Do you need more power for your photo sessions? You should get the AVACOM for Nikon EN-EL11 Olympus Li-60B Pentax D-LI78 SONY NP-BY1 Li-Ion 3.6V 600mAh 2.2Wh. The Lithium-ion (Li-ion) battery has a capacity of 0,6Ah and its voltage is 3,6V. You don't need to fear of being unable to take photos because of the lack of battery life.
To prolong a camera battery life, you must provide it with extra care. The Camera Battery AVACOM for Nikon EN-EL11 Olympus Li-60B Pentax D-LI78 SONY NP-BY1 Li-Ion 3.6V 600mAh 2.2Wh may suffer damage if it has been completely discharged and left unused for a longer period of time. The battery should function well if you don't expose it to direct sunlight, temperatures higher than 60°C or temperatures below zero. You should also protect your camera's battery against mechanical damage, moisture and chemicals.
Specifications can be changed without notice. Images are for illustrative purposes only.