&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;h2&gt;&lt;strong&gt;HP ProBook 4320, 4420, 4520 Battery - Best Price in BD | Dear IT&lt;/strong&gt;&lt;/h2&gt;&lt;p&gt;Battery Type: Lithium-Ion&lt;br&gt;Battery Voltage: 10.8V&lt;br&gt;Capacity: 56Wh 5200mAh&lt;br&gt;No. of Cells: 6 Cells&lt;br&gt;&lt;/p&gt;&lt;h3&gt;&lt;span style=&quot;font-size:16px&quot;&gt;&lt;strong&gt;Compatible Models&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;&lt;p&gt;This high-quality lithium-ion battery is designed to be compatible with a range of HP &lt;a data-cke-saved-href=&quot;https://www.dearit.com.bd/laptop&quot; href=&quot;https://www.dearit.com.bd/laptop&quot; target=&quot;_blank&quot;&gt;laptop&lt;/a&gt; models, providing reliable power and longevity. It's an ideal replacement for your old or faulty battery, ensuring that your laptop operates efficiently. Compatible models include:&lt;br&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;HP ProBook Series:&lt;/strong&gt; 4320, 4320S, 4321, 4321S, 4320T, 4325S, 4326S, 4420S, 4421, 4421S, 4425S, 4520, 4520S, 4525S&lt;/p&gt;&lt;p&gt;&lt;strong&gt;HP Compaq Series:&lt;/strong&gt; 320, 321, 325, 326, 420, 421, 425, 620, 621, 625&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Battery Part Numbers&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;This &lt;a data-cke-saved-href=&quot;https://www.dearit.com.bd/laptop-accessories/laptop-battery&quot; href=&quot;https://www.dearit.com.bd/laptop-accessories/laptop-battery&quot; target=&quot;_blank&quot;&gt;battery&lt;/a&gt; is compatible with the following part numbers, ensuring a perfect fit for your device:&lt;br&gt;&lt;/p&gt;&lt;h3&gt;&lt;span style=&quot;font-size:14px&quot;&gt;PH06&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-size:14px&quot;&gt;PH09&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-size:14px&quot;&gt;633731-141&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-size:14px&quot;&gt;633731-151&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-size:14px&quot;&gt;633731-221&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-size:14px&quot;&gt;633731-241&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-size:14px&quot;&gt;633732-141&lt;/span&gt;&lt;br&gt;&lt;span style=&quot;font-size:14px&quot;&gt;633732-151&lt;/span&gt;&lt;/h3&gt;&lt;h3&gt;&lt;span style=&quot;font-size:16px&quot;&gt;&lt;strong&gt;Features&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;&lt;p&gt;&lt;strong&gt;Lithium-Ion Technology:&lt;/strong&gt; Utilizes advanced lithium-ion technology, providing stable and reliable power with a longer lifespan compared to other battery types.&lt;br&gt;High Capacity: With a capacity of 56Wh and 5200mAh, this battery ensures extended usage time, allowing you to work or enjoy multimedia without frequent recharges.&lt;br&gt;&lt;strong&gt;6 Cells: &lt;/strong&gt;Equipped with 6 cells that contribute to its robust performance and durability.&lt;br&gt;&lt;strong&gt;Direct Replacement:&lt;/strong&gt; Designed as a direct replacement for your original battery, making installation quick and easy.&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Maintenance Tips&lt;/strong&gt;&lt;/p&gt;&lt;p&gt;To ensure the longevity and optimal performance of your battery, follow these maintenance tips:&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Avoid Overcharging: &lt;/strong&gt;Disconnect the battery from the charger once it’s fully charged to prevent overcharging, which can reduce battery life.&lt;br&gt;&lt;strong&gt;Keep It Cool: &lt;/strong&gt;Store and use your laptop in a cool, dry environment to avoid overheating, which can damage the battery.&lt;br&gt;&lt;strong&gt;Calibrate Regularly: &lt;/strong&gt;Periodically discharge the battery fully and then recharge it to maintain its calibration and accuracy of the battery meter.&lt;br&gt;&lt;strong&gt;Use the Correct Charger:&lt;/strong&gt; Always use the recommended charger for your laptop to ensure compatibility and safety.&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;h3&gt;&lt;span style=&quot;font-size:18px&quot;&gt;&lt;strong&gt;Why Choose Dear IT Solution?&lt;/strong&gt;&lt;/span&gt;&lt;/h3&gt;&lt;p&gt;At &lt;a data-cke-saved-href=&quot;https://www.dearit.com.bd&quot; href=&quot;https://www.dearit.com.bd&quot; target=&quot;_blank&quot;&gt;Dear IT Solution&lt;/a&gt;, we are committed to offering only original and certified products. Our lithium-ion batteries come with a 6-month warranty, providing you with confidence in your purchase. We pride ourselves on delivering the best prices in Bangladesh and exceptional customer service.&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;&lt;p&gt;Order now and enjoy the reliable performance of our high-quality lithium-ion battery for your HP laptop, available at the best price in Bangladesh!&lt;/p&gt;