Round LiPo batteries, commonly referred to as cylindrical or round cell packs, are favored for compact fits, steady power delivery, and versatile applications across RC cars, drones, airplanes, and other hobby models. This guide highlights five reliable round LiPo options, detailing specs, compatibility notes, and practical considerations to help you choose the right cell for your build.
Summary of selected products
| Product | Brand | Voltage / Configuration | Capacity | Key Plug Type | Notes |
|---|---|---|---|---|---|
| Nihewo 2S 6500mAh | Nihewo | 7.4V (2S) | 6500mAh | TR/EC5 | Hard case, high discharge, two-pack |
| OVONIC 2S 450mAh | OVONIC | 7.4V (2S) | 450mAh | JST-XHR-3P / JST | Soft case, compact, 50C |
| Zeee 2S 5200mAh | Zeee | 7.4V (2S) | 5200mAh | T Connector | Hard case, 50C |
| Zeee 3S 2200mAh | Zeee | 11.1V (3S) | 2200mAh | XT60 | Shorty pack, multiple RC uses |
| Crazepony 11.1V 2000mAh | Crazepony | 11.1V (3S) | 2000mAh | Mini Tamiya / JST XH | Airsoft and RC compatibility |
Nihewo 2S 6500mAh Round LiPo Battery Pack (2 Pack)
Two-pack Nihewo 2S 7.4V LiPo batteries deliver extended runtime for RC cars, trucks, boats, and airplanes. Each battery weighs around 304 g and uses a hard case with a TR plug and EC5 discharging connector. These 2S cells have a nominal 7.4V with a 6500mAh capacity and a 50C discharge rating, balancing power and endurance for demanding runs.
Key specs include a compact footprint: 5.47×1.85×0.98 inches, enabling use in tighter chassis. The 2S1P configuration provides a straightforward, consistent power source for vehicles that demand reliable punch and longer sessions between charges. Always verify fitment with your model’s dimensions and connector compatibility before purchasing.
Applications: suitable for RC cars, boats, planes, and small-scale models that require higher capacity without adding significant weight. Safety features include a hard-case construction to resist punctures and maintain integrity during impact.
OVONIC 2S LiPo Battery 450mAh 7.4V Pack
This OVONIC 2S LiPo pack offers a compact option for small RC aircraft, drones, and micro RC vehicles. With a 450mAh capacity and a 50C discharge rating, it balances power delivery with lightweight design. The package uses a soft case and features JST-XHR-3P connectors for charging and a JST discharge interface. The dimensions are approximately 55×30×7 mm, and weight is around 30 g, making it ideal for tight installations where space is at a premium.
Considerations include compatibility with equipment connectors and flight controllers. OVONIC emphasizes ISO quality certification and LiCoO2 materials, contributing to safer operation and a stable cycle life. For models requiring quick swaps or frequent flight sessions, this 2S cell provides dependable performance without excessive bulk.
AKZYTUE 3.7V 40mAh 301020 Lipo Battery
AKZYTUE offers a tiny 3.7V 40mAh LiPo cell in a 301020 form factor with PH2.0mm JST connectors. This battery is suitable for small devices and micro projects that require a compact, low-capacity energy source. It is critical to match connector type, polarity, and battery size to your device to avoid damage. Weight is very light, and dimensions are compact, aiding ultra-miniature applications such as small electronics or wearable prototypes where weight and space are critical.
Usage guidance: verify device compatibility and polarity before installation. The 3.7V rating means you should pair it with devices designed for single-cell LiPo power or specific circuit configurations that accept such cells. Safety practices include proper charging with compatible chargers and avoiding over-discharge.
Zeee 7.4V 5200mAh LiPo Battery (2S) Hard Case
The Zeee 2S 5200mAh LiPo battery features a hard case and a 50C discharge rating, offering solid endurance for 1/8 and 1/10 scale RC cars and trucks. Its dimensions are 138×47×25 mm, with a weight around 250 g. The battery configuration is 2S1P, delivering a stable 7.4V power suitable for high-performance RC models. A T-Connector plug provides a reliable power interface, and the larger 5200mAh capacity helps extend run times for longer sessions on the track or course.
Safety and fitment notes: verify chassis clearance and connector compatibility with your model. The 2S configuration is common, but check that the plug type and dimensions match your RC system to prevent fitting issues or power delivery problems.
Zeee 3S 2200mAh Shorty LiPo Battery
This Zeee 3S 2200mAh pack provides an 11.1V supply in a compact shorty form factor, making it well-suited for space-limited RC cars, planes, or boats that require higher voltage in a smaller footprint. With a 50C discharge rating and an XT60 connector, it supports a range of RC models. Dimensions measure 75×34×26.5 mm and weight is about 137 g, offering a balance of voltage, capacity, and compactness for tight builds where space is a premium.
As with any 3S pack, ensure the model supports 11.1V operation and verify connector compatibility (XT60) with your charger and ESC. Shorty configurations are popular for their compact profile and high power in tight spaces.
Crazepony 11.1V 2000mAh Airsoft LiPo Battery
The Crazepony 3S LiPo battery targets airsoft and RC use with a Mini Tamiya and JST XH connector. At 11.1V and 2000mAh with a 30C discharge, this pack is designed for moderate power needs and is suitable for certain airsoft rifles, RC cars, and drones that accept Mini Tamiya connectivity. Dimensions are compact at 105×20×15 mm, and weight is around 69 g, supporting lightweight setups that still require robust LiPo performance for sustained action.
Consider connector compatibility and your device’s voltage range. The Mini Tamiya connector is common in airsoft and some RC components, but always confirm compatibility with your specific model and charging equipment to avoid damage or malfunction.
OVONIC 3S LiPo Battery 1400mAh 11.1V
The OVONIC 3S 1400mAh LiPo pack provides 11.1V power in a soft-case configuration with XT60 plus TRX connectors. Weighing about 116 g, it balances capacity with a compact form factor for RC airplanes, quadcopters, and multi-motor models requiring 3S power. The 350-cycle life claim and ISO certification indicate a focus on safety and durability. Dimensionally, this pack measures 86×33×18 mm, a suitable fit for mid-sized builds that need reliable voltage and current delivery for longer flying sessions.
Buying Guide: Round LiPo Battery Cells
Performance factors to consider include capacity (mAh), discharge rating (C), voltage configuration (2S, 3S, etc.), weight, size, and connector types. Higher capacity often means longer runtimes but heavier packs, which can affect balance and handling. A higher C rating supports more current without significant voltage drop, important for high-power RC models. Always ensure the pack’s dimensions and connectors match your model’s battery bay and electronics.
Safety and compatibility considerations:
- Connector compatibility: JST, XT60, T Connector, Mini Tamiya, and others—verify with your ESC, charger, and model.
- Voltage and configuration: match 2S, 3S, or higher to your device’s voltage rating and battery compartment space.
- Weight and balance: heavier packs affect CG; adjust weights or positions to maintain stable handling.
- Charging: use a charger designed for LiPo chemistry with proper balance charging; never exceed recommended voltage per cell (4.2V).
- Safety: inspect for swelling, punctures, or damaged cells; store and transport in approved LiPo bags or containers.
Product diversity is important: hard-case packs offer impact resistance for rugged use; soft-case packs save weight for aviation or racing; shorty packs save space in compact builds. When comparing options, prioritize compatibility with your model’s connectors, discharge needs, and available space rather than just capacity.
In sum, round LiPo cells provide flexible power for a range of RC and hobby applications. By aligning voltage, capacity, discharge rate, and physical fit to your specific model, you can optimize performance, runtime, and safety for your next build.