Integrated LCD panel clearly displays charging parameters and progress.
Each of the four battery slots monitors and charges independently.
Capable of charging 4 batteries simultaneously
Compatible with and identifies Li-ion, Ni-MH and Ni-Cd rechargeable batteries.
Optimized charging design for IMR batteries
Two conveniently located side buttons allow easy selection of specific battery types and charging parameters
Intelligent circuitry detects the battery type and status before entering automatic charge mode (CC, CV, dV/dt)
Automatically detects battery power status and selects the appropriate voltage and charge mode
Automatically stops charging when complete
Over-charge prevention & Temperature monitoring to protect batteries
Reverse polarity protection
Battery Activation: For every installed battery, the D4 will activate the battery by charging it for six seconds at a low current. If zero voltage is detected, all three yellow power indicators will blink quickly. If activation fails the first time, please remove and reinstall the battery once again and activate for the second time. Note: The D4 is not recommended for use with over-discharged (zero volt) UNPROTECTED Li-ion batteries. Li-ion batteries without a protection circuit can potentially cause a fire or explosion.
Specifications: Input: AC 100-240V 50/60Hz 0.35A(MAX), DC 12V 1A Output voltage: 4.2V ±1% / 3.7V ±1% / 1.48V ±1% Output current: 375mA x 4 / 750mA x 2