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release time:2024-04-23 Hits: Popular:AG11 battery
Reasons for parallel and series connection of 18650 battery phosphate batteries:
Connect several 18650 battery phosphate cells in a lithium battery pack to obtain the required standard operating voltage. If you just need a higher capacity and a larger current, you should connect the lithium batteries in parallel first. The combination of parallel and series methods can achieve high voltage and high capacity requirements.
Parallel To get a lot of power, you can connect multiple batteries. An alternative to connecting the batteries side by side is to use a larger rechargeable battery, which is not suitable for all situations due to the limitations of the batteries available. In addition, large-sized batteries are not suitable for the design specifications required for specialized batteries.
Most battery chemistries can be used in parallel, while lithium batteries are suitable for series applications. It is very convenient to use the series-parallel connection method in the design scheme to achieve the rated current and current required by the standard rechargeable battery specifications.
Things to note when connecting in parallel and series:
1. Internal resistance layer: In 18650 battery phosphate batteries, the internal resistances are relatively large and the charge and discharge capacity is good. It is better not to connect them directly in parallel. Because parallel connection with large internal resistance differences is not good for lithium batteries with small internal resistance.
2. A single lithium-ion battery is ineffective: Several lithium-ion batteries in a lithium-ion battery can be connected to a higher standard operating voltage. If you want to have a higher volume and higher current, you can choose to connect Lithium Ion Battery. However, in order to pursue perfect operating voltage and current, many lithium-ion series and parallel circuits have been developed, and this high-voltage lithium-ion battery can easily encounter lithium-ion batteries in ineffective situations. It is not easy to remove lithium phosphate rechargeable batteries. It is easy for new and old user rechargeable batteries to mismatch because the capacity of new batteries is much higher than that of old batteries.
3. Lithium battery protection board: protect the circuit in the case of series and parallel connection, lithium battery protection board, in the case of series and parallel connection. Because the lithium-ion battery protection board can be used to monitor the status of each battery in series. Using a lithium-ion series-parallel circuit sounds simple, but by following some simple standards, you can prevent unnecessary problems.
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