12V 400mA Power Supply Module Low Power 12V 0.4A, 5W LED Constant VoltageProduct DescriptionType:Module, Use For:Universal, Module Function:Button, Switch & Potentiometers, Dimension(cm):4.0 x 1.5 x 1.7, Net Weight(kg):0.01,..
ong WP7-12 Rechargeable Sealed Lead Acid Battery of 12V, 7Ah/20Hr provides high performance and long service life.Safe and effective explosion-proof and ventilation design.Available for side, vertical, or upright installation.Non-spill able and maintenance free.Long life and low self-discharge rate...
Features:on-board precision voltage detection chip and power regulator chip 2, onboard four battery indicator LED lights, three colors display, red, yellow, yellow, green representing 20%, 50%, 80% and 100% of the electricity 3, set aside all the way battery testing interface, and two moun..
Features :1.Battery type electricity quantity display2.Wide application fields:lithium battery3.Using Method:connect display board positive and negative port with tested battery positive and negative port,digital tube will display real-time battery electricity quantity4.Digital Color:outline re..