SmallRig Portable Charger Case Kit for En-EL15c Camera Batteries 5697 includes two high-performance batteries and a dual-channel fast charger. Featuring a full decoding chip, this kit ensures full compatibility with Nikon En-EL15c batteries, eliminating pop-up warnings while supporting in-camera power display and original charger use. Each battery delivers a true-rated output of 2520mAh, providing extended shooting time for demanding workflows.The compact charging case holds two batteries, fitting comfortably in your palm, making it ideal for on-the-go use. With a dual-channel design, it allows for simultaneous charging of two batteries or single-battery charging. Equipped with an 18W Usb-c fast charging port, it can fully charge two batteries in approximately 2.5 hours, significantly reducing charging time for boosted efficiency.The high-definition display clearly indicates the battery level for each channel, even when disconnected from power, ensuring you're always aware of the remaining charge. If battery levels drop critically low, the battery icon will flash, alleviating low-battery anxiety during shoots.Intelligent circuitry offers multiple safety protections, including over-temperature and over-voltage safeguards. It monitors temperature and voltage, automatically slowing down charging during overheating, cutting off power in case of overvoltage, and employing trickle charging near full capacity to preserve battery health.Additionally, the charger comes with a fast-charging cable, making it compatible with wall adapters, car chargers, and power banks for versatile recharge options in any shooting scenario.Note: Recommended to use a power adapter with 18W or higher output..