1. Important Safety Instructions
Read the following content carefully before using your Youme Power LiPo battery. Failure to follow these instructions can result in fire, personal injury, and property damage.
- Charging: Use only approved LiPo Balance Chargers. Never charge batteries unattended. Do not overcharge beyond 4.2V per cell or over-discharge below 3.2V per cell.
- Storage: Remove the battery from devices when not in use. Store in a cool, dry place away from direct sunlight and heat sources.
- Handling: Do not puncture, drop, short-circuit, or disassemble the battery. Avoid using the battery if it shows signs of heating, deformation, leakage, gas venting, or any other abnormal behavior.
- Leakage: If liquid from the battery comes into contact with skin or eyes, wash immediately with clean water and seek medical attention.
- Disposal: Dispose of LiPo batteries according to local regulations. Do not dispose of in regular trash.
Image 1: Youme Power LiPo battery showing the safety instructions label and packaging components (packaging, instructions, AB buckle).
2. Product Overview
The Youme Power 7.4V 2S 5200mAh 80C LiPo battery is designed for various RC models, offering high discharge rates and a long cycle life. This battery features a soft case design and comes with an XT60 plug, along with XT60 male to Tr Female adapters for broader compatibility.
Image 2: Detailed view of the Youme Power LiPo battery, highlighting its 10AWG silicone wire, 3-pin balance port, and T-R connector.
3. Specifications
| Brand | Youme Power |
| Model Number | 2-YM2S52H80CNTrx |
| Battery Type | Li-Polymer (LiPo) |
| Cell Configuration | 2S (2 Cells in Series) |
| Voltage | 7.4V |
| Capacity | 5200mAh |
| Discharge Rate | 80C |
| Cell Voltage Range | 3.2V - 4.2V |
| Suggested Charge Rate | 0.5C - 1C (2.6A - 5.2A) |
| Charge Plug | JST-XH |
| Discharge Plug | XT60 (with Tr adapters included) |
| Wire Gauge | 10 AWG Silicone Wire |
| Approximate Weight | 289g ± 2g (0.64lb / 10.19oz) |
| Dimensions (L*W*H) | 139*47*25mm ± 3mm (5.47*1.85*0.98inch) |
Image 3: Visual representation of the battery's key parameters: 7.4V Voltage, 5200mAh Capacity, 80C Discharge Rate, T-R Connector Type, JST-XHR Balancer Connector Type, and 2S1P Cell Configuration.
Image 4: Discharge curve and capacity table for the Youme Power 5200mAh LiPo battery, showing voltage and capacity over time during discharge at 1C rate.
4. Setup and Installation
Before installing the battery, ensure your RC model is compatible with 2S (7.4V) LiPo batteries and can accommodate the battery's dimensions (139x47x25mm).
- Check Compatibility: Verify that your RC vehicle's electronic speed controller (ESC) and motor are rated for 2S LiPo batteries.
- Physical Fit: Ensure the battery fits securely within the battery compartment of your RC model.
- Connector: The battery comes with an XT60 discharge plug. If your RC model uses a Tr connector, use the provided XT60 male to Tr Female adapter. Connect the adapter firmly to the battery's XT60 plug, then connect the Tr end to your RC model.
- Balance Lead: The JST-XH balance lead is used for charging and monitoring cell voltage. Ensure it is not pinched or damaged during installation.
5. Charging Instructions
Proper charging is essential for the longevity and safety of your LiPo battery. Always use a dedicated LiPo balance charger.
- Connect to Charger: Connect the main XT60 discharge plug of the battery to the charger's output port.
- Connect Balance Lead: Connect the JST-XH balance lead to the balance port on your charger. This is crucial for ensuring all cells are charged equally.
- Set Charger Parameters:
- Select "LiPo Balance Charge" mode.
- Set the voltage to 7.4V (2S).
- Set the charge current. The suggested charge rate is 0.5C to 1C. For a 5200mAh battery, this corresponds to 2.6A to 5.2A. Charging at a lower C-rate (e.g., 0.5C) can extend battery life.
- Monitor Charging: Never leave the battery unattended during charging. Monitor the battery for any signs of swelling, overheating, or smoke. Discontinue charging immediately if any abnormalities are observed.
- Full Charge: The charger will indicate when the battery is fully charged (typically 4.2V per cell). Disconnect the battery from the charger once charging is complete.
6. Operation Guidelines
Follow these guidelines for safe and optimal performance during use:
- Initial Charge: Always fully charge the battery before its first use.
- Discharge Limits: Do not discharge the battery below 3.2V per cell. Most ESCs have a low voltage cutoff (LVC) feature; ensure it is set correctly for LiPo batteries (typically around 3.2V-3.4V per cell). Over-discharging can permanently damage the battery.
- Temperature: Avoid operating the battery in extreme temperatures. High temperatures can degrade performance and lifespan, while very low temperatures can reduce capacity and increase internal resistance.
- Physical Protection: Ensure the battery is securely mounted in your RC model to prevent movement and damage during operation.
- Post-Use: After use, allow the battery to cool down before recharging. If the battery will not be used for an extended period, store it at a storage voltage (typically 3.8V-3.85V per cell).
7. Maintenance
Proper maintenance extends the life and performance of your LiPo battery:
- Regular Inspection: Periodically inspect the battery for any physical damage, swelling, or loose connectors.
- Cleaning: Keep the battery and connectors clean and free from dirt or debris.
- Storage Voltage: For long-term storage (more than a few days), charge or discharge the battery to a storage voltage of 3.8V-3.85V per cell. This helps prevent degradation.
- Cycle Life: The battery is designed for a long cycle life (150 times minimum). Following proper charging and discharging practices will help achieve this.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Incorrect charger settings, faulty charger, damaged battery, loose connections. | Verify charger settings (LiPo, 2S, correct current). Check all connections. Inspect battery for damage. Try a different charger if available. |
| Reduced run time or power | Battery degradation, over-discharge, incorrect LVC setting, cold weather. | Ensure battery is fully charged. Check LVC setting on ESC. Avoid over-discharging. Warm battery before use in cold conditions. Consider battery replacement if degradation is significant. |
| Battery swelling or overheating | Overcharging, over-discharging, internal short circuit, physical damage. | Immediately discontinue use and charging. Place the battery in a fire-safe container. This indicates a serious safety risk; the battery should be safely disposed of and replaced. |
| Connectors not fitting | Incompatible connectors, incorrect adapter use. | Ensure you are using the correct XT60 to Tr adapter if your RC model requires a Tr connector. Verify the orientation of the connectors. |
9. Warranty and Support
For specific warranty details and customer support, please refer to the information provided at the point of purchase or contact Youme Power directly. It is recommended to retain your proof of purchase for any warranty claims.
If you have questions regarding the use, maintenance, or troubleshooting of your Youme Power LiPo battery, please reach out to the manufacturer's customer service for assistance.