Nitecore D4 Digicharge universal home/in-car battery charger, Four Nitecore 18650 NL189 3400mAH rechargeable batteries with 2 X EdisonBright AA to D type battery spacer/converters

Nitecore D4 battery charger automatically detects Li-ion, Ni-MH and Ni-Cd batteries, and through manual selection is also capable of charging LiFePO4 batteries. Intelligent charging circuitry selects the optimal charging mode (CC, CV and dV/dt) for a given battery and each of the D4's four microcomputer-controlled charging slots then monitors and charges the battery independently. Furthermore, an integrated digital LCD screen clearly displays charging progress, voltage, current and time while an intelligent automatic power-off function terminates current when charging is complete. The Nitecore D4: The world's most advanced fully-automatic digital charger. It's as simple as insert, detect and charge. Features: • Two conveniently located side buttons allow easy selection of specific battery types and charging parameters • Automatically detects battery power status and selects the appropriate voltage and charge mode (with the exception of LiFePO4 batteries which require manual selection) • Compatible with LiFePO4 batteries • Compatible with small capacity batteries • Features over-charge prevention to protect batteries • Features reverse polarity protection Nitecore 18650 NL189 3400mAH rechargeable battery A high performance rechargeable battery from Nitecore specially designed for high drain devices like Nitecore TM series and other high power LED search light and tactical flashlights. Features: Nitecore 18650 3.7V Protected Li-ion rechargeable batteries. Capacity: 3400mAh Chemistry: Li-ion Recharge: up to 500 cycles This bundle includes Four Nitecore 18650 NL189 3400mAH rechargeable batteries with 2 X EdisonBright AA to D type battery spacer/converters