Product Dimensions:10 x 8 x 3 cm; 40 Grams Item weight:0.04 Kilograms Specifications: This battery charging controller has the function of parameters adjustable, power failure memory function. When the battery is under voltage, disconnect the load and connect the charger. When the battery is over voltage, disconnect the charger and connect the load. Specifications: Model: YX815 Control voltage: 10V-60V Control current: 20A Control accuracy: 0.1V Voltage error: 0.1V Scope: storage battery, lithium battery, etc Packing: antistatic bag Size: 7.9 x 4.3 x 2.8cm/3.11 x 1.69 x 1.10inch Installation size: 76 x 39.5mm/2.99 x 1.56inch Weight: 44g Package Included: 1 x Battery Charging Controller Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. [Adjustable Parameters] Easily control battery charging and discharging with a battery charging controller module that features adjustable parameters to meet various needs. [Multiple Protection Functions] Built-in multiple protection functions including undervoltage protection, overvoltage protection, and load control, effectively safeg the battery for safe use. [Precise Control with Memory Function] Ensure precise and reliable charging and discharging control based on high accuracy of 0.1V control voltage, with power failure memory function to prevent data loss. [Wide Application Scenarios] Suitable for various battery types such as storage batteries and lithium batteries, widely used in solar photovoltaic systems, automotive power supplies, and more. [Compact and Convenient Design] Compact size and lightweight design for easy installation and portability, providing a convenient charging control experience. [Adjustable Parameters] Easily control battery charging and discharging with a battery charging controller module that features adjustable parameters to meet various needs. [Multiple Protection Functions] Built-in multiple protection functions including undervoltage protection, overvoltage protection, and load control, effectively safeg the battery for safe use. [Precise Control with Memory Function] Ensure precise and reliable charging and discharging control based on high accuracy of 0.1V control voltage, with power failure memory function to prevent data loss. [Wide Application Scenarios] Suitable for various battery types such as storage batteries and lithium batteries, widely used in solar photovoltaic systems, automotive power supplies, and more. [Compact and Convenient Design] Compact size and lightweight design for easy installation and portability, providing a convenient charging control experience.