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Comparison Videx VCH-UT201 vs Videx VCH-UD200

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Videx VCH-UT201
Videx VCH-UD200
Videx VCH-UT201Videx VCH-UD200
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Main
USB-C port to power the device.
USB-C port to power the device.
Batteries charging
Charging slots2 шт2 шт
Supported types
Ni-Cd
Ni-Mh
Li-Ion
LiFePO4
IMR
Ni-Cd
Ni-Mh
Li-Ion
LiFePO4
IMR
Size
AAAA
AAA
AA
C
D
10440
14500
16340 (CR123)
 
17500
17650
17670
 
18490
18500
18650
20700
21700
22650
26500
26650
36250
AAAA
AAA
AA
C
 
10440
14500
16340 (CR123)
17335
17500
 
17670
18350
 
18500
18650
20700
21700
22650
26500
26650
14650, 18700, 22700
Specs
Operation indicatordisplaydisplay
Independent charge channels2 шт2 шт
Min. charge current1000 mA1000 mA
Max. charge current2000 mA2000 mA
Charge current (all channels)1000 mA1000 mA
Number of settings2 pcs2 pcs
Features
Capacity measurement
Overcharge protection
Preliminary discharge
Capacity recovery
Residual capacity check
Polarity test
Fault detection
USB output charging gadgets
Overheat protection
Short circuit protection
General
Movable negative contact
USB charging powerUSB CUSB C
Dimensions (HxWxD)146x75x40 mm121x60x33 mm
Weight100 g95 g
Added to E-Catalogjune 2021june 2021

Size

The battery sizes that the charger is compatible with. In this case, the adapters supplied in the kit (see below) are not taken into account in this paragraph, we are talking only about the memory as such.

The standard dimensions describes the shape, dimensions, connector design and operating voltage of the battery; thus, it is one of the most important parameters for determining compatibility with a particular charger.

The most popular sizes for which modern “chargers” are made can be divided into 1.5-volt (marked in Latin letters AA, AAA, C, D) and 3.7-volt (have digital markings 14500, 17500, 18650, 22650, 26650, etc. .P.). More about them:

— AAAA. The smallest version of the "finger" dimensions: batteries of the same cylindrical shape as the well-known AA and AAA, but with a size of only about 8 mm and a length of about 43 mm. Similar in application to AAA, but very poorly distributed.

— AAA. Size, colloquially known as "mini finger" or "little finger batteries": cylindrical batteries with a size of 10.5 mm and a length of 44.5 mm. They are mainly used in miniature devices for which there are not enough “tablet” bat...teries, and larger elements are too bulky.

— AA. Classic "finger" batteries with a size of 14 mm and a length of 50 mm, one of the most popular modern standard sizes (if not the most popular). They are used in a wide variety of types and price categories of devices, including even external battery packs for SLR cameras.

- C. Batteries in the form of a characteristic "barrel". They are similar in height to finger-type AAs, but almost twice as thick - 50 mm and 26 mm, respectively - due to which they have a higher capacity.

- D. The largest dimensions of consumer grade 1.5V batteries, 34mm in size and 61mm in length. It is mainly used in high-power flashlights and devices with high energy consumption.

3.7-V batteries are indicated by a five-digit number. In it, the first two digits indicate the size (in millimeters), the remaining three indicate the length (in tenths of a millimeter). For example, the popular dimensions 18650 corresponds to a battery with a size of 18 mm and a length of 65.0 mm. It is worth noting here that there are 3.7-volt cells that are the same dimensions as the 1.5-volt ones described above (for example, the 14500 dimensions is similar to AA finger-type), but both types are not interchangeable due to the difference in voltage.

A separate category is 9-volt R22 batteries, also known as PP3: these are rectangular elements in which a pair of contacts is located on one of the ends.

Preliminary discharge

Pre-discharge is useful for batteries that are prone to memory effect - they need to be charged only after the charge is completely depleted. In accordance with the name, a charger with this function is capable, if necessary, of discharging the installed battery “to zero” before starting charging. At the same time, some models are able to automatically detect the presence of residual energy and turn on a preliminary discharge, in others it must be turned on manually.

Capacity recovery

The capacity recovery function will be useful for batteries with memory effect - this time tech whose capacity has already declined. In this mode, the charger discharges and charges the battery several times in a special way, which eliminates the memory effect and restores the battery, if not to the original, then at least to a capacity close to this value.

USB output charging gadgets

The ability to use the charger to charge portable electronics - smartphones, tablets, players, etc. As a rule, for this, a USB port is provided in the design, for connection to which an appropriate cable is required; in fact, you can charge from such a device not only mobile gadgets, but also any equipment that can be powered from USB. True, it is worth noting that some manufacturers do not recommend using third-party devices for their equipment if they are not officially approved.
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