Nitecore UMS4 – Intelligent 4‑Slot USB Fast Charger Power up your battery setup with the Nitecore UMS4, a high-speed charger built for versatility, safety, and smart performance. Whether you’ve got...
Nitecore UMS4 – Intelligent 4‑Slot USB Fast Charger
Power up your battery setup with the Nitecore UMS4, a high-speed charger built for versatility, safety, and smart performance. Whether you’ve got high-capacity Li-ion cells or smaller AA/AAA/NiMH gear, this charger adapts to meet your needs.
Key Features:
Four independent charging bays, allowing different current settings for each slot
Supports QC 2.0 input (Quick Charge) for faster charging when using compatible adapters
Maximum output of ~ 3,000mA for a single slot, with lower shared currents when more batteries are in use
Standard charging mode also available with lower current settings for safer charging of smaller or more sensitive batteries
Compatible with many battery chemistries: IMR, Li-ion, LiFePO₄, NiMH, Ni-Cd
Supports wide range of battery sizes: from small cells (like 10440) to large ones (up to ~ 26700)
LCD display shows real-time data: charging current, voltage, battery health/internal resistance, charged capacity, and charging time
Built‑in safety protections: reverse polarity protection, short circuit protection, over-discharge recovery, IMR battery restoration, and thermal regulation
Energy-saving mode dims display after idle time
This charger is a solid choice for anyone who stacks batteries or uses power-hungry devices, offering fast, flexible charging with the safety features you expect from Nitecore.
*Electronic Devices Such as 510 batteries, vaporizers, disposables, etc. are not eligible for exchanges, refunds, or returns once they have been opened. Please refer to the original branded packaging of the item to find the manufacturer's contact information and manufacturer's warranty. Customers will need to contact the manufacturer on their own behalf to request a replacement or solution.
