{"id":222849,"date":"2026-08-05T19:44:21","date_gmt":"2026-08-05T19:44:21","guid":{"rendered":"https:\/\/vitacomoda.it\/product\/bms-1-5a-3s-4s-5s-6s-8s-13s-14s-17s-21s-li-ion-lifepo4-lto-batteria-al-litio-equalizzatore-attivo-bilanciatore-bordo-condensatore-di-equilibrio\/"},"modified":"2026-08-05T19:44:23","modified_gmt":"2026-08-05T19:44:23","slug":"bms-1-5a-3s-4s-5s-6s-8s-13s-14s-17s-21s-li-ion-lifepo4-lto-batteria-al-litio-equalizzatore-attivo-bilanciatore-bordo-condensatore-di-equilibrio","status":"publish","type":"product","link":"https:\/\/vitacomoda.it\/elettronica\/prodotto\/bms-1-5a-3s-4s-5s-6s-8s-13s-14s-17s-21s-li-ion-lifepo4-lto-batteria-al-litio-equalizzatore-attivo-bilanciatore-bordo-condensatore-di-equilibrio\/","title":{"rendered":"BMS 1.5A 3S 4S 5S 6S 8S 13S 14S 17S 21S Li-Ion Lifepo4 LTO Batteria al litio Equalizzatore attivo Bilanciatore Bordo Condensatore di equilibrio"},"content":{"rendered":"

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Features:<\/span>
1.Up to 1.5A equalizing current, efficient equalizing, low consumption, stable, mature and reliable circuit structure eliminates the risk of similar faults (the equalizing current varies with the voltage difference between batteries)<\/span>
2.Select low resistance and high frequency ceramic capacitors, and select high-quality components to promote performance and reliability. (The appearance, packaging and parameters of capacitors may vary with different batches)<\/span>
3.Low heat, high reliability and high precision, suitable for internal battery pack operation or external battery maintenance equalization, with equalization accuracy of 3mV<\/span>
4.Wiring plug, matching 24AWG pure copper connecting wire plug (wire length 30CM),<\/span>
5.The active equalization module of capacitive lithium battery is used for voltage equalization between lithium battery packs, and the independent operation between the module and the protection board does not affect each other. It is applicable to pack, repair and DIY battery pack.<\/span><\/p>\n

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Parameters:<\/span>
Product specification: 3S 4S 5S 6S 7S 8S 14S 17S 21S<\/span>
Equalizing current: 1.5A maximum (different from differential pressure, internal resistance, line resistance, etc.)<\/span>
Equalization accuracy: 3mV<\/span>
Suitable for batteries: lithium iron phosphate and lithium ternary<\/span>
Supporting wire: 22AWG, about 30CM<\/span>
Note: Except for 8s, other specifications can be reduced by one string<\/span><\/p>\n

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Package include\uff1a<\/span>
1X module circuit body<\/span>
1X connecting wire 22AWG, about 30CM<\/span><\/p>\n

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Common problem:<\/span>
Q1: Difference between similar products<\/span>
A1: Resistance passive equalization (advantages: cheap, small, stable, disadvantages: low efficiency, high heat)<\/span>
Inductive active equalization (advantages: affordable price, small size, disadvantages: poor stability, easy to break, and general accuracy)<\/span>
Transformer type active equalization (advantages: high accuracy, high stability, disadvantages: large volume, high price)<\/span>
Capacitive active equalization (advantages: reasonable price, high stability, small heating, high accuracy, high efficiency, disadvantages: relatively high circuit thickness)<\/span>
Q2: Wiring rules<\/span>
A2: Starting from 0V (main negative pole) in the clockwise direction, the hanging of 0V (main negative pole) in any state can easily lead to plate burning. Be sure to confirm the wire sequence and wrong order plate burning!<\/span>
Q3: Consequences of wrong wiring<\/span>
A3: The result is basically burning the board. “Teacher Fu” who is too confident will easily capsize, so careful operation is the best policy<\/span>
Q4: Use principle of wire rod<\/span>
A4: The specification of supporting wire is 22AWG (0.3m2), and the length is sufficient. The shorter the better.<\/span>
Q5: Power consumption of the module?<\/span>
A5: The power consumption of the module is as low as 1.5mA, which is suitable for working for a long time without shutting down. The light is always on. When the battery cell voltage is lower than 2.5V, the module enters the sleep protection mode to prevent excessive battery discharge (the power consumption of the sleep mode is as low as 5uA)<\/span>
Q6: Equalizing current<\/span>
A6: The limit current that the equalization module can withstand is 2A, and the current is not so large when the voltage difference is small or the internal resistance of the battery is large or the resistance of the connecting line is large; The equivalent internal resistance of 2A plate is 480 milliohm, {total equalizing current=differential pressure\/(battery internal resistance+connecting line resistance+equivalent internal resistance of equalizing plate)}.<\/span>
Q7: Working temperature<\/span>
A7: The circuit efficiency is very high, the heat generation is relatively low, and the general temperature is about 30-45 degrees Celsius<\/span>
Q8: Life of equalizing plate<\/span>
A8: The product is delivered after rigorous testing. It is not damaged by human factors (such as moisture, water, reverse connection, overpressure, static electricity, etc.). The life of the capacitor is 3-5 years (replace the capacitor when the bulge is found). The life of the chip, resistor and transistor is generally longer than that of human beings.
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