2S Lithium Ion BMS Board Round Shape

Protection circuit (BMS) for 2-cell Li-Ion / Lipo 8.4V batteries. Monitor charge and discharge, protecting the battery from overcharging. Reduced size. Easy installation in 18650 battery packs. It has a load capacity of up to 5A. Its must have a capacity equal to or greater than the power supply by its PACK (between 8.4V to 9V).

Specifications:

• Model: 2S 5A BMS;
• Charge voltage range: 4.25 +/- 0.05V to 4.35V;
• Size: 17.3 * 17.3 * 17.3mm;
• Discharge voltage range: 2.5 +/- 0.05V to 3.0V;
• Maximum working current: 5A;
• Working temperature: -40 to +50 °C;
• Maximum instantaneous current: 7A;
• Storage conditions: -40 + 80 °C;
• Static electricity: less than 10ua;
• Service life: more than 50000 hours;
• Resistance: less than 300m;
• Short circuit protection: to protect and restore must charge;
• Charging voltage: 8.4V to 9V.

Welding point:

• B+ connect the anode (positive) of the battery;
• B- connect the cathode (negative) of the battery;
• MB, connect battery 1 and 2 before the junction points;
• P+ correct load/unload response (load/unload end sharing);
• P- respond to negative charge/discharge end (load/discharge end sharing).