750mAh BSL-10 Replacement Battery for Ericsson T28 T28S T28SC T29 T39 T520 T320 R520 R320
- Jessie Jones
- Aug 26
- 2 min read
Looking for a reliable Ericsson BSL-10 Smartphone Battery replacement? Upgrade your Ericsson T28 T28S T28SC T29 T39 T520 T320 R520 R320 with a brand new, 100% genuine-spec 750mAh Ericsson BSL-10 Battery replacement. This high-quality replacement battery is designed to meet all the technical requirements for performance, reliability, and safety, just like your original battery.
Rest assured with its CE, FCC, and ROHS certifications, guaranteeing compliance with international quality and safety standards. We stand behind our product with a 1-Year Warranty and a 30-Day Money-Back Guarantee – so you can shop with complete confidence. Give your device the power it deserves. Upgrade today!
750mAh BSL-10 Replacement Battery for Ericsson T28 T28S T28SC T29 T39 T520 T320 R520 R320

Technical Specifications:
Voltage: 3.6V
Capacity: 750mAh
Cell Type: Li-Polymer
Battery Cell Quality: Grade A
Warranty: 1 Year Warranty, 30 Day Money Back and Secure Online Ordering Guaranteed
Certification:CE CCC FCC ROHS
This Ericsson BSL-10 Battery Replaces:
BSL-10
This BSL-10 Battery Fits The Following Alcatel Models:
for Ericsson T28 T28S T28SC T29 T39 T520 T320 R520 R320
Other Online Stores:
Germany------------Ericsson Li-Ion 750mAh Akku BSL-10
the Netherlands------------750mAh Ericsson BSL-10 Accu
Singapore------------750mAh Ericsson BSL-10 Battery
To ensure optimal performance and longevity for your BSL-10 replacement battery, follow these key charging practices:
Avoid letting the battery become fully drained before recharging, as exhaustive discharge can significantly shorten its lifespan. Instead, it's recommended to connect your device to power when the battery level drops below 20%. Furthermore, always charge the battery in a dry environment. Crucially, pay close attention to temperature, especially avoiding high heat during charging, as this is the single biggest threat to your battery's long-term health. By charging proactively and keeping it cool and dry, you can maximize the life of your BSL-10 battery.
For Optimal Long-Term Storage of Your BSL-10 Smartphone Battery:
If your BSL-10 battery will be unused for an extended period, follow these steps to preserve its health and longevity:
Prepare the Charge Level: Before storing, ensure the battery is charged or discharged to approximately 40% capacity.
Choose the Right Environment: Place the battery in a dry and cool location.
Mind the Temperature: The ideal storage temperature range is between 15°C and 25°C (59°F and 77°F). Temperatures outside this range, whether too high or too low, can significantly accelerate battery aging.
Perform Monthly Maintenance: To maintain the battery's health during storage, fully charge and then fully discharge it at least once every month.
Return to Storage: After each monthly cycle, recharge or discharge the battery back to around 40% before returning it to its cool, dry storage place.
Adhering to these storage guidelines will help maximize your BSL-10 battery's lifespan and performance when you need it again.





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