The HXYP-1S-4012A is a single-cell (1S) 12A Battery Management System (BMS) and protection board designed primarily for 3.2V/3.6V Lithium Iron Phosphate (LiFePO4) battery cells.
 
Technical Specifications
Battery Type: 1S LiFePO4 (3.2V nominal, 3.6V charging voltage)
Dimensions: 40 x 12 x 3.5 mm
Operating Current: 12A upper continuous limit
Transient/Peak Current: 17A limit
Overcharge Protection: Detects at 3.75V ±0.05V
Over-discharge/Over-voltage
Protection: Detects at 2.1V ±0.05V
Static Current: Less than 30uA
Short Circuit Protection: Included with delayed self-recovery
 
Wiring Terminals
B-: Connects to the negative pole of the battery
B+: Connects to the positive pole of the battery
P-: Connects to the negative pole of the charger/load (Output/Input negative)
P+: Connects to the positive pole of the charger/load (Output/Input positive)