Vapcell specializes in high-quality rechargeable lithium batteries, intelligent fast chargers, and portable power stations for everyday electronics.
Vapcell is an innovative manufacturer dedicated to providing high-quality power solutions, including advanced rechargeable batteries, intelligent fast chargers, and portable energy storage systems. Known for their reliability and precision, Vapcell products cater to a wide range of applications from everyday consumer electronics to specialized professional gear.
Their comprehensive lineup of smart chargers, such as the BL4, SU2, and S4 Plus, features versatile testing modes, auto-detection of battery types (Li-ion, Ni-Mh, LiFePO4), and precise internal resistance measurement. In addition to precision chargers, Vapcell manufactures high-drain rechargeable batteries (including 18650, 21700, and 18350 cells) and robust portable power stations like the ES400, offering dependable power for camping, emergencies, and outdoor activities.
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To accurately measure battery capacity, use the 'Cap test' (Capacity Test) or 'Discharge' mode. The charger will fully charge the battery, discharge it to the cut-off voltage at a constant current while measuring capacity, and then fully recharge it. The drained capacity displayed during the discharge phase is the true battery capacity.
Yes, models like the Vapcell BL4, SU2, and S4 Plus feature a USB output port. By inserting charged Li-ion batteries and cutting off the main power input, the charger will activate the USB output, allowing you to charge mobile phones and other 5V USB devices.
Vapcell smart chargers are compatible with most cylindrical rechargeable batteries, including 10440, 14500, 18350, 18650, 20700, 21700, and 26650 sizes. They automatically detect Li-ion, Ni-Mh, and Ni-Cd chemistries, though LiFePO4, 4.35V, and 1.5V Li-ion batteries typically require manual selection using the Type button.
In UPS mode, you connect the ES400 between a wall socket and your device. When grid power is available, the device runs directly off the wall AC. If the power grid gets cut off, the station automatically switches to its internal battery power within 10 milliseconds to ensure uninterrupted AC output.