footprint, it features a JST main lead and JST-XH balance tap for straightforward hookup and maintenance. Measuring 58 x 29 x 20 mm and weighing around 70 g, it suits models where space and weight are critical. Standard charge is 1C (0.8A), with up to 3C maximum per the manufacturer.

Key Specifications

  • Capacity: 800mAh; Voltage: 11.1V (3S LiPo, 3.7V per cell)
  • Maximum burst discharge rate: 50C
  • Main connector: JST; Balance connector: JST-XH
  • Wire gauge: 18 AWG
  • Dimensions (L x W x H): 58 x 29 x 20 mm
  • Weight: 70 g (approx. 2.46 oz)
  • Watt hours: 8.88Wh
  • Charge rate: 1C (0.8A) standard; up to 3C maximum
  • Case: Non-hardcase; Cell configuration: Saddle
  • Intended application: Air
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Spektrum 800mAh 3S 11.1V 50C LiPo Battery - JST Connector Specfications:

  • Normal/Standard Charge Current: 0.8A
  • Watt Hours: 8.88Wh
  • Normal/Standard Charge Rate: 1C
  • Product Width: 1.14" (29 mm)
  • Connector Type: JST
  • Maximum Charge Rate: 3C
  • Product Length: 2.28" (58 mm)
  • Battery Balance Connector: JST_XH
  • Number of Cells: 3S
  • Wire Gauge: 18 AWG
  • Battery Voltage: 11.1V
  • Application: Air
  • Cell Configuration: Saddle
  • Output Connector: JST
  • Product Weight: 70g (2.46oz)
  • Hard Case: No
  • Maximum Burst Discharge Rate: 50C
  • Maximum Continuous Discharge Rate: 2.4A
  • Product Height: 0.78" (20 mm)
  • Battery Type: LiPo (3.7V per cell)
  • Capacity: 800mAh



Key Info:
  • Brand: Spektrum
  • Part No: SPMX8003SJ50
  • Barcode: 605482717080
  • Voltage: 3S - 11.1v
  • Connector: BEC / JST
  • Fitment: Option Part
  • Case Type: Soft Case
Standard Shipping

£3.95 to most of the UK

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£6.95 to most of the UK

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Questions & Answers
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Hi will this battery work with umx pitts. Also what’s the budget friendly charger for this battery? Thanks Kian W
Kian / 1st December 2023

No this will not work,  you could use this charger ET0223

Steve @ Wheelspin Models
Hi I have a blade 230smart it takes 850 smart batteries will your 850 ma 3 cell lips be ok and do you sell the adapter
Derek Chambers / 9th June 2022

This is the adaptor to use batteries with jst connectors

SPMXCA322

Steve W @ Wheelspin Models
Hi I received my blade 230 today and need sun new battery’s for it but this one looks different to the one that came with it and you please advise on battery’s and charger for this thanks sean
Sean / 15th May 2021

These are the replacement for EFLB8003SJ30

Ben @ Wheelspin Models
Can I use a traxxas easy plus lipo charger for this battery or will I need a new one. If so what make / model please. Thanks
Malcolm Cameron / 22nd March 2021

A Traxxas ID charger won't do this I'm afraid (or certainly not easily).

A basic charger would be say ET0223

Ben @ Wheelspin Models
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