Features:

Short circuit protection
Overcharge protection
Over-discharge protection
Overcurrent protection
overcharge detection voltage :4.25-4.35v±0.05v
over discharge detection voltage :2.3-3.0v±0.05v
Maximum working current:4A-5A
Transient current:6A-7A
operating temperature:-40-50℃
Internal resistance ： Less than 45 m Ω
Not include the nickel

Package Included:

1PCS * 4S 6A Li-ion Lithium Batterie 3.7v 18650 Charger Battery Protection Board