Battery grip -No additional power is required for digital SLR cameras.Usually, connect to another platform on the camera from below.The battery handle may be an additional shutter release button..Battery grip -No additional power is required for digital SLR cameras.Usually, connect to another platform on the camera from below.The battery handle may be an additional shutter release button that is necessary for comfortable vertical (portrait) frame shooting.The battery gripoften consists of two trim levels: the first-The niche of the simulated battery, the seconda niche for 4-6 AA batteries.Without this device, if you use a second analog battery, you can at least charge the camera twice at a time to extend the life of the camera.If you use battery grip combined with six AA batteries, the number of frames captured will still increase several times.Why is that?Because the camera's battery capacity is usually 1900.2500 mAh, using two batteries with a capacity of 3800-5000 mAh.If you use an AA battery as a battery, your camera capacity can be increased to 10800-12000 mAh.But the most important thing about using AA batteries isThis is something that we can't forget to properly store, after doing our best to remove the battery pack, because some of their own boosters may be removed every night, or worse, if all the batteries flow.Use of extra power-This is not the full benefit of the battery pack.They have shutter buttons that will be especially useful when taking full-grown vertical photos, especially in wedding photography.Battery handle equipped with the latest generation of wireless remote control start-up system.Even a simple amateur camera, the battery handle has a shutter button that makes it easy to take vertical photos.Without having to twist your arms to slide on the floor, you can press the precious button.There is also an on/off button for the camera itself nearby.First of all, it's a bit hard to get used to capturing such a way, but you can't deny the fun of doing more vertical photos yourself.Amateur and halfProfessional cameras, even with optical systems of the same category, have very low weight, such as 1/30-under short exposure-1 / 60 sec.Invisible handshakes blur the image.It's a bit difficult to fix such a device, but that's not the case when there's a booster, an experienced "finger" battery.Heavy machines are much easier