The XTAR MC4S charges up to four batteries simultaneously via its independent 4-slot design, automatically selecting the most efficient current (0.5A or 1.0A) for each slot. It accepts a wide range of Li-ion cylindrical formats — 10440 through 26650 — plus Ni-MH and Ni-CD cells from AAAA to C size.

Power is supplied through a Type-C input (DC 5V 2.1A), making it easy to use with standard phone chargers and power banks. Seven built-in protection functions and 0ΔV / -ΔV smart charging extend battery life and ensure safe operation.

Key Features

• 4 independent charging slots with mixed chemistry and size support
• Type-C power input (DC 5V 2.1A) — compatible with standard USB-C adapters
• Automatic current distribution: 1A × 2 slots or 0.5A × 4 slots
• 0ΔV and -ΔV smart charging algorithms to maximise and protect battery life
• Seven protection functions for safe charging
• LED indicators show charging status for each slot at a glance
• Accepts two 26650 batteries in slots CH1 and CH4 plus two unprotected 21700 in CH2 and CH3

Product Benefits

• Mixed charging means different battery types and sizes can be charged in the same session
• Current-adaptive circuitry selects the highest safe current per slot, reducing total charge time
• Type-C input lets you charge from a laptop, power bank, or car charger without a proprietary adapter
• Smart algorithms prevent overcharge, over-discharge, and short circuit damage
• LED status display removes guesswork — each slot shows its charge state independently

Technical Specifications

• Model: XTAR MC4S
• Input: DC 5V 2.1A (Type-C)
• Charging slots: 4 independent
• Continuous current: 1A × 2 / 0.5A × 4
• Output voltage: 4.20 ± 0.05V
• Output current (cut-off): ≤ 70mA
• Compatible Li-ion formats: 3.6V/3.7V Li-ion/IMR/INR/ICR — 10440, 14500, 14650, 16340, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22650, 25500, 26650
• Compatible Ni-MH/Ni-CD formats: AAAA, AAA, AA, A, SC, C
• Operating temperature: 0–40°C
• Dimensions: L100mm × W97mm × H26.5mm
• Net weight: 95g

Why You'll Love It

• One charger handles virtually every common cylindrical battery format — no need for multiple chargers
• Type-C input works with the same cable you use for your phone
• Compact 100×97×26.5mm footprint fits in a drawer, travel bag, or on a desk without clutter
• Package includes 1× XTAR MC4S charger, 1× USB cable, 1× user manual, 1× warranty card