### Key Specifications
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Model/SKU: LBT-0021 / FTBTDE6C4010
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Battery Type: Lithium-ion (Li-ion)
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Cell Count: 6 Cells
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Voltage: 11.1V
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Capacity: 4000mAh / 44Wh
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Color: Black
### Compatibility
This battery is primarily designed for the Dell Inspiron 15R (N4010) series. It is often compatible with several other models in the Dell Inspiron and Vostro families that use the same form factor, including:
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Dell Inspiron Series: N3010, N4010, N5010, N7010, M5030, N5030, N5040, N5050.
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Dell Vostro Series: 1440, 1450, 1540, 1550, 3450, 3550, 3750.
### Features
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Safety Certifications: It carries the CE and RoHS marks, ensuring it meets international safety and environmental standards.
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BIS Approved: Includes the ISI mark (IS 16046), indicating it has been tested and certified for safety in the Indian market.
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Build Quality: Constructed with high-quality grade-A cells to ensure stable performance and a longer life cycle.
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Protection Circuits: Built-in circuit protection ensures safety against over-charging, over-heating, and short circuits.
### Usage Tips for Longevity
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Initial Charge: When you first install the battery, it is recommended to charge it to 100% and then let it discharge to about 10%–15% for the first couple of cycles.
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Avoid Deep Discharge: Try not to let the battery drop to 0% frequently, as this can stress the lithium-ion cells.
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Temperature Control: Keep your laptop in a well-ventilated area. Excessive heat is the primary enemy of battery health.
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Storage: If you plan on not using the laptop for a long time, store the battery with roughly a 50% charge in a cool, dry place.























