Summarized Features and Benefits:

• Protection Circuit Board for 14.8V 4 cells Li-ion and Li-polymer battery pack.
• Designed for 14.8V Li-ion or Li-Polymer battery.
• Prevents 14.8V Li-ion or Li-polymer battery from over-charging, over-discharging and from discharging current more than 5.7A.
• Internally trimmed charge and discharge voltage limits.
• Discharge current limit detection.
• Low current standby mode when cells are discharged.
• IC S-8254AAJ, MOS A4405.

Connection Instructions:

• B+: Connected to the first battery's positive terminal
• B1-: Connected to the second battery's positive terminal
• B2-: Connected to the third battery's positive terminal
• B3-: Connected to the forth battery's positive terminal
• B-: Connected to the forth battery's negative terminal
• P+: Connected to the battery's output or the charger's positive terminal
• P-: Connected to the battery's output or the charger's negative terminal