AA-PBUN3AB Replacement Laptop Battery in Bangladesh
Restore reliable portable use to a compatible Samsung laptop with this brand-new AA-PBUN3AB replacement battery. Its 11.4V electrical rating and 43Wh / 3900mAh capacity are clearly listed so you can compare them with the label on your existing battery before ordering.
Compatible Models
Samsung Notebook 5 NP550XTA; NP530E5M NP740U3L NP740U5L. Compatibility can vary within the same laptop series, so match the AA-PBUN3AB part number, voltage, connector position and battery shape.
Key Features
- Li-ion replacement battery for supported Samsung laptops
- Built-in protection against overcharging, overheating and short circuits
- Quality checked before dispatch
- Suitable for replacing an aged battery with poor backup or charging performance
Specifications
| Brand compatibility | Samsung |
|---|---|
| Part number | AA-PBUN3AB |
| Battery type | Li-ion |
| Voltage | 11.4V |
| Capacity | 43Wh / 3900mAh |
| Cell configuration | 3 Cell |
| Condition | Brand New |
| Warranty | 12 Months |
Before You Order
Check that your old battery shows part number AA-PBUN3AB and the same voltage. If the part number or connector layout differs, contact LaptopVai with a clear photo of the old battery label before placing the order.














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