HOBBYHOT SKYRC RC Model LiPoPal Voltage Checker & Equilizer for LiPo Battery BK212 Thank you gor purchasing skyrc`s lipopal (sk-50007). Please read this entire operating manual completely and attentively as it contains important information and safely notes. Lipopal is a very sophisticated electronic device that controlled by high performance microprocessor and precise resistors. Specifications. Applicable battery pack: 2-6s lipo. Voltage display tolerance:+/-1. 5%. Voltage display resolution: 0. 01v. Voltage display range: 0-5v.