XTAR PB2S 18650 Batteries Charger UK USB C Port 18650 Fast Charger Unprected 20700 21700 Battery Charger Two Ports Output Not included Batteries (Black)

Product Information

During charging, the numeric display shows the input voltage, current and battery capacity percentage. The charger generally starts at a fairly high current, this may be fine for 21700 and high current 18650, but it not ideal for high capacity 18650. Soft-Start Function: The soft start function in a power supply circuit minimizes large startup currents from flowing when the input power is first applied. As power is first applied to a circuit, the capacitors must be charged from zero to their final values, while the inductors and transformers need to have their flux stabilized. (Source Sunpower UK) Xtar PB2S opladeren har mulighed for at genaktivere dybt afladet celler og celler med en spænding på 0V. Mange opladere på markedet kan ikke oplade sådanne batterier. Xtar PB2S opladeren er virkelig bevendt her, og kan i mange tilfælde "redde" sådanne celler. Man indsætter blot det/de dybt afladet batteri i PB2S opladeren, nøjagtigt som ved en normal opladning, og opladeren vil detektere en/de afladet celle(r) og forsøge at genaktivere den/dem.

PB2S has two sweet details. One is the ribbon added to the channel. When you remove the battery, you only need to pull the ribbon up, and you don’t have to dig the battery by your fingers. This will protect the battery and your fingers. XTAR PB2S takes the portable charger and battery bank all rolled into one. It supports 18650 unprotected/protected and 21700 unprotected batteries. The max length of supporting battery is around 73~74mm. Professionel processorstyret oplader til Li-ion 18650/20700/21700/26650 celler med powerbank funktion By connecting the adapter and inserting the cells, the charger will automatically start charging. The input supports most of the fast charging protocols. When fast charging, the input current and voltage will be 9V 2A, and the charging current will be 2A x 2/2A x 1. When not fast charging, the input current and voltage will be equal to 5V 2A, while the recharge current will correspond to 2A x 1/1A x 2.Over-Voltage: When the voltage in a circuit or part of it is raised above its upper design limit, this is known as over-voltage. The conditions may be hazardous. Depending on its duration, the over-voltage event can be transient—a voltage spike—or permanent, leading to a power surge. (Source Wikipedia) For those who have many 21700 and 18650 batteries, the XTAR PB2S makes full use of the idle battery. It is indeed a very good on-the-go choice.

The box can also do QC12V, but here the converter has some trouble with a 10ohm (1.2A @ 12V) load, maybe that is the reason it is not listed in the specifications. It maintains the voltage above 11V, this means it will work with most (if not all) devices requiring QC12V and not using more than 1.2A.After inserting the battery and pressing the side button, the display shows "OUT1" as output with a battery charge percentage of 98%. The battery XTAR supplied me was their own branded battery. It’s an INR 18650 2600 High-drain Li-ion Battery. Below is table of the capabilities of this battery. The PB2S data shows a slight deviation from the tester. Taking into account the input and output status, the internal resistance of the charging cable and other factors, the reading is relatively accurate. The front-mounted display shows real-time charge/discharge current and voltage, and battery capacity percentage, and supports one-handed button operation to control the charge voltage and current of each battery. The power bank can easily deliver the rated 2A with fresh batteries and it has overload protection around 2.7A.

The display screen shows the Input voltage, current & capacity percentage (Output voltagewhen used as a power bank) and using the side button you can scroll between cell 1, cell 2 & both. The specifications are listed on the bottom, but are not fully correct, the box can also deliver QC 12V output, but has trouble maintaining that voltage when loaded, the USB-C connector can supply 5V. I like the size of the charger and the magnetic lid is easy to open. The charging looks good, but batteries must be able to handle 2A charge current. The voltage and current values are not that precise, but good enough to give an idea. Plan on a journey or an adventure? You must not forget the charging gears. For me, I usually take many electronic devices such as iPhones, earphones, iPad, flashlight and camp lamps. Therefore, I need lots of power. But carrying a large capacity power bank is so heavy. How can I deal with this problem?The magnetic lid covers your removable batteries, dust-proof and drop-proof. Built-in ribbon, easy for removing the batteries. You decide the PB2S capacity. With two 21700 5000mAh batteries, it has the largest capacity of 10,000mAh. You can also use two 18650 3600mAh batteriesto get a capacity of 7200mAh. Men hvad er TC / CC / CV? Det er en trefaset opladningsproces af Li-ion celler, som holder cellerne i god tilstand, ved kun at oplade med passende strøm i hver fase og afslutte opladningen på det korrekte tidspunkt. Aside from that, I can’t fault the XTAR PB2S, and highly recommend this to anyone who needs both an 18650 battery charger and also uses a power bank.

ADVARSEL! Celler der er afladet under et specifikt niveau kan blive uopretteligt skadet, til et punkt hvor de ikke kan genaktiveres. Undgå dyb afladning af Li-ion batterier, da dette kan reducere deres levetid og kapacitet betydeligt, og i værste tilfælde kan de fuldstændigt svigte. During the charging process, the thermocouple thermometer had been connected and the cover of PB2S wasn’t removed. When charging to 65% capacity, the charging power is still close to 15W. At this time, almost reaching the equilibrium state of heating and heat dissipation. Reading the temperature of the two batteries, respectively at 33.1 ℃ and 33.7 ℃. The temperature of the two batteries is close, indicating that the PB2S balanced well in controlling the dual-slot charging. The XTAR PB2S Battery Charger is suited for applications where a 18650 battery is required, these applications include torches, laptops, and vaping devices. This button is can be used to turn the power bank on and to change between different information on the display. When used as a power bank the display can be turned off by holding the button down. USB-C and USB-A ports can both be used for output and charge two external devices at the same time.

XTAR PB2S Red 2 Bay Charger and Portable Power Supply

With two batteries the charger increased the input QC voltage to 9V and maintained a high charge current. PB2S supports QC3.0 + PD3.0 fast charging, compatible with most phones fast charging adapters on the market, easy to pair and use. The display is clean and easy to read, with shown internal battery charge, amps output, and voltage. Using two 18650 batteries of other brands for testing, the PB2S can also start the PD3.0 protocol. The input voltage reaches 12V, the input current is close to the nominal 1.5A, and the input power reaches 17.78W. Fast charging is also achieved. It took 2h 5min and 21s. Two 21700 4200mAh batteries were fully charged. The PB2S showed an input current of 0A. At this time, the voltage remained at 12V and the charging speed was very fast.