It is a Lithium Battery Protection Board, It has over charge protection, over-discharge protection, short circuit protection, over-current protection. Suitable for 4-series lithium battery protection board 14.4V/14.8V/16.8V 15A High Current battery Charger

Module Parameters:

• Module Name: 4-series lithium battery protection board
• Overcharge detection voltage: 4.25 ± 0.025V
• Overcharge release voltage: 4.15 ± 0.05V
• Over-discharge detection voltage: 2.50 ± 0.08V
• Over discharge release voltage: 3.00 ± 0.1V
• Overcurrent current :20~30A
• Working current: 15A (natural cooling 10A, 15A if plus heat sink , Max. instantaneous current: 30A)
• Main features: over charge protection, over-discharge protection, short circuit protection, over-current protection.
• Working temperature: -40 to +85 Celsius ( please enhance heat dissipation when ambient temperature is over high)
• Wiring: Welding Output
• No part design on the back, can be attached to the heat sink.

Package include:

• 1 x Lithium Battery Protection Board