High Quality 2.5V 1380mAh AIWA PB-3 Battery For Aiwa Walkman J505 J707 J202 J303 T80 T303 T888 T88
Do you want to buy a cheap AIWA PB-3 Compatible battery? We offer you a cheap AIWA PB-3 Compatible battery - an incredibly high quality Compatible battery! All AIWA PB-3 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

✔ Battery for PB-3 Ships to Singapore
Product Overview
This battery is suitable as a replacement battery for Aiwa Walkman J505 J707 J202 J303 T80 T303 T888 T88 battery and AIWA PB-3 model.
High capacity AIWA PB-3 battery for longer standby time.
The battery is professionally tested to ensure the best lifespan.
1 year warranty, 30 days money back, 100% brand new!
Battery capacity (mAh/A/W) may be different; the more mAh/A/W it displays, the higher its autonomy.
Safety certified CE / FCC / RoHS.
Key Features
- High‑capacity design with 1380mAh for extended device runtime.
- Stable 2.5V output ensures consistent performance during daily use.
- Built with high‑quality lithium‑ion cells for improved durability and long cycle life.
- Advanced protection system including overcharge, over‑discharge, overheat, and short‑circuit safeguards.
- Optimized for reliable performance in warm and humid environments.
- Lightweight and compact design for easy installation and device compatibility.
Technical Specifications
| Model | PB-3 |
| Battery Condition | Brand New Replacement Battery |
| Item Code | ECN7F26SE_Oth |
| Category | Lithium-Ion Batteries |
| Brand | AIWA |
| Capacity | 1380mAh |
| Voltage | 2.5V |
| Type | Li-ion |
| Color | Black |
| Size | *mm(L x W x H) |
| Applies to | Aiwa Walkman J505 J707 J202 J303 T80 T303 T888 T88 |
| Certification | Passed CE, UL, ROHS, ISO 9001/9002 and GS certification |
| Service | Buy now, we promise a one-year warranty and 30-day returns |
Compatible Models
Replacement Part Numbers:
Compatible Models:
For Aiwa Walkman J505 J707 J202 J303 T80 T303 T888 T88
This PB-3 rechargeable battery pack is an upgraded all-in-one version for classic Aiwa cassette walkman. Different from the old version which sells battery case and battery separately, this new unit is pre-assembled with built-in 2.5V 1380mAh li-ion battery. You don't need to buy the battery individually anymore. Just install it into your walkman and start enjoying your tapes.
Equipped with Type-C charging port for easy recharging. The 3D printed shell fits perfectly for Aiwa J505, J707, J202, J303, T80, T303, T888, T88. It is a perfect power replacement to bring your vintage Aiwa portable cassette player back to life. A must-have accessory for retro audio collectors.
Charging Interface: Type-C
Compatible Devices: Aiwa J505 / J707 / J202 / J303 / HS-T80 / T303 / T888 / T88
Package: 1 x PB-3 Integrated Battery Pack (Battery + Case pre-installed)
This PB-3 rechargeable battery pack is an upgraded all-in-one version for classic Aiwa cassette walkman. Different from the old version which sells battery case and battery separately, this new unit is pre-assembled with built-in 2.5V 1380mAh li-ion battery. You don¡¯t need to buy the battery individually anymore. Just install it into your walkman and start enjoying your tapes.
Equipped with Type-C charging port for easy recharging. The 3D printed shell fits perfectly for Aiwa J505, J707, J202, J303, T80, T303, T888, T88. It is a perfect power replacement to bring your vintage Aiwa portable cassette player back to life. A must-have accessory for retro audio collectors.
Specifications:
Model: PB-3
Voltage: 2.5V
Capacity: 1380mAh
Charging Interface: Type-C
Compatible Devices: Aiwa J505 / J707 / J202 / J303 / HS-T80 / T303 / T888 / T88
Package: 1 * PB-3 Integrated Battery Pack (Battery + Case pre-installed)
* Please make sure that the replacement battery you are buying is suitable for your device brand and model.
Battery Care & Maintenance
- Store the battery in a cool, dry environment to maintain long‑term performance.
- Avoid exposing the battery to excessive heat or direct sunlight, especially in warm and humid climates.
- Use compatible AIWA chargers or certified charging accessories to ensure safe and efficient charging.
- Avoid frequent full discharges; partial charge cycles help extend overall battery lifespan.
- If the battery will not be used for an extended period, keep it at around 40–60% charge before storage.
- Clean the battery contacts periodically with a dry cloth to maintain stable power delivery.
- Do not puncture, crush, or expose the battery to water or high humidity.
Frequently Asked Questions
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