Brand: Xtar

Xtar

Xtar is for people who manage a fleet of rechargeable cells and want to know what each one is actually worth, not just watch it charge.

Founded in 2006 in Shenzhen, Xtar has become a benchmark in lithium battery chargers and smart charging solutions. The Chinese brand is best known for its LCD-screen chargers in the VC and UMS series, which display voltage, current, real capacity and internal resistance, popular with flashlight and 18650 or 21700 cell enthusiasts. Xtar also makes cells, power banks and lights. What wins our team over is the seriousness of its protections and the precision of its chargers, at a reasonable price: a reliable manufacturer, now essential for anyone managing a set of rechargeable cells.

11 products in the catalogue.

Our Xtar products

XTAR VC4

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A charger that tells you everything: the XTAR VC4 charges 4 Li-ion or Ni-MH cells at once and shows voltage, current and capacity on its LCD screen. The reference for cell enthusiasts.

  • Slots: 4 (independent)
  • Compatibility: Li-ion and Ni-MH (18650, AA, AAA...)
  • Display: LCD screen (voltage, current, capacity)
  • Power: USB
  • 4 cells at once with informative LCD screen
The XTAR VC4 is a smart 4-slot charger, compatible with rechargeable Li-ion and Ni-MH cells in many formats (18650, 26650, 21700, AA, AAA...). Its LCD screen shows in real time the voltage, current, capacity and status of each cell, making it a valuable tool to monitor and maintain your batteries. It charges each slot independently, stops automatically at full charge and can revive deeply discharged cells. USB-powered, it is a versatile, reliable charger, popular with torch users, vapers and electronics enthusiasts.
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XTAR VC4L

$29.77 (17)

The XTAR VC4L charges up to 4 Li-ion or NiMH batteries over USB-C, with an LCD screen showing voltage, current and capacity for each bay.

  • Bays: 4 independent bays
  • Power input: USB-C, 5V/2.1A
  • Charging current: 1A max (CH1 & CH4), 0.5A otherwise
  • Compatibility: Li-ion 10440 to 32650 (protected 21700) + NiMH AA/AAA
  • Detailed LCD screen, supports protected 21700 cells
The XTAR VC4L is a universal 4-bay charger for Li-ion batteries (10440 to 32650, including protected 21700 cells) and NiMH AA/AAA batteries. Powered over USB-C, it automatically detects each battery's chemistry and shows voltage, current and charged capacity for every bay on its LCD screen. Each channel charges at up to 1A independently. Compact and easy to use, it is a solid everyday charger for anyone juggling several battery formats.
The VC4L earned a spot in our charger drawer for topping up both the 18650s from our flashlights and the AA batteries from our controllers. First nice surprise: it plugs in via USB-C, just like our phones, so no need to hunt for a proprietary cable. The LCD screen is clear, with each bay showing its own voltage and current at a glance, handy for spotting a cell that charges slower than the others. We liked being able to mix a protected 21700 and two NiMH batteries in the same batch without any issue. The one real downside: as soon as you use the middle bays, all four channels drop to 0.5A, so a full charge of 4 batteries can easily take well over two hours. We also missed an internal resistance test, useful for sorting out ageing cells. For everyday use on a tight budget, the VC4L remains a reliable, easy-to-read charger that we recommend without hesitation to anyone who does not need advanced analysis tools.
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Xtar VC8 Charger

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Eight cells at once: the Xtar VC8 charges, tests and grades up to eight 18650 or 21700 cells over USB-C, with a large and very detailed LCD screen.

  • Bays: 8 independent bays
  • Charging: USB-C QC3.0, up to 3A (1 cell)
  • Display: LCD: voltage, current, capacity, resistance
  • Functions: Charge, capacity test, grading
  • Eight cells at once with detailed analysis
The Xtar VC8 is a smart eight-bay charger for large sets of cells. It recharges over USB-C with QC3.0 fast charging and delivers up to 3A on a single bay, with five selectable currents (0.25 to 3A). Its large LCD screen shows the voltage, current, capacity and internal resistance of each cell, and offers capacity-test and grading functions. It accepts Li-ion cells from 10440 to 26650 (18650, 20700, 21700...) plus NiMH AA, AAA and C batteries. The reference for charging and analysing many cells.
The VC8 is the charger for heavy cell users: eight bays, enough to recharge a whole set of 18650 and 21700 cells at once, without multiplying chargers. We like its large LCD screen, which shows, for each cell, voltage, current, capacity and internal resistance, plus a capacity-test and grading function, valuable for sorting cells by health. USB-C power and the choice of five currents (0.25 to 3A) make it versatile, nursing small cells or speeding up big ones. Two honest reservations: with eight bays it is logically bulky on a desk, and to get the full 3A you need a good QC adapter. But for charging and above all analysing many cells, it has few rivals at this price.
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Xtar L4 Pro

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The XTAR L4 Pro charges AA/AAA NiMH and 1.5V Li-ion batteries over USB-C, and goes further: its refresh mode revives tired or deeply discharged rechargeables.

