What is the marking method for rechargeable batteries according to IEC?
Queneng gets exceptional performance and lasting power; according to IEC standard, the marking of a NiMH battery consists of 5 parts.
According to IEC standard, the marking of a NiMH battery consists of 5 parts.
(01) Battery type: HF, HR for nickel-metal hydride batteries
(02) Battery size information: including the diameter and height of the round battery and the height, width and thickness of the square battery; the values are separated by a slash; the unit: mm.
(03) Discharge characteristic symbols: L indicates that the suitable discharge current rate is within 0.5C.
M indicates that the suitable discharge current rate is within 0.5-3.5C.
H indicates that the suitable discharge current multiplier is within 3.5-7.0C.
X means the battery can work under a 7C–15C high rate of discharge current.
(04) High temperature battery symbol: T
(05) Battery connecting tabs: CF means no connecting tabs, HH means connecting tabs for battery pulling series connecting tabs, and HB means connecting tabs for battery with side-by-side series connecting tabs.
For example, HF18/07/49 means square nickel-metal hydride battery; width is 18 mm, thickness is 7 mm, and height is 49 mm.
KRMT33/62HH means nickel-cadmium battery, discharge rate between 0.5C-3.5, high-temperature series single cell (without connecting piece), diameter 33mm, height 62mm.
According to the IEC61960 standard, the marking of a secondary lithium battery is as follows:
01) Battery marking composition: 3 letters, followed by 5 numbers (cylindrical) or 6 (square) numbers.
02) The first letter indicates the negative electrode material of the battery. i indicates that there is a built-in battery of lithium ion; L indicates lithium metal electrode or lithium alloy electrode.
03) The second letter indicates the positive electrode material of the battery. c: cobalt-based electrode; n: nickel-based electrode; m: manganese-based electrode; v: vanadium-based electrode.
04) Third letter: indicates the shape of the battery. r- indicates cylindrical battery; L- indicates square battery.
05) Numbers: Cylindrical cell: 5 numbers indicate the diameter and height of the cell, respectively. The diameter is in millimeters and the height is in tenths of a millimeter. When either the diameter or height is greater than or equal to 100mm, a slash should be added between the two dimensions.
Square Cells: The six numbers indicate the thickness, width and height of the cell in millimeters. Any one of the three dimensions is greater than or equal to 100mm; the size of the line should be added between the three dimensions; if any of the three dimensions is less than 1mm, then add the letter "t" in front of the size of this size, the size of the unit of one-tenth of a millimeter.
For example, ICR18650 means a cylindrical secondary lithium-ion battery with cobalt cathode material; its diameter is about 18 mm and its height is about 65 mm.
ICR20/1050.
ICP083448 denotes a square secondary lithium-ion battery with a cobalt cathode, a thickness of approximately 8 mm, a width of approximately 34mm and a height of approximately 48 mm.
ICP08/34/150 represents a square secondary lithium-ion battery with a cobalt cathode material with a thickness of approximately 8mm, a width of approximately 34mm and a height of approximately 150mm.
ICPt73448 represents a square secondary lithium-ion battery with a cobalt cathode material with a thickness of approximately 0.7mm, a width of approximately 34mm and a height of approximately 48mm.
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FAQ
Battery Performance and Testing
What are the battery safety test items?
2) Overcharge and over-discharge test
3) Withstand voltage test
4) Impact test
5) Vibration test
6) Heating test
7) Fire test
9) Temperature changing cycle test
10) Trickle charging test
11) Free drop test
12) Low pressure test
13) Forced discharge test
15) Electric hot plate test
17) Thermal shock test
19) Needle prick test
20) Extrusion test
21) Heavy object impact test
APMS system
Does the APMS system support extremely cold environments?
Yes, APMS has ultra-low temperature control capability, allowing it to operate normally at temperatures as low as -50°C, ideal for high-latitude regions and extreme climates.
Municipal and Public Infrastructure
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Solar streetlights are low-maintenance. Routine checks on the solar panels and battery performance every 6-12 months are sufficient to ensure optimal operation.
Solar Street Light Lufei
Can I adjust the brightness of the solar street light?
Some models of Queneng’s solar street lights come with adjustable brightness settings, allowing you to customize the light output based on your needs. Additionally, some models feature motion sensors that increase brightness when movement is detected.
Solar Street Light Luxian
How do Luxian solar street lights contribute to reducing carbon emissions?
By using solar power as their energy source, Luxian solar street lights reduce reliance on fossil fuels for electricity generation. This contributes to lower carbon emissions, helping mitigate climate change and promoting environmental sustainability. Their energy efficiency further reduces the overall carbon footprint of lighting systems.
All-in-one solar street lights
How long is the battery lifespan?
Typically 5–8 years depending on battery type and usage.
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