Powerextra 18V 3000mAh Ni-Mh Replacement Battery for WORX WG150 WG152 WG153 WG250 WG541 WG900 WG901 (WORX 18 Volt) Brand New |Ni-Mh battery cell,safer and longer run time| 18 Volts | Full Real Capacity 3000 mAh | 54Wh Replace Worx Battery WA3127;Compatible with Charger:WA3709,WA4094(Note:This battery not Compatible with the C1817A005 Ni-CD charger) Perfectly Compatible with WORX WG150,WG152,WG153,WG250,WG541,WG900,WG901 Premium Ni-Mh battery cells,can be charged freely without memory effect,Integrated microchip prevents overcharging & lengthens battery life. Products are CE certified, tested by manufacturer to match or exceed specifications of OEM products