  • Slots: 4 (independent)
  • Compatibility: AA/AAA: NiMH 1.2V and Li-ion 1.5V
  • Power input: USB-C 5V/2A (cable included)
  • Functions: Discharge, refresh, 0V activation
  • Revives tired or deeply discharged NiMH cells
The XTAR L4 Pro is a smart four-slot charger for AA and AAA rechargeable batteries, compatible with 1.2V Ni-MH and 1.5V regulated Li-ion cells. It runs on USB-C power (mains adapter not included) and stands out for its full battery-health toolkit: discharge, refresh and 0V reactivation, bringing tired cells back to life instead of binning them. Unlike the XTAR VC4 and VC4SL, it does not charge cylindrical cells such as 18650.
We ran the L4 Pro for several weeks through a drawer full of AA and AAA cells of very different ages, some barely alive after months forgotten in a remote control. The Refresh mode clearly proved its worth: several cells we'd written off came back with decent capacity after a full cycle, though a deep regeneration can take the best part of a day. The four independent slots make it easy to mix formats and brands without a second thought, and the screen stays readable even though we missed the precise numeric readouts of the VC4SL. One caveat several customer reviews confirm too: there's no mains adapter in the box, just the USB-C cable, so keep a phone charger handy. Some regulated 1.5V Li-ion cells from other brands also aren't always recognised (an Err message shows up). For charging and, above all, extending the life of a stock of everyday AA/AAA rechargeables, it's a smart, affordable pick.
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Xtar X4 Charger

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The Xtar X4 charges 4 Li-ion or NiMH cells at once, runs on mains or USB power, and turns into an emergency power bank thanks to its 5V USB output.

  • Bays: 4 independent (2A max per 2)
  • Power: Mains or micro-USB (2 inputs)
  • Output: USB 5V/1A, power bank function
  • Compatibility: Li-ion 10440-26650 + NiMH/NiCd
  • 4 bays, mains power and USB power bank output
The Xtar X4 is a smart four-bay charger compatible with most Li-ion cells (10440 to 26650, including 18650 and 21700) and NiMH/NiCd batteries (AAA, AA...). Its LCD screen shows the voltage, charging current and charged capacity for each bay. It runs on mains power or micro-USB, and its 5V USB output lets you use an inserted cell to power up a phone or a torch as an emergency power bank.
The X4 has become our everyday desk charger since we unboxed it. Unlike the brand's basic VC4, this one plugs straight into the mains with its supplied cable, no need to hunt for a beefy USB adapter. The four cells charge fast: with two 18650s at once, it climbs to 2A and the charge is done in about ninety minutes. With all four bays loaded, the current automatically drops to 1A, charging takes longer but nothing overheats. The LCD screen is clear and finally gives useful numbers (voltage, current, charged capacity) instead of a single LED. The power bank function is handy in a pinch: unplug the mains cable, leave a charged cell in the fourth bay, and the USB port can bring a flat phone back to life. One honest downside: that output does not work while the charger is plugged into the mains, you have to unplug it first, which is not obvious the first time. For the price, it remains a solid, versatile charger, without the VC4SL's advanced analysis features.
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Xtar VC4SL Charger

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A four-bay charger with an LCD screen and USB-C: the Xtar VC4SL shows voltage, current, capacity and internal resistance, and charges at up to 3A on one bay.

  • Bays: 4 independent bays
  • Charging: USB-C QC3.0, up to 3A (1 cell)
  • Display: LCD: voltage, current, capacity, resistance
  • Compatibility: Li-ion 10440 to 32650 + NiMH AA/AAA
  • Real-capacity and internal-resistance test
The Xtar VC4SL is a smart four-bay charger for Li-ion cells and NiMH batteries. It recharges over USB-C with QC3.0 fast charging and delivers up to 3A on a single bay, with a current selectable from 0.25 to 3A. Its LCD screen shows the voltage, current, capacity and internal resistance of each cell in real time. It accepts a very wide range of formats, from 10440 to 32650, including protected 18650 and 21700 cells, and even measures the real capacity of a cell. A complete workbench charger for flashlight enthusiasts.
The VC4SL is the charger we recommend when you want a versatile, readable model without stepping up to a high-end analysing charger. Its four bays swallow 18650 and 21700 cells just as happily as AA and AAA NiMH, and the LCD screen finally gives you useful data: voltage, real current, charged capacity and, above all, internal resistance, handy for spotting a tired cell. USB-C power is a real plus, you plug it into any phone charger, power bank or car socket. You pick the charging current, from 0.25 to 3A, to nurse small cells or speed up big ones. Two honest downsides: it is a little bulkier than average, and at this price a better-finished cable would have been welcome. But for charging and monitoring your cells day to day, it does a flawless job.
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Xtar VC2L Charger

