UGP4 - Battery charger Nitecore - Free user manual and instructions
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| Product Type | Battery Charger |
| Brand | Nitecore |
| Model | UGP4 |
| Number of Charging Bays | 4 |
| Compatible Battery Types | Rechargeable AA and AAA (Ni-MH / Ni-Cd) |
| Input Interface | USB-A |
| Input Voltage | 5V DC |
| Input Current | 2A (maximum) |
| Output Current | 1.5A per bay (maximum, intelligent charging) |
| Charging Modes | CC-CV (Constant Current - Constant Voltage) |
| Display | LED indicators |
| Dimensions | 105 x 70 x 28 mm (approximate) |
| Weight | 92 g (approximate) |
| Safety Features | Overcharge, over-discharge, reverse polarity, short-circuit protection |
| Cooling | Passive cooling vents |
| Operating Temperature | 0°C to 40°C |
| Included Accessories | USB-A cable |
| Maintenance | Wipe clean with a dry cloth; avoid moisture |
| Repair Information | Consult the user manual; contact Nitecore support for spare parts |
| General Information | Easy-to-use plug-and-play design; automatic battery detection |
Frequently Asked Questions - UGP4 Nitecore
What types of batteries can be charged with the Nitecore UGP4?
The UGP4 is designed for rechargeable Ni-MH and Ni-Cd batteries in AA and AAA sizes. It automatically detects the battery type and applies the appropriate charging algorithm.
How long does it take to charge AA batteries?
Charging time depends on the battery capacity. For a standard 2000mAh AA battery, it takes approximately 2.5 hours with one of the bays delivering 1.5A. The UGP4 intelligently adjusts the charging current to optimize speed and safety.
Can the UGP4 charge only one battery at a time?
Yes, the UGP4 supports charging 1 to 4 batteries independently. Each bay has its own charging circuit, so you can mix AA and AAA batteries and different capacities.
Does the charger automatically stop when the battery is full?
Yes, it uses the CC-CV (constant current/constant voltage) charging method and automatically terminates charging when the battery is fully charged, preventing overcharging and extending battery life.
Is the UGP4 safe to use overnight?
The charger includes multiple safety protections such as overcharge, overcurrent, and reverse polarity protection. However, it is recommended to unplug the charger after charging is complete for maximum safety, as with any device.
How do I clean and maintain the charger?
To clean the UGP4, unplug it and wipe the charging contacts and outer casing with a soft, dry cloth. Avoid using liquids or abrasive materials, and never submerge the device in water.
Can I charge batteries while the charger is connected to a USB port?
Yes, the UGP4 is powered via a standard USB port, such as a wall adapter, power bank, or computer. For optimal performance, use a USB power source that provides at least 2A output.
What does the LED indication on the charger show?
The four LEDs correspond to each charging bay. A blinking red LED indicates charging in progress, and a solid green LED indicates the battery is fully charged and ready to use.
Is the UGP4 suitable for charging rechargeable lithium-ion batteries?
No, the UGP4 is only compatible with Ni-MH and Ni-Cd batteries in AA and AAA sizes. It is not designed for lithium-ion (Li-ion) batteries.
Where can I find a user manual or spare parts?
The user manual is available for free on Notice-Facile.com. For spare parts or repairs, contact Nitecore's official customer service to ensure genuine parts and proper guidance.
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USER MANUAL UGP4 Nitecore
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Product information
Brand : Nitecore
Model : UGP4
Category : Battery charger