Lifepo4 4s 12v Bms

Shenzhen Benwei Lighting Technology Co., Ltd. is one of the best manufacturers and suppliers of lifepo4 4s 12v bms in China. Welcome to buy durable products for sale here and get pricelist from our factory. All customized products are with high quality and competitive price.

lifepo4 4s 12v bms

Product Features:

Lithium polymer lifepo4 4s 12v bms pack .

1.Different capacity battery cells for option: 2000mAh/2200mAh/2400mAh/2600mAh/2800mAh.

2.Green product, long standby time, 3 years wrranty, excellent safety performance. 

3.Short circuit testing passed, overcharge testing passed.

4.Best sale service and good price .

5.High capacity, high level platform, long working hours, long cycle life.

Application lifepo4 4s 12v bms :

Longer life cycle

FAQ:

lifepo4 4s 12v bms

Q: How to proceed order with you?

A: Firstly let us know your requirements or application. Secondly, we quote according to your requirements. Thirdly customer confirms the specifications or the samples and makes a deposit for the order. Fourthly We arrange the production.

Q: How do you ship the goods and how long does it take to arrive?

A: DHL, UPS, FedEx, or TNT for samples. For mass orders, you can choose Sea or Air shipment.

Q: Is this battery compatible with my own batteries?

A: Hello, we do not recommend connecting batteries of different brands since the BMS is different from the battery to the battery.

Q: Can we put different LiFePO4 battery packs in series by ourselves?

A: Why not use the bigger voltage directly? We usually suggest do not make the batteries in series by yourself if you do not have experience, this will hurt the cycle life of the pack.

Q: How long will be the delivery?

A: Usually delivery in 15-25 working days, but could be changed according to the quantity or other things.

Inspection and maintenance of battery for solar street lamp

How to check the solar street lamp battery?

1. Observe whether the surface of the battery is clean and whether there is any corrosion or leakage. If the casing is dirty, wipe it with a damp cloth dampened with detergent.

2. Observe whether the appearance of the battery is dented or bulged;

3. Tighten the connecting screws between battery cells at least once every six months to prevent loosening, resulting in poor contact and other failures. When maintaining or replacing the battery, the tools used (such as wrenches, etc.) must be equipped with insulating sleeves to prevent short circuits.

4. The battery should be charged in time after it is discharged. If the battery is under-charged due to continuous cloudy and rainy days, the power supply time of the power station should be stopped or shortened to avoid over-discharge of the battery. The maintenance personnel of the power station should charge the batteries regularly, generally 2 to 3 times per quarter. For batteries that have been out of service for a long time (more than 3 months), they should be recharged before being put into operation.

5. Insulation of the battery room should be done in winter and ventilation in summer. The temperature of the battery room should be controlled between 5℃ and 25℃ as far as possible.

6. Keep the lighting surface of the solar module array clean. In areas with little rain and windy sand, it should be cleaned once a month. When cleaning, you should first rinse with clean water, and then wipe dry with a clean soft cloth. Do not rinse with corrosive solvents or wipe with hard objects. . The cleaning should be carried out at a time when there is no sunlight or in the morning and evening. Avoid washing the modules with cold water during the day when the photovoltaic modules are heated by the sun. Very cold water will break the glass cover of the photovoltaic module.

7. Regularly check whether the wiring between the photovoltaic module panels is firm, whether the wiring in the square-array junction box is firm, and tighten as needed; check whether the photovoltaic module is damaged or abnormal, such as damage, disappearance of grid lines, hot spots, etc.; check Whether the bypass diode in the junction box of the photovoltaic module works normally. When there is a problem with the photovoltaic module, replace it in time, and record the specific installation and distribution position of the module in the photovoltaic array in detail.

One of the facilities to ensure the stable operation of solar street lights is the battery. So how do we maintain the battery during its use?

In fact, the most important thing is to observe more, find and solve the problem in time, in order to ensure the working efficiency of the battery, and to extend the service life of the battery to a certain extent.

The battery needs to be maintained 1 to 2 times a year, mainly to measure and record the voltage and internal resistance of the single battery, and compare the actual measurement data with the original data. Once the difference between individual unit batteries is found to increase, they should be replaced in time. . In some simple solar street lights, the power consumption should be controlled according to the energy storage status to avoid battery damage due to over-discharge. Any abnormal situation should be checked and repaired immediately.

Since photovoltaic power plants use solar energy to generate electricity, and solar energy is a discontinuous and unstable energy source, it is easy to cause the battery pack to be overcharged, overdischarged and undercharged. The battery pack is the weakest link in the photovoltaic power station, and the battery should be inspected and maintained regularly.

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