Sanik NiMH Battery 2SN-AAA55H-S-J1 the exact replacement for your old cordless phone battery packs. Made up of 2 x AAA rechargeable batteries the 2SN-AAA55H-S-J1 battery pack has two wires and the wide connector plug. The 2SN-AAA55H-S-J1 NiMH replacement battery is 2.4V and 550mAh, this 800mAh is Upgrade in capacity. Don't worry if your original battery had a lower capacity, the voltage and the plug are the important bit, simply check your plug is like the plug in the picture. All our stock is brand new and fully guaranteed for 12 months.