① Material selection Generally speaking, improving the rate performance of power lithium-ion batteries is important from the selection of materials. At room temperature of 20 ℃, the electronic conductivity of LCO material is only 5x10-8S/cm, while the electronic conductivi...

4. CE certification The scope of application is in the European Union region, divided into safety and performance testing. CE certification belongs to self declaration. If manufacturers have the ability to conduct testing themselves, they can fully attach CE compliance labels to...

1. CCC certification The full name of China's 3C certification is the mandatory product certification system, which is a product qualification evaluation system implemented by governments in various countries in accordance with laws and regulations to protect the personal an...

Volume: The volume of a 12V lithium-ion battery needs to be determined based on its capacity, and there is no unified specification. The larger the battery capacity, the larger the volume Weight: Nowadays, many devices require lithium-ion batteries with larger capacity and l...

12V lithium-ion batteries are connected in series with three or four lithium-ion batteries. A combined battery pack, whose capacity is determined by the capacity of a single cell or the capacity of batteries connected in parallel, is a safe and environmentally friendly new type of battery....

5. The internal charging circuit of the phone is malfunctioning and cannot be charged properly. Find a universal charger to charge the battery. Solution: If it can be charged and used normally, it is a problem with the phone, so use a universal charger to charge or take it t...

Reasons and solutions for mobile phone batteries not charging: 1. The charger is damaged or the data cable is poor, resulting in non charging. Solution: Replace with a data cable or charger, and then recharge to see if it can charge. If it can charge, it i...

The lithium-ion battery protection board also has balanced protection purposes, with two methods: energy consumption and energy conversion. Energy consumption balancing refers to the use of resistors to dissipate excess electrical energy from a battery with high battery capacity or voltage in...

Lithium ion battery protection board, also known as a circuit board for protection purposes. It is composed of electronic circuits that accurately monitor the voltage of the battery cell and the current of the charging and discharging circuit at all times in an environment from -40 ℃ to+85 ℃...

3. Serious counterfeiting: Due to the broad market prospects of polymer batteries but high manufacturing costs, many 18650 battery tablets in the market have turned into polymer batteries, leading to a crisis of counterfeiting. 4. Low energy density: Compared to other lithiu...