Product Description
The Discovery BL-4CTD Rechargeable Lithium-Ion Battery is a reliable replacement battery designed for compatible Nokia feature phones. With a 900mAh capacity and 3.7V output, it provides dependable talk time, standby time, and stable power for voice calls, text messaging, FM radio, and everyday phone use.
Manufactured using high-quality lithium-ion technology, the BL-4CTD delivers efficient charging, stable performance, and a long service life. Built-in protection circuitry helps guard against overcharging, overheating, over-discharging, and short circuits, ensuring safe and dependable operation.
Its compact design makes it an ideal replacement for worn-out or damaged batteries, helping extend the life of compatible Nokia feature phones.
Key Features
- 900mAh battery capacity
- Rechargeable Lithium-Ion technology
- 3.7V nominal voltage
- Fast and stable charging
- Long standby and talk time
- Lightweight and durable construction
- Built-in safety protection
- High-quality replacement battery
Compatible Nokia Phones
The Discovery BL-4CT battery is compatible with Nokia phones that use the BL-4CT battery model, including:
- Nokia 5310 XpressMusic
- Nokia 5630 XpressMusic
- Nokia 6700 Slide
- Nokia 7210 Supernova
- Nokia 7230
- Nokia 7310 Supernova
- Nokia X3-00
- Nokia 2720 Fold
- Nokia 6600 Fold
Note: The original Nokia BL-4CT battery was commonly rated at 860mAh, while some aftermarket replacements, including the Discovery version shown, are labeled 900mAh. They retain the same form factor and are intended to be compatible with devices designed for the BL-4CT battery.









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