1. FOIF Charger FDJ6 for A18a-400, A19-500,D7-500, BT81, BT81A Ni-MH battery.  
2. The charger has a trickle charge feature. This ensures that the battery is always fully charged and ready for use.
3. Works and charges the same as the original.
4. Comes with 12 months manufacturer warranty.
5. Safety, CE, RoHS approval.