&lt;p&gt;Battery Type: Li-ion, Battery Volt: 15.2V, Capacity: 4210mAh (64Wh),
Battery Color: Black, Condition: 100% New, Warranty: 12 months&lt;/p&gt;&lt;div&gt;&lt;div&gt;&lt;b&gt;Compatible Part Numbers: &lt;/b&gt;BV02XL, 775624-121, 775624-1C1, 776621-001, 776621-006, BV02033XL, HSTNN-1B6Q, HSTNN-IB6Q, TPN-I116&lt;br&gt;&lt;/div&gt;&lt;b&gt;Compatible Model Numbers:&lt;/b&gt; Hp Envy X2 13-J099NX, ENVY 13-J000NA, Envy 13-j000nx, Envy 13-j098nx, Envy X2 13-J031NG, ENVY X2 13-J011NW, ENVY 13-J079NG, Envy 13-j020nd, Envy 13t-j000, Envy X2 13-J002TU, ENVY X2 13-J000NI, ENVY 13-J001NF, Envy 13-j001ng, Envy X2 13-J001NE, Envy X2 13-J050SA, ENVY X2 13-J021ND, Envy 13-j000ne, Envy 13-j021nd, Envy X2 13-J000NE, ENVY X2 13-J001NI, ENVY 13-J020NI, Envy 13-j010ne, Envy X2 13-J001NG, Envy X2 13-J071NZ, ENVY X2 13-J030CA, Envy 13-j000no, Envy 13-j031ng, Envy X2 13-J020ND, ENVY X2 13-J010NE, ENVY 13-J050NA, Envy 13-j010nw, Envy X2 13-J001TU, Envy X2 13-J099NT, ENVY X2 13-J080NO, Envy 13-j000nt, Envy 13-j080no, Envy X2 13-J000NP, Envy X2 13-J030NG, ENVY X2 13-J010NW, ENVY 13-J070NZ, Envy 13-j011nw, Envy X2 13-J002NE, ENVY X2 13-J102DX, ENVY 13-J000NS, Envy 13-j001ne, Envy 13-j099nx, Envy X2 13-J000NX, Envy X2 13-J050NA, ENVY X2 13-J020NI, ENVY 13-J099NT, Envy 13-j020ne, Envy X2 13-J011NF, ENVY X2 13-J000NT, ENVY 13-J001NX, Envy 13-j002ne, Envy X2 13-J001NF, Envy X2 13-J070NZ, ENVY X2 13-J021NI, Envy 13-j030ng, Envy X2 13-J020CA, ENVY X2 13-J003TU, ENVY 13-J021NI, Envy 13-j010nia, Envy X2 13-J001NX, Envy X2 13-J098NX, ENVY X2 13-J079NG, Envy 13-j000np, Envy 13-j071nz, Envy X2 13-J000NO, Envy X2 13-J020NE, ENVY X2 13-J010NIA, ENVY 13-J050SA, Envy 13-j011nf, Envy X2 13-J000NS, Envy X2 13-J012DX, Envy X2 13-J000NG, Envy 13-j000, Envy X2 13-J000NA, Envy 13-j000ng, Envy X2 13-J000NF, Envy X2 13-J002DX, ENVY x2 Detachable 13.&lt;/div&gt;&lt;div&gt;&lt;br&gt;&lt;/div&gt;&lt;div&gt;&lt;b&gt;Follow the notice below, Better using your BV02XL Battery&lt;/b&gt;&lt;/div&gt;&lt;ol&gt;&lt;li&gt;Storage
 - Store your BV02XL Battery in a clean, dry,
cool place away from heat and metal objects. The BV02XL batteries will self-discharge during storage; remember stored at about 
40% state-of-charge.&lt;/li&gt;&lt;li&gt;Charge and discharge - For lithium ion 
batteries, you do not need to discharge them fully and recharge 
constantly. You need to do a full discharge only about every 30 charges.
 Do not charged to higher voltages than its threshold voltage&lt;/li&gt;&lt;li&gt;Exercise
 Your BV02XL Battery - Do not leave your batteries dormant for long 
periods of time. We recommend using the battery at least once every two 
to three weeks. If a battery has not been used for a long period of 
time, perform the new battery break in procedure described above.&lt;/li&gt;&lt;li&gt;Calibrate
 Your batteries - If your Battery's 76% even less in work , you must 
fully charge, fully discharge, and then fully recharge the Battery pack.&lt;br&gt;Consider removing the BV02XL battery from a laptop when running on fixed power&lt;/li&gt;&lt;li&gt;Do not short-circuit. A short-circuit may cause severe damage to the battery.&lt;/li&gt;&lt;li&gt;Avoid
 propping your laptop on a pillow, blanket, or other soft surface that 
can heat up. Your BV02XL battery is a lot less efficient when not 
within its standard operating temperature range.&lt;/li&gt;&lt;/ol&gt;&lt;p&gt;&lt;b&gt;Attention:&lt;/b&gt;&lt;/p&gt;&lt;ul&gt;&lt;li&gt;If
 the capacity is low in current,CPU will be in electricity-saving model 
and battery can not be charged.In this case,take off the battery and fit
 on to rouse the CPU. The BV02XL battery can be charged then.&lt;/li&gt;&lt;li&gt;Remove the battery when don't use if for long time,or the currency will be lost and the cell will be damaged.&lt;/li&gt;&lt;li&gt;Recharge
 the battery as the circle more than once per month to make the 
management of capacity reach its best status, and prolong BV02XL Battery useful life.&lt;/li&gt;&lt;/ul&gt;