High Quality 3.7V 150mAh SENNHEISER BA300 Battery For Sennheiser RI900 RR840 RI410 RS4200 RR4200 HDI830
Do you want to buy a cheap SENNHEISER BA300 Compatible battery? We offer you a cheap SENNHEISER BA300 Compatible battery - an incredibly high quality Compatible battery! All SENNHEISER BA300 are brand new,1 year Warranty, 100% Guarantee Quality and Fully Test!

✔ Battery for BA300 Ships to Singapore
Product Overview
This battery is suitable as a replacement battery for Sennheiser RI900 RR840 RI410 RS4200 RR4200 HDI830 battery and SENNHEISER BA300 model.
High capacity SENNHEISER BA300 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 150mAh for extended device runtime.
- Stable 3.7V 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 | BA300 |
| Battery Condition | Brand New Replacement Battery |
| Item Code | ECN12850_Oth |
| Category | Headphones Batteries |
| Brand | SENNHEISER |
| Capacity | 150mAh |
| Voltage | 3.7V |
| Type | Rechargeable Li-ion |
| Color | Black |
| Applies to | Sennheiser RI900 RR840 RI410 RS4200 RR4200 HDI830 |
| 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 Sennheiser RI900 RR840 RI410 RS4200 RR4200 HDI830
Package Included:
2pcs BA300 batteries
* 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 SENNHEISER 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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