Overview
This 2-pack Ovonic hardcase LiPo battery set is a 3S1P 11.1V 5200mAh (57.72Wh) power option with an EC3 discharge plug for compatible 1/10 RC cars and RC boats. It can also be used in other RC/FPV models when voltage, dimensions, weight, and connector type match.
Key Features
- Hardcase design (#13 hard case)
- 3S1P LiPo (11.1V nominal)
- 5200mAh capacity
- 50C discharge rate, 100C max burst discharge rate
- EC3 discharge plug
- Energy rating shown on label: 57.72Wh
Specifications
| Brand | Ovonic |
| Battery type | Lithium polymer (LiPo) |
| Cell configuration | 3S1P |
| Voltage | 11.1V |
| Capacity | 5200mAh |
| Energy | 57.72Wh |
| Discharge rate | 50C |
| Max burst discharge rate | 100C |
| Discharge plug | EC3 Plug |
| Net weight (dev.20g) | 369.6g (for one pack) |
| Length (dev.5mm) | 138mm |
| Width (dev.2mm) | 46mm |
| Height (dev.2mm) | 39mm |
Compatibility
- Designed for 1/10 RC car use with EC3 plug (fit depends on battery tray size).
- #13 hard case may not fit battery compartments with fixed thickness (example mentioned: LOSI).
- Can also be used for RC airplanes, RC helicopters, RC boats (example mentioned: 29-inch Blackjack), drones, and FPV when voltage, weight, dimensions, and plug match.
What's Included
- 2 x Ovonic 3S 11.1V 5200mAh 50C LiPo Battery Pack (EC3 Plug)
- 1 x User Manual
Charging & Safety Notes
- Battery fit depends on matching voltage and plug.
- Stop charging immediately when any cell reaches 4.2V (normal cell voltage is between 3.7V and 4.2V).
- Before first use, check the battery surface condition and confirm the voltage is normal.
- If a new battery will not hold a full charge or loses charge quickly, use a balance charger and cycle it several times.
For product selection or after-sales support, contact [email protected] or visit https://rcdrone.top/.
Details

A durable hardcase 3S LiPo option for compatible 1/10 RC cars and RC boats, using an EC3 discharge plug and 5200mAh capacity.
