- line team on Amazon, which deals simply with development of the tools. We ourselves to using qualitative tools to improve the lineament of life. Tacklife MBT01 battery tester is but powerful, it can test divers battery types. It is very to carry and arrant for home use, and no batteries required. Very in our unit of time life Features ? . No batteries required It is activated by the battery being checked, you can the location of the pointer to determine the battery power, `` righteous '' -LRB- labor leader -RRB-, `` depleted '' -LRB- dishonorable -RRB-, and `` replace/recharge '' -LRB- bloody -RRB- battery status ? . Test divers Battery Types It can divers battery types, AAA, AA, C, D, 9V, 1.5 V button Type. It is very in our unit of time life ? . Perfect for home use We batteries widely in our unit of time life, so it can help us better to check which batteries are righteous or needed to replace. This will us from wasting perfectly righteous batteries by throwing out righteous ones. It is very for us ? . Easy to use and carry It is and cypher, very well-heeled to carry, and it is also very sample to use. We just to put the batteries in chide, and watch the location of pointer, calibrated scale to quickly identify `` righteous '' -LRB- labor leader -RRB-, `` depleted '' -LRB- dishonorable -RRB-, and `` replace/recharge '' -LRB- bloody -RRB- battery status Specifications Item Weight : 2.4 ounces Product Dimensions : 4.3 * 2.4 * 1.1 inch Color : unclean Test battery types : AAA, AA, C, D, 9V, 1.5 V button Type Power : No batteries required Package content : 1 * Tacklife MBT01 Battery Tester 1 * User vade mecum 1 * Warranty Card 1 * 24 month Warranty Note You can simply test battery voltage to determine whether the capacity of the battery is depleted or screechy. It wo n't directly the battery capacity precisely .