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Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
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release time:2024-04-23 Hits: Popular:AG11 battery
What voltage should be chosen for electric vehicle batteries?
Increased voltage creates two of the biggest problems: safety and difficulty in designing electrical components. However, direct current is more dangerous than alternating current of the same voltage. Regulations vary from country to country. Generally, direct current less than or equal to 36V or 48V is considered a safe voltage. Voltage exceeding 60V can already cause harm to the human body. In the EU electrical regulations, products higher than 48V require additional electrical safety certification. It is recommended to choose low pressure.
Things to note when replacing the battery of an electric vehicle:
1. During the process of licensing electric vehicles or replacing batteries, some unscrupulous traders in order to save costs, replace batteries or chargers, causing safety hazards in consumer products. In this case, consumers need to go to reputable regular manufacturers to replace them.
Check whether the electric vehicle battery product signs are complete, including manufacturer name, product specifications and models, manufacturing date, and trademark; check whether the internal and external signs are consistent, especially check whether the product body has eye-catching logos and production dates. What an electric vehicle battery looks like. Check for deformation, cracks, scratches and signs of leakage. The battery terminals should be clean, free of rust, and clearly marked.
2. The battery model matches the electric vehicle.
It is feasible to replace lead-acid batteries and lithium batteries with the same capacity and voltage, but it is necessary to consider whether the size of the battery can still be installed in the original position and whether it is protruding or squeezed, because extrusion and moisture will cause internal damage to the battery. short circuit phenomenon. In addition, the voltage, etc. must match the battery motor.
3. Battery brand and model do not match
The brand and model registered on the electric vehicle certificate do not match the brand and model of the electric vehicle battery actually used. There is a possibility of substandard batteries or refurbished batteries being used instead of original batteries, which can easily lead to safety hazards such as spontaneous combustion.
4. You must use a charger that matches the battery type
Lead-acid batteries and lithium batteries have the same capacity and voltage, and chargers cannot be used indiscriminately because the two batteries require different charging voltages and currents at each stage. Therefore, choose a smart charger with automatic control that matches the battery. When charging lead-acid batteries, the charger voltage is high. Lithium batteries have high technical requirements, so when charging, the charger uses constant current and constant pressure for charging. Lead-acid charging of lithium batteries will cause overcharging and the risk of explosion.
5. When purchasing an electric bicycle, be sure to check whether it is in the electric bicycle product catalog. Do not be greedy for cheap and buy an illegally assembled electric bicycle.
6. Do not illegally modify electric vehicles.
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