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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .

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Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales

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GREEN POWER

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

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DATAPOWER

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.

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SEONG-HEE

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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Guizhou STD Battery 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.

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Battery capacity design for different application scenarios

release time:2024-04-16 Hits: Popular:AG11 battery

　　This paper mainly introduces the design ideas of battery capacity in three common application scenarios: self-use (high electricity cost or no subsidy), peak-valley electricity price, and standby power supply (unstable grid or important load).

　　1. "Spontaneous Self-use"

　　Due to high electricity prices or low photovoltaic grid-connected subsidies (no subsidies), install photovoltaic energy storage systems to reduce electricity costs.

　　· Assuming the power grid is stable, off-grid operation is not considered

　　Photovoltaic is just to reduce the electricity consumption of the grid

　　· Generally, there is sufficient light during the day

　　Ideally, the PV + energy storage system can fully cover the household electricity consumption. But this is difficult to achieve. Therefore, considering the input cost and electricity consumption, we can choose to select the capacity of the battery according to the average daily household electricity consumption (kWh) (the default photovoltaic system is sufficient). The design logic is as follows:

　　If the law of electricity consumption can be accurately collected, combined with the management Settings of the energy storage machine, the system utilization can be improved as much as possible.

　　Second, peak and valley electricity prices

　　The structure of peak-valley electricity price is roughly as shown in the figure below. 17:00-22:00 is the peak of electricity consumption:

　　During the day, the electricity consumption is small (the photovoltaic system can basically cover), and at the peak of the electricity consumption, it is necessary to ensure that at least half of the electricity is powered by the battery to reduce the electricity cost.

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