AOLIKES PL 902035
AOLIKES 902035 600mAh Replacement Battery User Manual
Model: PL 902035
1. Introduction
This manual provides essential information for the safe and effective use of your AOLIKES 902035 600mAh Replacement Lithium-ion Battery. Please read this manual thoroughly before installation and use.

Image 1.1: Top view of the AOLIKES 902035 600mAh Lithium-ion Battery, displaying its model number and voltage specifications.
2. Product Overview
The AOLIKES 902035 is a 3.7V rechargeable Lithium-ion battery designed as a replacement for various portable electronic devices.
Key Features:
- Voltage: 3.7V nominal, 4.2V fully charged.
- Capacity: 600mAh (2.22Wh).
- Model: PL902035.
- Protection: Built-in battery protection circuit module (PMC) to prevent overdischarge and short circuit.
- Connector: Genuine JST Connector Ph1.25, 2-Pin.

Image 2.1: Side view of the AOLIKES 902035 battery, highlighting the attached JST 2-Pin connector.
3. Setup and Installation
Follow these steps for proper installation of the replacement battery:
- Preparation: Ensure the device is powered off and disconnected from any power source before beginning the replacement process.
- Old Battery Removal: Carefully remove the old battery from your device. Note its orientation and wiring.
- Polarity Check: Before connecting the new battery, compare its wiring with the old battery. The red wire on the AOLIKES 902035 battery connects to the positive (+) power pole, and the black wire connects to the negative (-) power pole. Ensure correct polarity to prevent damage to the device or battery.
- Connection: Connect the JST 2-Pin connector of the new battery to the corresponding port on your device's circuit board.
- Secure Placement: Place the new battery securely within the device's battery compartment.
- Reassembly: Reassemble your device carefully.

Image 3.1: Detailed view of the JST 2-Pin connector, showing its dimensions for compatibility verification.
4. Operating Instructions
Once installed, the battery operates as a standard power source for compatible devices. For optimal performance:
- Initial Charge: It is recommended to fully charge the battery before its first use in the device.
- Charging: Use a charger compatible with 3.7V Lithium-ion batteries. Avoid overcharging or using incompatible chargers.
- Discharge: Avoid completely draining the battery to 0% charge, as this can reduce its lifespan.
- Temperature: Operate the battery within recommended temperature ranges (typically 0°C to 45°C for charging, -20°C to 60°C for discharging).
5. Maintenance and Storage
- Cleaning: Keep battery contacts clean and free from dust or debris. Use a dry, soft cloth for cleaning.
- Storage: If storing the battery for an extended period, charge it to approximately 50% and store in a cool, dry place away from direct sunlight and extreme temperatures.
- Regular Check: Periodically check the battery for any signs of swelling, leakage, or damage. Discontinue use immediately if any issues are observed.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on after battery installation. | Incorrect polarity; Battery not fully charged; Loose connection. | Verify red wire is connected to positive and black to negative. Charge the battery. Ensure connector is firmly seated. |
| Battery does not hold charge. | Battery defect; Incompatible charger; Battery reached end of life. | Test with a known good charger. If new, contact seller. Replace battery if old. |
| Battery swells or overheats. | Overcharging; Internal short circuit; Physical damage. | Immediately discontinue use and safely dispose of the battery. Do not attempt to charge or use. |
7. Specifications
| Attribute | Value |
|---|---|
| Brand | AOLIKES |
| Model Number | PL 902035 |
| Battery Type | Lithium Polymer |
| Nominal Voltage | 3.7 Volts |
| Fully Charged Voltage | 4.2 Volts |
| Capacity | 600 mAh (2.22 Wh) |
| Dimensions (L x W x T) | 35 x 20 x 9 mm (1.38 x 0.78 x 0.35 inch) max |
| Weight | 11g |
| Connector Type | Genuine JST Connector Ph1.25, 2-Pin |
| Compatible Devices | Bluetooth Speaker, MP3, PDA, MP4, FM radio, Wireless Bluetooth Headset, Pet GPS, Keychain cam small camera, mini DVR, electronic readers, etc. |
8. Safety Warnings and Disposal
- Do not disassemble, puncture, short circuit, or expose the battery to fire or high temperatures.
- Keep out of reach of children.
- Do not use if the battery appears damaged, swollen, or leaking.
- Dispose of batteries responsibly according to local regulations. Do not dispose of in household waste.
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