Powerextra 2.0Ah Worx 20 Volt Lithium WA3520 Replacement Battery for WORX WG151s， WG155s， WG251s， WG540s， WG890， WG891 Worx 20v Lithium Battery<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Brand New |Li-ion battery cell，safer and longer run time| 20 Volts | 2000 mAh | 40Wh</li><li>Replace Worx Battery WA3520;Works with chargers WA3847 quick charger and WA3732 charger</li><li>Perfectly Compatible with WG151， WG151.5， WG155， WG155.5， WG251， WG251.5， WG255， WG540， WG540.5， WG890， WG891</li><li>Premium Lithium battery cells，can be charged freely without memory effect，Integrated microchip prevents overcharging &amp; lengthens battery life.</li><li>Products are CE certified， tested by manufacturer to match or exceed specifications of OEM products</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41uis5TLNjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51W%2BUJGn7tL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51d9gIthyhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51HbFu7scQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51pJJlvwOSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/417sf%2B%2BoFcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/410KMjqw2xL.jpg" noproxy>