Overview
Ovonic 3300mAh 3S (11.1V) 50C LiPo battery pack is designed to deliver reliable, high-discharge power for RC airplanes and helicopters, and can also be used in suitable RC car/truck setups that match the voltage and connector requirements. It features an EC3 discharge plug and a JST-XHR-4P balance/charge plug, with a soft-case pack construction.
Key Features
- High discharge output: 50C discharge rate with up to 100C max burst discharge rate.
- 3S1P configuration: 11.1V Li-polymer pack for strong throttle response and consistent power delivery.
- Connectors: EC3 discharge plug and JST-XHR-4P charge/balance plug.
- Soft case: Soft-case pack format.
- Performance notes on product artwork: “+12% Longer Running Time”, “-5% Lighter Weight”, “-4% Lower Resistance”, and “ISO International Quality Certification”.
Specifications
| Brand | Ovonic |
| Chemistry | Li-polymer |
| Configuration | 3S1P |
| Voltage | 11.1V |
| Capacity | 3300mAh |
| Discharge Rate | 50C |
| Max Burst Discharge Rate | 100C |
| Battery Weight | 228g / 0.50lb |
| Size (L x W x H) | 106 x 34 x 29 mm (4.1 x 1.3 x 1.1 inch) |
| Discharge Plug | EC3 |
| Charge/Balancer Plug | JST-XHR-4P |
| Pack Type | Soft Case |
Applications
- RC planes & helis (examples listed): Blade 360 CFX, Blade 350 QX3, LOGO 480 XXtreme Kit, FMS 1400mm (55.1") B25 Mitchell, Radian XL 2.6m BNF Basic (EFL5550), T-rex 500, Protech Stylus, E-Flite Carbon Z Yak54, Funjet Ultra (pulling 80A), Parkzone Habu, Phase3 EF-16, ParkZone P-51, Sebart Katana 30, Edge 540, Extra300, Embry Riddle Eagle 580, Vanquish, Matt Chapman 50", AJ Slick 51", Kyosho Edge.
- RC car/truck (example listed): 1/10 truck
For best results, confirm the model’s battery bay size, required connector type (EC3), and voltage support (3S/11.1V) before purchase.
What's Included
- 1 x Ovonic 3300mAh 11.1V 50C 3S LiPo Battery Pack (EC3)
- 2 x Brand stickers
- 1 x User manual
- 1 x Packing box
Charging & Use Notes
- Use a compatible LiPo balance charger for 3S packs.
- Ensure compatibility with both voltage and plug specifications for proper fit.
- Stop charging immediately upon reaching 4.2V per cell (normal voltage range: 3.7V to 4.2V).
- Inspect battery condition before each use.
- If a new battery does not hold a full charge or loses charge rapidly, use a balance charger and cycle it several times.
For product selection help or after-sales support, contact https://rcdrone.top/ or email [email protected].
Details

Built for high-discharge RC power, with a 3S 11.1V setup, 50C rating, and EC3 discharge connector.

A reliable fit for many RC airplanes and helicopters that accept 3S (11.1V) packs and an EC3 connector.

Product artwork highlights efficiency-focused performance targets like longer runtime and lower internal resistance.

Included in the box: the battery pack, brand stickers, a user manual, and the packing box for storage.

Designed for strong output under load, with a discharge curve comparison and cycle-life benefits highlighted.

Specs at a glance: 3S1P 3300mAh (11.1V) soft-case pack, 228g weight, EC3 discharge plug, and JST-XHR-4P balance lead.
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