Features: Brand new and high quality This electronic charger is the perfect solution for all your 3.7V and 4.2V lithium-ion battery charging needs, ensuring a fast and efficient charge every time. Made from high-quality ABS material, this charger is durable, lightweight, and portable, making it ideal for use at home or on-the-go. Designed for consumers in need of a reliable and versatile battery charger, this product is perfect for photographers, travelers, and anyone who relies on their devices for work or play. Whether you're out in the field taking photos or traveling abroad, this charger will keep your batteries charged and ready to go. Its compact size and easy-to-use design make it perfect for use in any setting. With its fast charging capabilities, high-quality construction, and compatibility with a wide range of lithium-ion batteries, this charger is a must-have accessory for anyone looking to stay powered up on-the-go. Specifications: Item Type: Lithium Battery Solar Charge Module LED Indicator: ''CR'' LED is charge status indicator; ''OK'' LED is fully charged OR constant voltage mode Dimension: 18x10.16x2.7mm Package Includes: 1 x Solar Charge Controller note: No retail package. Please allow 1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.