Spektrum
3S 11.1V 300mAh 30C LiPo Battery RCY
3S 11.1V 300mAh 30C LiPo Battery RCY
SKU:SPMX3003SJ30
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The Spektrum 11.1 V 300 mAh 3-cell LiPo battery is a compact powerhouse tailored for UMX 3S RC aircraft. With a consistent 30 C discharge and ready-to-use JST-RCY connector, it delivers reliable burst power in an ultra-lightweight form.
Features
- 30 C continuous discharge rating permits up to 9 A sustained output
- Compact soft-case design is ideal for tight on-board battery compartments
- Pre-installed JST-RCY plug ensures quick, solder-free connections
Included
- One 11.1 V (3-cell) 300 mAh 30 C LiPo battery with JST-RCY connector
What You’ll Need
- A LiPo charger with balance capability
Specifications
- Voltage: 11.1 V (3-cell / 3S LiPo)
- Capacity: 300 mAh
- Continuous Discharge Rating: 30 C (~9 A)
- Connector: JST-RCY
- Maximum Charge Rate: 3 C (~0.9 A)
- Discharge Lead Length: approx 51 mm (2 in)
- Dimensions: Length 42 mm (1.65 in), Width 19 mm (0.74 in), Height 18 mm (0.7 in)
- Weight: approx 24.5 g (0.86 oz)
- Recommended Use: UMX 3S aircraft

Frequently Asked Questions
When will my order be shipped?
Orders placed before our daily cut-off time are usually shipped the same or next working day.
You’ll receive tracking details as soon as the courier collects your parcel.
How long will delivery take?
South African deliveries typically arrive within 1–3 working days, depending on your location.
International delivery times vary based on the destination and courier service.
Can I collect my order?
Yes. Collection is available from our Somerset West showroom during business hours.
Where are you based?
We’re based in Somerset West, Cape Town, South Africa, and ship throughout South Africa and worldwide.
Do you ship worldwide?
Yes — we offer worldwide shipping.
What payment methods do you accept?
We accept secure online payments, including card payments, instant EFT, PayPal, and other major South African payment methods.
In-store card payments are available via Yoco.
Will I receive a tracking number?
Yes. Tracking information is emailed automatically once your order has been dispatched.
Do the products include a warranty?
Most items include a manufacturer-backed warranty.
Warranty terms vary by brand and product type.
Can I get help choosing the right product?
Yes — we’re happy to help with recommendations, compatibility questions, and general advice.
Do you offer support after purchase?
Absolutely. We provide assistance with troubleshooting, part guidance, and setup help where possible.
Is my order safely packaged?
All items are securely packaged to minimise the risk of damage during transit.
Can I change or cancel my order?
If your order hasn’t been shipped yet, we can usually assist with changes or cancellations.
Please contact us as soon as possible.
Do you offer dealer or wholesale pricing?
Yes — eligible retailers can apply for a dealer account.