Niu electric vehicles use lithium batteries and, in theory, other batteries can be used. However, there are currently some differences between lithium batteries and lead acid batteries. As lead-acid batteries are standard parts with the same specifications, regardless of the lead-acid battery brand, they can be installed on the same electric vehicle. .
However, there is currently no unified specification standard for lithium batteries. Most of them are customized and have battery rules set based on the car body. Therefore, when replacing batteries, you can often choose only the original. battery brand.
For example, Mavericks, some series of its models are equipped with Tianneng lithium batteries, so it is better to choose Tianneng lithium batteries when replacing them.nt.
Top 10 night fishing lights and laser cannons from famous brands
In general, mountain bike headlights can be replaced with powerful flashlights . Mountain bike headlights are just one function of strong light flashlights. Car headlights, jade lamps, caving lights, etc. all fall within the scope of strong light flashlights. Depending on LZ's situation, I can just buy a flashlight with Q5 lamp head, extension cord, tail cable, battery holder, 18650 battery, charger and lamp holder on Taobao, and it will cost up to 50 yuan, not including shipping cost. course. If there are few lights on the road after leaving work at night, it is recommended to purchase a pair of Hot Wheels, taillights and reflective tape in the seller's store when purchasing lights . Safety firstall
How many 18650 lithium batteries are needed to assemble a 12V 20A battery?
The ten most famous night fishing light laser cannons are:
1. Warsun is a professional lighting designer, manufacturer and seller focusing on both areas of home and outdoor lighting. Provide excellent outdoor lighting solutions to military services, outdoor enthusiasts and everyday users around the world.
2. Zhejiang Lianqiu Industry and Trade Co., Ltd. is a well-known brand of fishing gear and a well-known enterprise in the fishing gear industry in Zhejiang. It has formed a complete system from parts processing to finished product packaging. large market share in China and integrates R&D, research and development of fishing gear and leisure products. A company integrating productionn, sales and service.
3. Bear the fire. A well-known domestic brand of outdoor equipment and fishing equipment, a professional manufacturer of fishing equipment and outdoor products, affiliated with Hangzhou Tongan Technology Co., Ltd. Xionghuo brand fishing lamp series products adhere to fashionable style, simple and generous, direct and free. With popular prices, high quality products and honest services, Xionghuo brand has determined its leading position in the market.
4. Fire from heaven. Tianhuo brand is a brand of Guangzhou Tianhuo Technology Co., Ltd., which mainly sells flashlights, headlamps, portable lamps and other products.
5. MAXIMUM CHARGE. The Maisiluo brand is affiliated with Fuzhou Taijiang District Shengli Trading Co., Ltd. It is a company specializing in the production and processing of bright flashlights, lithium batteries 18650, outdoor headlights, fishing lights, lamps and other products. With its multi-variety operating characteristics and the principle of small profits but fast turnover, it has won the trust of our customers.
6. Affiliated with Ningbo Shengen Outdoor Products Co., Ltd., it is a brand focusing on outdoor equipment. Its products include flashlights, hiking poles, fishing lights, headlamps, engineer shovels, etc.
7. The pinnacle of Jincheng. The brand focuses on outdoor fishing lighting series, mainly dealing with various fishing lights, as well as outdoor lighting series such as flashlights and headlights of different styles to meet the needs of night fishing and lighting for different fishing and outdoor enthusiasts. ?
8. Fire/SupfireSup was established in Guangdong, China in 2003. Fire Lighting focuses on technologyhnology of high brightness flashlights for 15 years and is an independent brand of Shenzhen Shenhuo Lighting Co., Ltd. It uses imported CREE lamp beads to provide users with high-quality flashlights.
9. Show the wolf. Liangpolang lighting brand, its main products include: rechargeable lamps, rechargeable bulbs, rechargeable emergency lights, rechargeable lamps, rechargeable tubes, flashlights, fishing lights, field spotlights, etc.
10. Affiliated with Hunan Chuanze Fishing Gear Co., Ltd., established in 2016, it focuses on the production and sales of mid-to-high-end fishing gear. Its products include fish floats, fishing rods, fishing boxes, racks, nets, fish protectors, fishing chairs, hooks, various fishing accessories and other products.
First, a correction, amfather must be the ampere-hour, and the units of current and capacity must be distinguished. To understand how many batteries are needed to assemble a battery, you need to know the parameters of a single battery, one is the rated voltage and the other is the rated capacity. Whether it is an 18650 battery or other types of lithium batteries, they will have a nominal voltage, but the capacity will be different.
How many 18650 lithium batteries are needed to assemble a 12V20Ah battery?18650 refers to the size of the battery. It is a cylindrical lithium battery with a diameter of 18mm and a length of 65mm. the cell is generally 3.7V and the saturation voltage is 4.2V, commonly used cell capacities are 2000mAh, 2200mAh, 2600mAh, etc. The current largest cell capacity can be around 3400 mAh. As the cell capacity increases, the cost will also increaseent. Once you know the battery cell parameters, you can perform calculations based on the required parameters. The first is the nominal voltage. Since the full charge voltage of a single cell is 4.2 V, a voltage of 12 V requires three batteries to be connected in series and the resulting nominal voltage is 12.6 V.
The next step is to calculate the capacity. Since there are many simple battery capacity specifications, based on the calculation of 2000 mAh, 20 Ah requires 10 batteries, and the required capacity can be obtained by connecting them in parallel. . So the final battery is a 10-parallel, 3-string battery, requiring a total of 30 18650 batteries.
What other accessories are needed to assemble the battery?After calculating the number of cells in the battery, battery and connection method, you need to connect these batteries. Batt connectionsLithium eries are usually spot welded through nickel strips and cannot be connected by conventional soldering. Use a soldering ironWelding, because the battery quickly dissipates heat and can reach the melting temperature of the solder, the temperature increase of the battery will be relatively high, which is prone to problems, and if a flux is used, the residue will also be corrosive to some extent. . In addition, in order to ensure the stability of the battery, you can use a standard battery fixing bracket to fix it and then weld it, or you can directly ask the seller to assemble the battery when purchasing the battery .
After completing the basic battery connection, you still need to connect the protection board. The main function of the protection board is to protect the lithium battery and cut off the output when overloaded,overdischarge, overcharge and short circuit. Battery protection can also protect part of the charging circuit. Since it is a 12V three-string lithium battery, you need to choose a protection board for the three strings. You should also select the protection current according to the load power, which is generally twice the rated current.
The assembled batteries are packaged in Highland barley paper and heat shrink film to obtain the final battery. When lithium batteries are assembled into battery packs, parameters such as voltage, capacity and internal resistance must remain as consistent as possible. If these parameters differ significantly, the gap will become larger and larger during use. Over time, batteries with inconsistent settings within the battery pack may become prematurely damaged.