TOMO V8 - 4 18650 Battery Charger

- BLACK 148612601

Dual USB Power Bank Digital LCD for iPhone / Android Phones
$12.96
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TOMO V8 - 18650 Battery Charger Power Bank Case

Each of the 4 slots charges 18650 battery individually
Digital LCD with backlit displays status batteries separately
● Doubles as an external charger for cell phones, tablets and other USB devices

Please NOTE: batteries are not included.

Specification

General

Brand: Tomo
Type: Charger
Model: V8-4
Plug: USB
Charging Cell Type: Lithium Ion
Compatible: 18650
Charging Cell Qty: 4
Input Voltage: DC 5V
Output Voltage: DC 5V
Input Current: 2A
Output Current: 1A / 2A

Functions

LCD Screen: Yes
Circuit Detection: Yes

Dimension and Weight

Product weight: 0.1080 kg
Package weight: 0.1810 kg
Product size (L x W x H): 13.00 x 2.60 x 8.30 cm / 5.12 x 1.02 x 3.27 inches
Package size (L x W x H): 22.00 x 4.00 x 12.00 cm / 8.66 x 1.57 x 4.72 inches

Package Contents

Package Contents: 1 x TOMO V8-4 Battery Charger, 1 x USB Cable

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Customer Reviews

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  • Florian
    TOMO POWERBANK
    Color:Black
    Pros:
    The TOMO V8-4 power bank feels solid and well made, but it doesn’t feel like a premium product. The volume is large enough to hold ~8 cells, rather than four, which may be an issue if you are space constrained. The weight though, is reasonable. It fits four 18650 cells. I estimate that it can take cells up to 68.5mm length, and probably 69mm.

    The power bank is turned on by pressing a button on the back, next to one of the USB outputs. It also powers itself up automatically when when a USB device or charger is connected.

    When powered on, the display indicates the approximate level of charge of each individual cell
    When powering USB devices, the right-hand side of the display indicates which port(s) are drawing current. The representation of each port has an animated indicator line that sweeps from left to right to indicate current flow. It isn’t clear to me whether or not the speed of the animation hints at actual current.

    I’ve had some challenges when trying to measure current delivery to USB devices.

    When used with a resistive 5 or 2.5 Ohm load, which should draw 1 or 2 A, respectively, at USB voltages (5V), the powerbank delivers current, but behaves strangely. The display shows intermittent or non-existent current draw through the port the load is connected to, and will power itself down after a time-out period as if nothing was connected.
    When the load is connected to the 2A output though a USB voltage and current meter, it shows a draw of ~0.95A @4.88V with a 5 Ohm load and ~1.9A @ 4.8V with a 2.5 Ohm load.

    On the 1A output, though a U
    Cons:
    I really wanted to love this power bank, but it comes up a little short.

    The good:

    Jan 20,2016

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  • Sandro
    Tomo V8
    Color:Black
    Pros:
    Dopo averlo usato per un po' di tempo, posso dire che funziona bene. Sul display è possibile leggere il consumo in mah e quando non c'è niente collegato indica il livello di carica di ogni singola batteria.
    Per usarlo non è necessario accenderlo, infatti appena inseriamo un cavo usb dopo pochi secondi si accende da solo e dopo averlo staccato in 20 secondi si spenge da solo.
    E' possibile montare batterie li-ion 18650 sia protette che non protette anche di diverso amperaggio.
    Quando è acceso con una pressione veloce del tasto accensione è possibile spengere il display.
    Il circuito interno ha una protezione per batterie alla sosvraccarica e sotto carica.
    Per caricare le batterie basta utilizzare un caricabetterie da smartphone collegandolo al connettore microusb.
    Per la sua semplicità di utilizzo lo consiglio a tutti questo prodotto.
    Cons:
    Niente

    Jun 21,2017

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  • xxo
    Good charger, good power bank, awesome battery case
    Color:Black
    Pros:
    This thing is great, It is not much wider than a case for 4 1850's.
    It is a bit longer on both top and bottom, the electronics have to go somewhere :).
    The great thing is, that it shows me how much charge my batteries have, so I know exactly which ones are full and which are not.
    You can charge your phone, tablet or whatever else you have with either the 1A or 2A output on the back.
    There is also a switch to turn the screen on.
    About 3 seconds pressing it will turn it on. If you then press it short, the light of the screen will turn off.
    This is useful if you are charging with it.
    Cons:
    none so far

    Mar 09,2017

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  • Moldova
    Excellent powerbank
    Color:Black
    Pros:
    1. Good plastic for case ( does not stink, durable );
    2. there is reverse polarity protection
    3. individual work with every battery. Thus it is possible to install batteries of different capacity and different charge level.
    4. there is a possibility to charge the batteries. In the campaign I charge the car batteries for the flashlight.
    5. not very quick battery charge. But it is a feature of the use of micro USB.

