this type of battery as described below
2 Ah Replaces battery Models SLA1234 and is designed to replace the models of Access Battery and other manufacturers as described below
Gr-axm230u
Aspire 5220
6.0V, 4200mAh, Ni-MH Battery fits Quasar, 500vm-505, Vm-100, 25.2Wh Sealed Lead Acid Batteries>>0>>Chloride By Model>>1000010113 this type of battery asBattery Fits Models: 500vm 505, Vm 100, Vm 110vm, Vm 508, Vm 510, Vm 511, Vm 515, Vm 516, Vm518, Vm 520, Vm 521, Vm 522, Vm 524, Vm 525, Vm 526, Vm 530, Vm 535, Vm 538, Vm 539, Vm 540, Vm 544, Vm 545, Vm 547, Vm 549, Vm 55, Vm 550, Vm 555, Vm 560, Vm 565, Vm 575, Vml 457 Battery Part Numbers: CS NP66 This battery should be the same or greater capacity than the original battery. Cameron Sino batteries have manufactured generic batteries for many years.