&lt;h2&gt;&lt;b&gt;&lt;span style=&quot;font-size: 24px;&quot;&gt;High-Quality Lenovo X220,X230 Series Battery | Best in BD&lt;/span&gt;&lt;/b&gt;&lt;/h2&gt;&lt;p&gt;Looking for a reliable battery replacement for your Lenovo ThinkPad? The Battery for Lenovo ThinkPad X220, X220S, X220i, X230, X230i Series is the ideal choice. With a capacity of 5200mAh and voltage of 11.1V, this 6-cell lithium-ion battery ensures long-lasting performance, keeping your laptop running efficiently throughout the day.&lt;/p&gt;&lt;p&gt;&lt;h3&gt;&lt;b&gt;&lt;span style=&quot;font-size: 20px;&quot;&gt;Features &amp;amp; Compatibility&lt;/span&gt;&lt;/b&gt;&lt;/h3&gt;This battery is compatible with the following Lenovo ThinkPad models:&lt;/p&gt;&lt;p&gt;ThinkPad X220 Series: X220, X220S, X220i&lt;br&gt;ThinkPad X230 Series: X230, X230i&lt;br&gt;Compatible part numbers include 5N1026, 45N1175, 44++.&lt;/p&gt;&lt;p&gt;&lt;h4&gt;&lt;b&gt;Maintenance Tips&lt;/b&gt;&lt;/h4&gt;To get the best out of your Lenovo ThinkPad battery, follow these maintenance tips:&lt;/p&gt;&lt;p&gt;Avoid deep discharges; recharge the battery when it drops below 20%.&lt;br&gt;Store the laptop in a cool, dry environment to prevent overheating.&lt;br&gt;Use only certified Lenovo chargers to extend battery life.&lt;br&gt;Calibrate the battery monthly by allowing it to fully discharge and then recharge.&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;h4&gt;&lt;b&gt;Buy from Dear IT Solution&lt;/b&gt;&lt;/h4&gt;For the best quality product insured in Bangladesh, purchase your Lenovo &lt;a href=&quot;https://www.dearit.com.bd/laptop-accessories/laptop-battery/lenovo-battery&quot; target=&quot;_blank&quot;&gt;ThinkPad X220/X230&lt;/a&gt; Series battery from &lt;a href=&quot;https://www.dearit.com.bd&quot; target=&quot;_blank&quot;&gt;Dear IT Solution&lt;/a&gt;. Get the best price in BD for this brand-new, high-quality battery that guarantees reliable performance for your device.&lt;/p&gt;&lt;p&gt;&lt;br&gt;&lt;/p&gt;