Your Cart: €0.00

Spend €117.00 more for free shipping!

View Cart and Checkout
Free UK shipping over £100
Change currency to GBP £ GBPChange currency to EUR € EuroChange currency to USD $ USD
Li-Po 3S 11.1V 300mAh 45C with JST — image 1 of 5
Li-Po 3S 11.1V 300mAh 45C with JST — image 2 of 5
Li-Po 3S 11.1V 300mAh 45C with JST — image 3 of 5
Li-Po 3S 11.1V 300mAh 45C with JST — image 4 of 5
Li-Po 3S 11.1V 300mAh 45C with JST — image 5 of 5
Li-Po 3S 11.1V 300mAh 45C with JST
Li-Po 3S 11.1V 300mAh 45C with JST
Li-Po 3S 11.1V 300mAh 45C with JST
Li-Po 3S 11.1V 300mAh 45C with JST
Li-Po 3S 11.1V 300mAh 45C with JST
Back in Stock

Gens Ace 3S 11.1V 300mAh 45C LiPo JST – O-G3S0300-45JST

Brand: Gens Ace

Part No: O-G3S0300-45JST

€11.57 RRP €12.86

In Stock: Usually ships same day

Collect Instore

Finance options available at checkout.

Request Price Match Ask a Question Write a Review

Frequently Bought With

Other items customers often buy with the Li-Po 3S 11.1V 300mAh 45C with JST

E Flite Conscendo UMX - BNF Basic AS3X E Flite Conscendo UMX - BNF Basic AS3X
€210.59
Gens Ace Mini Car LiPo - 3S 11.1V 200mAh 30C with JST Gens Ace Mini Car LiPo - 3S 11.1V 200mAh 30C with JST
€10.52
E Flite Turbo Timber Evolution UMX AS3X - BNF Basic E Flite Turbo Timber Evolution UMX AS3X - BNF Basic
€210.59

Description

The Gens Ace Li-Po 3S 11.1V 300mAh 45C with JST (part number O-G3S0300-45JST) is a compact 3S1P LiPo battery pack featuring a JST-SYP plug. Designed with a focus on excellent quality and optimisation, it offers dependable power delivery in a lightweight form factor.

Gens Ace draws on extensive battery engineering experience to provide consistent performance for a wide range of RC applications where size and weight are key considerations.

Key Specifications

  • Capacity: 300mAh
  • Voltage: 11.1V (3S)
  • Cell Configuration: 3S1P
  • Discharge Rate: 45C
  • Connector: JST-SYP plug
  • Length: 40mm
  • Width: 21mm
  • Height: 17mm
  • Weight: 26g
Free Shipping

On UK Orders over £100
Happy to Help

Helpful, friendly advice
28 Day Returns

Easy returns process
Secure Payments

Secured by Stripe

Specifications

Gens ace 300mAh 11.1V 45C 3S1P Lipo Battery Pack with JST-SYP Plug is one of the top rank battery corporations with deep research and manufacturing on NIMH; LI-PO; LI-FE by the effort of 200 professional engineers and technicians with 20 years of exquisite battery technology. The Gens Ace brand holds the traditional concept of "excellent quality"; "Optimization" & "Priority" in Sales & Services. All batteries are tailored for various scales of the RC Models such as electronic cars; aero planes; vessels and other models; toys; electric tools; electric bikes; electric autos; digital products; etc.


Li-Po 3S 11.1V 300mAh 45C with JST Specifications

  • Weight: 26g
  • Height: 17mm
  • Length: 40mm
  • Width: 21mm


Key Info:
  • Brand: Gens Ace
  • Part No: O-G3S0300-45JST
  • Barcode: 6928493307380
  • Voltage: 3S - 11.1v
  • Connector: BEC / JST
  • Case Type: Soft Case

Delivery & Returns

Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

Available at checkout

Customer Reviews

No specific product reviews yet, why not write one?
Write a Review
All reviews are subject to moderation

Questions & Answers

Real questions from real customers. Why not ask your own?
Hi, Can you please confirm if this Lipo: O-G3S0300-45JST will fit in the UMX Conscendo? Thanks James
James / 24th June 2026
Yes that would work fine.
Steve @ Wheelspin Models
Ask a Question
Get early access to deals and new arrivals.
Use this form to ask us a quick one sentence question about this specific product. Do not enter anything you would not like displayed on our site.

For more in depth queries, please contact us.