True Mast T1 Battery- P015

True Mast T1 Wireless Battery Tattoo Power Supplies Attention: Batteries are NOT intended for use with proprietary rotary or coil tattoo machines.Short press power ON, press + and - to adjust voltage,0.1V voltage adjust.Long press Power and "-" button together, If show B0 on the screen, that mean start-up function openLong press Power and "-" button together, If show B1 on the screen, that mean start-up function offBig battery catacity 1350mAh, can use for about 5-6 hours. The working time of lithium batteries will decrease at low temperatures, which is normal. Super lightweight, making it easy on the wrist and hands.  Specifications:Charge time = 3 hrsWeight: 53gDiameter: 32mmLength: 50mmBattery Capacity: 1350mAhWorking Voltage: 5-12V