    Summary : very good product
    Cons:
    1. short cable. Same power bank Soshine E3 have cable with length 45cm.
    2. in standby mode it consumes 14 mA
    3. Not a minus, rather a feature. It not only discharges the battery to 3V. Thus new batteries with a lower limit of discharge of 2.5 V will be used not 100%.
    4.When you use the user with a current of approximately 2A is better to use 3-4 battery, because When you use a 1-2 accumulator spring is very hot. For me it's not a problem ,because once I use all 4 slots.

    Sep 04,2016

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  • Justin
    Great charger/battery pack
    Color:Black
    Pros:
    I inserted 4 of my cheap ultrafire batteries and it can charge my phone 1 1/2 times using those cheap batteries. It charges my phone about the same speed as if it were plugged in to the wall. The display is a huge plus and I love the built in volt meter. I found this on amazon for about $20 so I went to see if I could find it any cheaper and was surprised to find this almost half the cost of amazon.
    Cons:
    It takes a while to charge the batteries inside the pack.

    Jul 18,2016

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  • Новиков
    TOMO V8 - 4 USB Battery Charger Power Bank
    Color:Black
    Pros:
    1. зарядка акб 18650 и power bank 2 в 1
    2. собрана хорошо
    3. стандартный разъем, не нужно отдельное ЗУ в автомобиле.
    4. информативный экран
    5. подсветку дисплея можно отключить
    6. может и заряжаться и отдавать ток одновременно
    7. доставили быстро заказал 17 августа, 2 сентября получил в Туле в офисе PonyExpress .
    ( Priority Line-RU Expresss)
    Cons:
    нет

    Sep 11,2016

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  • Ivan
    томо павербанк
    Color:Black
    Pros:
    хорошее качество. подходят как с защитой, а лучше без защиты аккумуляторы 18650 формата. самостоятельно можно выбрать модель и фирму, что больше нравиться. диапазон напряжений от 3в. до 4.2в. аккумуляторы с разрядом 2.5в смысла нет и те что до 4.35в заряжаются тоже. дисплей это плюс . подсветка выключается.
    Cons:
    габариты. но это в угоду 4х аккумуляторов, дисплея и 2х разъемов юсб .

    Aug 05,2016

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  • Dmitriy
    TOMO V8 - 4 USB Power Bank
    Color:Black
    Pros:
    Отлично, доставка до Перми за 15 дней. Качество исполнения на высоте, ничего не повреждено и не поцарапано. Все работает идеально.Крышка только открывается очень туго (со временем разработается). Брал powerbank в качестве зарядки для моих аккумуляторов 18650, в качестве павербанка использоваться практически не будет.
    Cons:
    Нет

    Dec 15,2016

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  • Kondratkov Kirill
    18650 Charger
    Color:Black
    Pros:
    Хорошее зарядное устройство для 18650, с возможностью использования его как Power Bank. Очень рекомендую данный девайс к покупке.
    Также хочется отнести к плюсам данного девайса, что с лёгкостью справляется с зарядкой двух телефонов одновременно, что не часто можно встретить за такую цену.Я лично очень доволен.
    Cons:
    Минусов у него нет.

    Sep 25,2016

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  • Velin
    Mr.
    Color:Black
    Pros:
    Well, it charges the batteries.
    The batteries can be changed easily.
    It measures the current correctly.
    It has short circuit protection (1.5A for the 1A output, don't know for the 2A output).
    The 4 batteries are independant.
    The PCB looks nicely made
    Automatically recognizes plugged device and starts charging.
    Cons:
    Charges slowly. The total charge current (for 4 batteries) is 1.5A, so every battery receives 370mA. 2500mAh batteries will be charged in about 7-8 h.
    It is not reliable - the built-in step-up converter (G5117C) can't hanle more than 2A total current. Even 2A is too much for it and overheats. Mine blow after 2 charges. I was forced to buy replacement part in order to fix it.
    Has bugs. Sometime the display goes blank (the charger works at this time), sometimes it shows rubbish.
    Doesn't show the actual voltage of the cells.

    Apr 25,2017

    Is this helpful? Yes (1) No (0)

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