sea jump 3PCS 3.7V 380mAh Li Battery
User Manual: sea jump 3PCS 3.7V 380mAh Li Battery
Model: 3PCS 3.7V 380mAh Li Battery
1. Product Overview
This manual provides essential information for the safe and effective use of the sea jump 3PCS 3.7V 380mAh Lithium (Li) batteries. These batteries are specifically designed as replacement or spare parts for various remote control aircraft, including the SYMA X5A-1, X15, X15C, and X15W quadcopters and helicopters.

Figure 1.1: Overview of the three 3.7V 380mAh Li batteries included in the package. Each battery features a compact design with a red connector for easy integration with compatible remote control devices.
2. Safety Information
Lithium batteries require careful handling. Please read and adhere to the following safety guidelines to prevent damage, injury, or fire:
- Charging: Only use chargers specifically designed for 3.7V Lithium Polymer (LiPo) batteries. Never leave charging batteries unattended. Charge on a non-flammable surface away from combustible materials.
- Storage: Store batteries in a cool, dry place, away from direct sunlight, heat sources, and flammable materials. Do not store fully charged or fully discharged for extended periods.
- Handling: Do not puncture, drop, short-circuit, or disassemble the batteries. Avoid exposing batteries to water or extreme temperatures.
- Damage: If a battery becomes swollen, damaged, or emits smoke/odor, immediately discontinue use, place it in a fireproof container, and dispose of it properly according to local regulations.
- Disposal: Do not dispose of batteries in household waste. Recycle them at an authorized battery recycling facility.
- Children: Keep batteries out of reach of children. Recommended age for use is 8 years and up, under adult supervision.
3. Setup
3.1 Initial Inspection
Upon receiving your batteries, inspect each one for any visible signs of damage, such as swelling, punctures, or frayed wires. Do not use any battery that appears damaged.

Figure 3.1: A detailed view of a single 3.7V 380mAh Li battery, highlighting the clear markings for voltage (3.7V) and capacity (380mAh) on its casing. The red and black wires connect to a compatible red connector.
3.2 Charging the Battery
Before first use, fully charge each battery. Use a compatible 3.7V LiPo charger. Charging times may vary depending on the charger's output current. Always follow the instructions provided with your charger.
- Connect the battery's red connector to the corresponding port on your LiPo charger.
- Ensure the charger is powered on and indicates charging status (e.g., LED light).
- Once charging is complete, disconnect the battery from the charger. Do not overcharge.
4. Operating Instructions
These batteries are designed for use with specific remote control aircraft models. Ensure your device is compatible before installation.
4.1 Battery Installation
- Turn off your remote control helicopter or quadcopter.
- Locate the battery compartment on your device. Refer to your device's user manual for specific instructions.
- Carefully insert the 3.7V 380mAh Li battery into the compartment, ensuring the wires are not pinched.
- Connect the battery's red connector to the corresponding port inside the device's battery compartment. Ensure a firm connection.
- Close the battery compartment securely.

Figure 4.1: A side profile of the 3.7V 380mAh Li battery, illustrating its compact form factor and the durable wrapping around the battery cell. The red connector is clearly visible, ready for connection.
4.2 Usage Tips
- Do not fully discharge the battery. Stop using the device when you notice a significant drop in performance or when the device's low-battery indicator activates.
- Allow batteries to cool down before recharging, especially after intensive use.
- Rotate between multiple batteries to extend their overall lifespan.
5. Maintenance
Proper maintenance extends the life and performance of your batteries.
- Cleaning: Keep battery connectors clean and free of dust or debris. Use a dry, soft cloth if cleaning is necessary.
- Storage: For long-term storage, charge batteries to approximately 3.8V per cell (storage voltage), not full charge. Store them in a fireproof bag or container in a cool, dry environment.
- Regular Checks: Periodically inspect batteries for any signs of swelling or damage. Discontinue use immediately if any issues are observed.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging. | Incorrect charger, loose connection, damaged battery. | Ensure charger is compatible and connected securely. Inspect battery for damage. Try another battery if available. |
| Short flight time. | Battery not fully charged, aging battery, high power consumption by device. | Ensure full charge. Battery lifespan decreases over time; consider replacement. Check device for excessive power draw. |
| Battery swells or gets hot during use/charging. | Overcharging, over-discharging, internal damage. | Immediately discontinue use and charging. Place in a fireproof container and dispose of safely. Do not attempt to use or repair. |
7. Specifications
| Feature | Detail |
|---|---|
| Battery Type | Lithium Polymer (LiPo) |
| Voltage | 3.7V |
| Capacity | 380 mAh |
| Unit Count | 3 PCS |
| Compatible Models | SYMA X5A-1, X15, X15C, X15W Remote Control Helicopters/Quadcopter |
| Recommended Age | 8 years and up |
8. Warranty and Support
Information regarding product warranty and customer support for sea jump products was not provided in the available documentation. Please refer to the seller or manufacturer's official website for details on warranty coverage, return policies, and customer service contact information.
For general inquiries or assistance, you may attempt to contact the seller, "Sea leap Technology," via the platform where the product was purchased.