Waterproof 8100V LCD Battery Monitor with Large Digital Display for Real Time voltage, temperature, and capacity tracking. Ideal for leadacid batteries in carts. Real time monitoring: displays voltage from 8 to 100V, battery temperature, and remaining capacity on a large LCD for quick, ataglance reads. Readability and alarms: features a 4.5 cm wide LCD screen and and low voltage alarms to help prevent overdischarge or overvoltage conditions. Nominal splash resistance supports use in outdoor environments. Broad compatibility: designed for cyclists, vehicle owners, and electric vehicle users who need precise battery management across 12V to 84V systems, including leadacid batteries. Secure mounting and data retention: mounts securely on carts, bikes, or marine equipment using included brackets and color coded wires. Retains data during power offs for uninterrupted usage. Practical use scenarios: Golf carts or utility carts requiring clear, ongoing battery status for planned operation and maintenance. Electric bikes or scooters needing continuous monitoring of voltage, temperature, and capacity during rides. Small boats or marine equipment where outdoor exposure and reliable data retention are important for battery management. Key attributes: Function: real time monitoring of voltage, temperature, and capacity Compatibility: supports 12V to 84V systems, includes leadacid batteries Size: 4.5 cm wide LCD display Material and protection: waterproof construction with nominal splash resistance for outdoor use Performance: data retained through power offs for uninterrupted usage Installation: includes mounting brackets and color coded wires for secure, organized setup