3S battery Box 12V 18650 power wall 3s pack bms li-ion Lithium BMS PCB 40A 80A Protection board | Электроника

 

 

dc 12V 18650 power wall 3s battery pack 3S battery Box 3S bms li-ion battery Li-ion Lithium 18650 BMS PCB board DIY 40A 80A

 

    　   Description: Features: 

 
Purchase Notes：
Due to the misunderstanding of this product, it is specifically stated that the order is known as follows：

1. The battery direction of all battery cases is subject to the PCB board.

2. The product is only a circuit board, does not contain a battery, battery box and BMS are purchased separately

3. If used as a multi-layer battery station, select a piece with a protective plate, and the remaining options do not have a protection plate. The protection plate can provide a balance equalization function for the entire multi-layer battery case, without having to add a protection plate to each layer.



3S, 6S with protective plate battery box

product description
Our updated power wall system comes with its own protective board, which saves costs and reduces the difficulty of use. It is very practical. The port location of this product is the same as the old version, so even customers who have already bought it can seamlessly stack them. Later, we will add voltage regulating module, solar impulse releasing module, night light, fan, multi-function module and so on, which can be superimposed with battery box and protection plate.
Product parameters
3S2P single sided ：
Weight: 134g
Size: 150*85*25mm
Voltage: 12V
Electricity:25A
3S2P BMS 40a/80a
Weight: 122g
Size : 50*85*25
Voltage: 12V
Electricity: 25A
3S4P double-sided ：
Weight: 134g
Size: 150*85*45
Voltage: 12V
Electricity: 25V
irection for use
Recently, we found that our battery box product has been inquired by many customers, who are not very understanding of the use of this battery box. Here we add a new instruction of using tips.
3s in the title means three batteries in series, only three batteries can be loaded on the circuit board, and the rated output voltage is 11.1v. (filled with 12.6v and finished with 8.7v).
6s in the title means six batteries in series. Only six batteries can be used on the circuit board, and the rated output voltage is 22.2v. (full of 25.2v, full of 17.4v).
The upper and lower layers are superimposed to increase the capacity without changing the voltage.
When installing batteries, the positive and negative orientations of the batteries must be the same, and the positive orientations of all batteries must be on the same side.
The output power of the battery box is determined by the performance of the battery. The better the performance of the battery, the greater the output current.
The voltage will change during the battery charging or discharging process, and the protection plate of the product does not have the function of stable output voltage. The voltage of the battery full is different from that of the battery after discharging, so the voltage will change.

First, determine the capacity you need.
1. If you use it as a pure battery energy storage, take each battery 3000 mah (3AH) and ordinary lithium battery rated at 3.7v as an example, with 100% ideal conversion efficiency.
(1) 3s is 3.7v* 3 section =11.1v capacity 3000MAH energy 3.7u 6 section 3AH=66 6WH.
(2)6s each layer is 3.7v*6 sections =22.2v capacity 3000MAH energy 3.7v*6 sections *3AH= 66.6WH.
(3) according to your capacity requirements to buy the corresponding number of layers.
2. You need to know the power life of the appliance if you are using it as a backup power source or as a reserve battery for uARS. Take each battery3000 mah (3AH), ordinary lithium battery rated at 3.7v, 100% ideal conversion efficiency.
(1) a 100w electrical appliance needs 100WH/ 11.WH =9 batteries for 1 hour.
100w of electrical appliances use 2 hours need: 100wH 2/ each 11.1wh = more than 18 batteries,and so on.
(2) use of 500w electrical appliances for 1 hour: 500wH/1, 1.1wh per unit = more than 45 batteries.
500w electrical appliances need :500wH'2/ 11.1wh per unit = more than 90 batteries,and so on.
(3) choose different Numbers of panels after knowing the number of batteries.

After knowing the capacity, it is necessary to determine the voltage or power supply mode of the appliance.
(1) if you want to use it as a charging treasure for mobile phone or other SB charger, you need to buy a buck usB module to use 12 or 24v buck to 5v (available in this store).
(2) if you want to supply power to dc appliances or modules, you need to buy booster modules if the voltage of the appliance is high and the voltage of the battery box is lower than the voltage of the battery box. If the voltage of the appliance is within the range of the battery box voltage, you will need to buy voltage lifting modules.
Above is the battery box output using tips.

Here are battery pack charging tips:
1. The charging limit of battery box protection board is 8A. The charging current of each layer of battery is not recommended to exceed two amps. If it is a two-layer battery, it is recommended to choose a charger within 4A. And so on, if the curre

Package Contents
100% Brand New
1 XI2S to SPDIF Coaxial Fiber Output Board/IIS Input Coaxial Output


 

 
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