Dimensions: 75.33x72.54x104.10 mm
100% compatible with the original tools.
It is 100% compatible with the original charger.
It has less memory effect than Ni-Cd battery, i.e. longer battery life.
It allows higher current drain, e.g. deliver more power and torque than Ni-Cd battery.
It's a replacement for the following Ryobi numbers:
9.6 Volt Ryobi Batteries