CyberTech Super Extended 3800mAh Replacement Battery 2-Pack Compatible for Neato xv-11 xv-12 xv-15 xv-21 xv-25 Signature XV Pro VR100 945-0005 205-0001 945-0006 945-0024 Robotic Vacuum Cleaner &#10004;2x Rechargeable Extended Long Lasting Replacement Batteries 3800mAh 7.2V Ni-MH 23.0 Wh &#10004;Compatible for all current Neato Vacuums. Neato xv-11 xv-12 xv-15 xv-21 xv-25 Signature XV Pro VR100 &#10004;This replacement battery has an integrated microchip that prevents overcharging and lengthens battery life &#10004;Advancessd Ni-MH technology provides improved energy density, Longer operating time with 4 times longer battery life, Li-NMC power cells remain at 80% capacity after 800 cycles, No memory effect + low rate of self-discharge &#10004;Patented battery balancing technology Built-in over protection circuits provide safety and reliability, Battery cell packs assembly in Taiwan, quality guaranteed!