VELLEMAN VLEVP4 - Battery charger

VLEVP4 - Battery charger VELLEMAN - Free user manual and instructions

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Product type Smart battery charger
Brand Velleman
Model VLEVP4
Compatible batteries Li-ion 3.6/3.7 V : 10440, 16340, 14500, 14650, 17670, 18350, 18500, 18650, 18700, 22650, 25500, 26650
Input power 12 V DC / 1,0 A
Charge current options 0.25 A, 0.5 A, 1.0 A (constant current)
Cut-off voltage 4.2 V
Number of channels 4 independent channels
Display LCD screen: voltage, current, charge status, battery level
Protections Overheating, short circuit, reverse polarity, soft start
Special functions Reactivation of over-discharged batteries (0 V), fireproof casing, DC-DC Buck circuit
Dimensions 147 x 115 x 35 mm
Weight 218 g
Operating temperature 0 °C to 40 °C
Maintenance and cleaning Clean the casing with a damp cloth
Warranty 24 months (consumer)

Frequently Asked Questions - VLEVP4 VELLEMAN

What types of batteries can I charge with the VLEVP4?
The VLEVP4 is compatible with rechargeable lithium-ion (Li-ion) batteries of 3.6 V / 3.7 V, including sizes 10440, 16340, 14500, 14650, 17670, 18350, 18500, 18650, 18700, 22650, 25500, and 26650.
How to choose the charging current?
Use the current button to select 0.25 A, 0.5 A, or 1.0 A. For small batteries (10440 to 18700), prefer 0.25 A. For batteries with capacity ≥ 2500 mAh, use 0.5 A. For fast charging of batteries ≥ 2000 mAh, choose 1.0 A (only if channels 2 and 3 are empty).
Does the charger stop automatically?
Yes, once the battery is fully charged, charging stops automatically. The voltage is maintained at 4.2 V and the indicator turns green.
Can I charge different types of batteries at the same time?
Yes, each channel is independent. You can charge batteries of different sizes and capacities simultaneously, provided they are all Li-ion 3.6/3.7 V.
What to do if my charger does not detect the battery?
Check that the battery is inserted in the correct direction (+/-). If the voltage is below 1.0 V, the charger may not display it. Try activating the 0 V function by placing the battery in the channel and selecting a low current (0.25 A).
Does the charger heat up during use?
The VLEVP4 has overheat protection and an efficient DC-DC Buck circuit that reduces power loss. Slight warmth is normal, but if excessive overheating occurs, unplug it and let it cool down.
How to clean the charger?
Unplug the charger and clean the casing with a soft, damp cloth. Do not use solvents or abrasive products.
Is the VLEVP4 compatible with Ni-MH batteries?
No, this charger is designed only for lithium-ion (Li-ion) batteries of 3.6 V / 3.7 V. Do not use with other battery types.
What to do if the screen shows nothing?
Check that the power adapter is properly plugged in and the outlet works. In standby mode, the screen displays the default current. If the screen remains black, press and hold the current button to turn it back on.
How can I know if the battery is charging?
The LED indicator is red during charging. The LCD screen displays level bars: 0-20% (flashing red), 20-40%, etc. Once full, the indicator turns green and the bars stop flashing.

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USER MANUAL VLEVP4 VELLEMAN

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Product information

Brand : VELLEMAN

Model : VLEVP4

Category : Battery charger