Overview
The Ovonic 2S 3500mAh 7.4V 120C HardCase LiPo battery (2-pack) is a compact hardcase LiPo battery pack designed for RC car and truck use where impact protection and high discharge capability are required. It uses a 2S1P (2-cell) configuration and comes pre-terminated with 5.0mm bullet connectors to a Deans-style T-Plug, plus a JST-XH balance connector.
For product selection or compatibility questions, contact https://rcdrone.top/ or [email protected].
Key Features
- Hardcase protection: Impact-resistant hardcase shell for use in rugged RC environments.
- High discharge rating: 120C continuous discharge rate.
- Connector setup: 5.0mm bullet to Deans-style T-Plug for high-current RC power systems.
- Balance lead: JST-XH balance connector for 2S balancing.
- Built-in copper tube: Listed on product graphics.
- Cell chemistry note: Listed as âLiCoO2 stackingâ in the provided description.
Performance graphics (manufacturer-stated percentages)
- Comparison chart (Others vs Ovonic): Energy Density 75% vs 96%; Lower Internal Resistance 70% vs 86%; Safety 75% vs 95%; Cycle Life 60% vs 91%; Discharge Capacity 65% vs 82%.
- Performance improvement graphic (Stacking Technology vs Winding Technology): Higher Energy Density +6%; Longer Running Time +12%; Lower Battery Swelling -8%; Lower Internal Resistance -4%.
Specifications
| Brand | Ovonic |
| Battery type | Lithium Polymer (LiPo), HardCase |
| Configuration | 7.4V / 2S1P / 2 cells |
| Capacity | 3500mAh |
| Voltage | 7.4V |
| Discharge rate | 120C (continuous) |
| Energy | 25.9Wh |
| Main connector | 5.0mm bullet to Deans-style T-Plug |
| Balance connector | JST-XH |
| Dimensions (L x W x H) | 95.8 x 46.5 x 22.3 mm (3.77 x 1.83 x 0.88 in) |
| Net weight (per pack) | 175 g (0.38 lb) |
| Pack quantity | 2-Pack |
| Label markings | CAR; HV |
What's Included
- 2 x Ovonic 2S 3500mAh 7.4V 120C HardCase LiPo Battery (5.0mm bullet to T-Plug)
- 2 x Ovonic brand stickers
- 1 x User manual
Applications
- 1/10 and 1/12 scale RC cars and buggies (short-pack style battery slots)
- RC rock crawlers and bashers
- RC airplanes and helicopters (2S power setups)
- FPV models and boat models (noted on product graphics; plug compatibility depends on the required connector)
Safety Notes
- Use a dedicated LiPo balance charger and select the correct cell count (2S).
- Never charge unattended or exceed a maximum charge rate of 1C.
- Inspect the hardcase seams and connector ports for debris or cracking before and after use.
- Store in a fireproof LiPo safety bag at recommended storage voltage: 3.8Vâ3.85V per cell.
- Keep battery packs away from high heat, direct sunlight, and moisture.
Details

Compact 2S1P hardcase pack rated 3500mAh at 7.4V with a 120C continuous discharge for high-demand RC setups.

Brand graphics highlight higher energy density, lower internal resistance, improved safety, longer cycle life, and stronger discharge capacity versus typical packs.

Stacking-technology design is presented with gains in energy density and runtime and reductions in swelling and internal resistance.


The 2-pack includes two hardcase batteries plus the packaging box, user manual, and Ovonic stickers.