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Two bays, a tachometer-style LCD screen, USB-C input: the Xtar VC2L charges and monitors your Li-ion and NiMH cells with precision, in a compact 120 g body.

  • Bays: 2 independent bays
  • Charging: USB-C, up to 2A (1 cell)
  • Display: Tachometer-style LCD: voltage, current, capacity
  • Compatibility: Li-ion 10440 to 26650 + NiMH/NiCd AAAA to D
  • Compact and light (120 g) with OV activation
The Xtar VC2L is a smart two-bay charger designed for occasional or on-the-go users of rechargeable cells. It recharges both Lithium-ion cells (10440 to 26650) and NiMH/NiCd batteries (AAAA to D), with a current adjustable up to 2A. Its tachometer-style LCD screen shows voltage, current and charged capacity in real time, and its OV activation function revives over-discharged cells. Powered over USB-C, it weighs just 120 g, one of the most compact and lightweight chargers in the Xtar range.
The Xtar VC2L quickly earned a spot on our desk as a grab-and-go charger: slot in a tired 18650 or two AA NiMH cells before heading out, and the tachometer-style screen shows voltage and real current at a glance, far more useful than a single LED. The OV activation function genuinely revived an 18650 that had dropped below 2V and that other chargers refused to even recognise. With only two bays and a USB-C input capped at 2.1A, it cannot match a 4 or 8-bay charger for topping up a large stash of cells: with both bays occupied, current caps at 1A each, so a hefty 21700 takes a little patience. On the D format, some users report needing an adapter, so the advertised compatibility is a touch optimistic. But for everyday or travel use, its compactness (barely 120 g) and versatile USB-C cable make it a pocket companion that is hard to beat.
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Xtar Dragon VP4 Plus Charger

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The battery doctor for enthusiasts: the Xtar Dragon VP4 Plus charges, analyses and revives your Li-ion and NiMH cells with its external test probes.

  • Bays: 4 independent, display by channel pair
  • REFRESH mode: Anti NiMH memory effect via discharge/charge
  • Diagnostics: Voltage, resistance probes and capacity test
  • Compatibility: Li-ion 10440-32650, NiMH AAAA-D, 11.1V/3S packs
  • Battery doctor: diagnostics, REFRESH, USB power bank
The Xtar Dragon VP4 Plus is Xtar's flagship analyzer charger: 4 independent bays, external probes for voltage and internal resistance testing, real capacity test and a REFRESH mode against NiMH memory effect. It also charges assembled 11.1V/3S battery packs with balancing, and turns into a USB 5V/2.4A power bank using the inserted cells. Supplied with a mains adapter, car adapter, test probes and a carry pouch, it is the reference tool for monitoring and maintaining your cells over the long run.
We tested the Dragon VP4 Plus over several weeks, mixing 18650 cells salvaged from old torches with tired NiMH AA batteries. The REFRESH mode delivers on its promise: two NiMH cells we thought were dead came back to a decent capacity after one discharge/recharge cycle. The measuring probes are the real upgrade over a regular charger: touch both terminals and the internal resistance shows up within seconds, more than enough to sort cells before a demanding use (flash photography, model making). The USB power bank output has bailed out more than one phone on a hike. Two honest gripes: the screen only shows two channels at once, so you need to press a button to see the other two, and unlike the VC4SL in the same catalogue, you cannot fit a protected 21700 or 20700 cell in, the diameter simply does not clear the contacts. At over $108.32 it is also the priciest Xtar charger in the catalogue, but for anyone who genuinely wants to know the real state of their cells, it is money well spent.
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Xtar SC1 Plus Charger

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The smallest of the two-in-ones: the Xtar SC1 Plus charges an 18650-to-26800 cell over fast USB-C and turns it into a 10 W pocket power bank, for just 47 g.

