nitecore ums4 usb fast charger

UMS4 - Ultra-fast Universal Battery Charger - for Ni-MH, Li-ion and IMR - AA, AAA, 14500, 18650, 21700 and RCR123A Universal, intelligent and incredibly fast battery charger. It can automatically identify what type of battery you have inserted: Lithium (LiFePO4, IMR and Li-Ion such as CR123A, 18650 or 21700) or Alkaline (Ni-MH and Ni-Cd such as AA or AAA and C batteries) and automatically applies the correct charging voltage and voltage. Each of the 4 charging slots is independently managed by a microprocessor capable of monitoring the batteries independently. The backlit, multifunctional LCD screen also helps you keep everything under control. Very simple to use: just insert the battery, it takes care of the rest! Features:* Charges 1 to 4 batteries simultaneously* Each charging slot is independent* Automatic identification of the type of battery inserted* Automatic identification of the voltage* Automatic identification of the type of charge (CC, CV and TC)* Backlit LCD screen to monitor the charge* Protection against reverse polarity* Optimal heat dissipation* Can be used on a fixed network, with a power bank or with solar panels* CE and RoHS certificationsTechnical Specifications:* Input Voltage: DC 5V/2A; 12V/1.5A* Input Power: 18W (Max)* Output Voltage: 4.35V / 4.2V / 3.7V / 1.48V* Output Current: 5000mA max - 3000mA on single slot - 2000+3000mA on two slots - 1000mA on 4 slots (also manually selectable during charging)* Dimensions: 159x107x41 mm.* Weight without batteries: 255.4g.* Compatible with IMR / Li-Ion / LiFePO4 batteries: 10440, 14500, 14650, 16500, 16340(RCR123), 16650, 17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650, 26700* Compatible with Ni-MH / Ni-CD batteries: AA (pencil), AAA (mini-pencil), AAAA, C (half-torch), D (torch)Precautions:* Do not recharge different types of batteries other than those indicated* Do not leave the batteries unattended during charging* When the batteries are charged, remove the batteries from the charger to prevent the batteries from discharging