The Battery blue star BLB-2 for Nokia 8210/8310/6510 Li-Ion 900 mAh is compared with several similar replacement batteries for various mobile phone models, including Battery blue star for Nokia 6610 / 7250i / 7210 Li‑Ion 900 mAh, AVACOM Lithium-Ion Replacement Battery for Nokia BL-4C 900 mAh, Li-Ion, Battery blue star for Nokia C3-01 / C5 / C6-01 — Li‑Ion 1200 mAh, analog BL-5CT, Battery AVACOM GSNO-BL5F-S1000A for Nokia N95 E65 Li-Ion 3.6V 1000mAh, and Battery Blue Star BL-4CT for Nokia 5310 / X3-01 / 6600 fold — Li-Ion 950 mAh. All these products share the fact that they are lithium-ion rechargeable batteries designed to replace worn original power sources in classic and feature mobile phones. The main differences lie in their physical dimensions, capacity, and compatibility with specific device series and models.
⚙️ The table below compares battery technology, nominal capacity, supported phone models, and the practical purpose of each power source.
| Comparison parameter | Battery blue star BLB-2 for Nokia 8210/8310/6510 Li-Ion 900 mAh | Battery blue star for Nokia 6610 / 7250i / 7210 Li‑Ion 900 mAh | AVACOM Lithium-Ion Replacement Battery for Nokia BL-4C 900 mAh, Li-Ion | Battery blue star for Nokia C3-01 / C5 / C6-01 — Li‑Ion 1200 mAh, analog BL-5CT | Battery AVACOM GSNO-BL5F-S1000A for Nokia N95 E65 Li-Ion 3.6V 1000mAh | Battery Blue Star BL-4CT for Nokia 5310 / X3-01 / 6600 fold — Li-Ion 950 mAh | Practical significance |
|---|
| Battery technology | Li-Ion | Li-Ion | Li-Ion | Li-Ion | Li-Ion | Li-Ion | All compared models use standard lithium-ion technology, providing stable voltage and no memory effect. |
| Capacity | 900 mAh | 900 mAh | 900 mAh | 1200 mAh | 1000 mAh | 950 mAh | Capacity ranges from 900 to 1200 mAh depending on the physical size of the specific phone model and battery compartment. |
| Compatibility | Nokia 8210, 8310, 6510 | Nokia 6610, 7250i, 7210 | Nokia BL-4C compatible phones | Nokia C3-01, C5, C6-01 | Nokia N95, E65 | Nokia 5310, X3-01, 6600 fold | Each battery features a unique shape and terminal placement, meaning they are not interchangeable across different phone series. |
◎ The table below evaluates which battery is most suitable for different user needs and usage scenarios.
| Use case | Recommended product | Why |
|---|
| Owners of classic Nokia 8210, 8310, or 6510 devices | Battery blue star BLB-2 for Nokia 8210/8310/6510 Li-Ion 900 mAh | This battery is specifically engineered to fit the physical dimensions and power requirements of these exact legacy models, ensuring precise compatibility. |
| Users of other mobile phone series | Corresponding alternative from the list | Each alternative battery is built exclusively for a strictly defined range of phone models and will not fit devices from other series. |
| Seeking a higher capacity replacement for models C3-01, C5, or C6-01 | Battery blue star for Nokia C3-01 / C5 / C6-01 — Li‑Ion 1200 mAh, analog BL-5CT | This option provides the highest capacity (1200 mAh) among the listed alternatives to support extended runtime for compatible devices. |
The Battery blue star BLB-2 for Nokia 8210/8310/6510 Li-Ion 900 mAh differs from competitors solely in its physical form factor and dedicated compatibility with the classic Nokia 8210, 8310, and 6510 mobile phones. It is best suited for owners of these specific retro devices who need a direct replacement for a degraded original battery to maintain voice calls and standby functionality. The choice of a preferred option from the list is dictated strictly by your specific mobile phone model, as these batteries are physically non-interchangeable.
