Description
The YK 603048 3.7V 1200mAh 1S LiPo Battery is a compact rechargeable lithium-polymer battery for compatible electronic devices, small RC projects, and portable power applications. With a rated capacity of 1200mAh (1.2Ah), this battery is suitable for projects that require a lightweight, single-cell power source.
Featuring a JST connector and compact dimensions of approximately 42 × 24 × 8mm, this battery can be considered for compatible mini drones, small quadcopters, and DIY electronics projects using ESP8266 or ESP32 development boards. Before connecting it, check the device’s voltage, connector polarity, physical dimensions, and current requirements.
Key Features
- Model: YK 603048
- Battery type: Lithium-polymer (LiPo)
- Nominal voltage: 3.7V
- Capacity: 1200mAh (1.2Ah)
- Configuration: 1S (single cell)
- Connector: JST type, as listed
- Dimensions: Approximately 42 × 24 × 8mm
- Weight: Approximately 30g
- Rechargeable: Designed for compatible LiPo charging systems
Technical Specifications
| Specification | Details |
|---|---|
| Model | YK 603048 |
| Battery chemistry | Lithium-polymer (LiPo) |
| Nominal voltage | 3.7V |
| Capacity | 1200mAh / 1.2Ah |
| Configuration | 1S |
| Maximum charge voltage | 4.25V listed; verify with supplier |
| General charge current | 0.2C, adjustable as listed |
| Fast charge current | 1C, adjustable as listed |
| General discharge current | 0.2C, adjustable as listed |
| Maximum continuous discharge | 1C, adjustable as listed |
| Peak discharge current | 2C, adjustable as listed |
| Cycle life | 500+ cycles stated at 0.2C and 80% depth of discharge |
| Dimensions | Approximately 42 × 24 × 8mm |
| Weight | Approximately 30g |
| Connector | JST type |
| SKU | LB-018 |
Charging specification note: The supplied information lists a maximum charge voltage of 4.25V, while standard 3.7V single-cell LiPo batteries commonly use a 4.2V full-charge voltage. Confirm the correct limit for this exact model with the supplier before charging. Do not assume that 4.25V is safe without manufacturer confirmation.
Applications
- RC mini drones and small quadcopters, provided their current requirements are within the battery’s rating
- ESP8266 and ESP32-based portable electronics projects
- Compatible ESP32-CAM projects, with a suitable regulated power supply where required
- DIY battery-powered electronics
- Robotics and small embedded systems
- Portable prototypes and hobby projects





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