The Nissin Digital NBC300 NiMH Replacement Battery Cluster is for use with the Power Pack Pro 300 high-power battery pack. This rechargeable NiMH battery cluster can be used as a replacement for one that has expired or can be kept charged up in your camera bag to use as a spare for uninterrupted shooting when constant power to your flash is required.
| 7.2V NiMH battery
|Number of Flashes
|Approx. 300 shots at full power
|200 full charges
| 0.5 sec fully charged on high power shoe mount type flashes
1.2 ~ 1.5 sec for handle-mount type flashes