  • Slot: 1 slot (18650 to 26800)
  • Charging: USB-C QC/PD, up to 3A
  • Power bank: 10 W USB output (cell not included)
  • Weight: 47 g
  • Pocket charger + power bank, pass-through
The Xtar SC1 Plus is a pocket single-slot charger that also works as a power bank. Insert a cylindrical cell (18650, 21700, 26650 up to 26800), recharge it over USB-C with QC/PD fast charging up to 3A, then draw the energy out over the USB port to top up a phone (10 W output). It handles pass-through, also accepts D-size NiMH cells, and weighs a mere 47 g. Supplied with a silicone strap, it is the ideal minimalist accessory to slip into a pocket or a bag.
The SC1 Plus is a nugget of minimalist ingenuity: a single-slot charger that fits in the palm and doubles as a power bank. Slide in a cell, recharge fast over USB-C (up to 3A with a QC/PD adapter), then draw the energy out over the USB port to top up a phone. At 47 g, it is the perfect object to forget at the bottom of a bag or a first-aid kit. We like the pass-through, the compatibility up to the big 26800 and the silicone strap. Two honest reservations: the output caps at 10 W, enough for a smartphone but slow for a big need, and capacity depends entirely on the cell you insert (not included). For a flashlight user who wants a charger and a backup battery in the smallest possible form, it is an excellent buy at a tiny price.
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Xtar LR 3000mAh Batteries (x4)

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The Xtar LR 3000mAh AA batteries hold a true constant 1.5V right to the end, recharge over USB-C with no dedicated charger, and last over 1200 cycles.

  • Capacity: 3000 mAh (≈4500 mWh)
  • Voltage: 1.5 V constant (vs 1.2 V on NiMH)
  • Charging: USB-C, 3.9 h, 4-in-1 cable included
  • Pack size: Pack of 4 batteries + case
  • True 1.5V plus built-in USB-C, no dedicated charger
The Xtar LR 3000mAh are rechargeable lithium AA batteries that deliver a genuine 1.5V, where classic NiMH rechargeables cap out at 1.2V. Each cell has its own built-in USB-C port, so there's no dedicated charger to buy: a full charge takes 3.9 hours with the included 4-in-1 cable. Ideal for voltage-sensitive gear (thermostatic radiator valves, smart locks, controllers) that often reads a NiMH cell's 1.2V as flat. Sold as a pack of 4 with cable and storage case.
We ran a set of Xtar LR 3000mAh in a smart lock and in a couple of thermostatic radiator valves, two devices notoriously fussy with regular rechargeables: no false low-battery warnings since, the voltage stays pinned much closer to 1.5V than any NiMH cell manages. The best everyday feature is the included 4-in-1 cable, which charges all 4 batteries at once from a single USB-C port in the claimed 3.9 hours, no dedicated charger needed. In a heavily used game controller, runtime comfortably matches disposable alkalines, with the added bonus of recharging as often as you like. Two honest caveats: on a set of 4, it isn't unusual for one cell to hold charge slightly worse than the other three (an isolated issue, but one several buyers report), and it's safer to recharge with a plain USB cable rather than a beefy PD fast charger, since some users hit charging glitches with that kind of adapter. For anyone done with throwing away batteries or fighting NiMH's 1.2V, this pays for itself quickly.
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Xtar PB2SL V2 Charger

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A two-cell charger and a power bank at once: the Xtar PB2SL V2 recharges your 18650/21700 cells and turns them into a power bank up to 22.5 W, screen included.

  • Slots: 2 slots (18650/21700)
  • Dual function: Charger + power bank (cells not included)
  • Charging: USB-C QC/PD, 2A per slot
  • Output: USB-C + USB-A up to 22.5 W
  • Revives cells from 0V, modular capacity
The Xtar PB2SL V2 is a clever two-in-one: a dual-slot charger for 18650 and 21700 cells, and a power bank that uses those same cells. Insert two cells, recharge over USB-C (QC/PD), then draw the energy back out over USB-C or USB-A at up to 22.5 W to top up a smartphone. Its power-bank capacity depends on the cells you choose, a handy modular system. A small screen shows the charge state, and a 0V activation function revives deeply discharged cells. Compact and versatile, ideal for travel.
The PB2SL V2 is one of those clever accessories you adopt quickly when you already live with 18650 or 21700 cells. The idea is simple: a dual-slot charger that also works as a power bank, reusing the cells you put in it. You recharge over fast USB-C, then draw the energy out over USB-C or USB-A at up to 22.5 W, plenty for a smartphone. The big advantage is modularity: capacity depends on the cells, and you replace worn ones instead of throwing away the whole bank. The screen is clear, and the 0V activation function has saved more than one deeply discharged cell that other chargers refused. Two reservations: the cells are not included, so you need good ones, and the 22.5 W output suits smartphones but not a laptop. For a flashlight or vaping user, it is a very handy travel companion.
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