Description
About 4S 20A Battery Protection Board ( BMS ) for 18650 Lithium Battery
This board is a Lithium battery protection board or a battery management system which is used for 3.7V lithium ion batteries. The board is square shaped and portable which makes it easy to store and transport. The board offers over charging and over discharging protection along with short circuit protection as well as over current protection. We can use this board to charge the lithium ion batteries as well provided that they are rechargeable. We can combine 4X18650 electric cell along with this BMS system to make a battery pack having voltage rating of up to 15V DC. Four 18650 batteries can be connected simultaneously to the HX-4S-BM20 module.
SPECIFICATIONS
| Model | HXYP-4S-BM20 |
| Maximum Working Current | 15A |
| Maximum Instantaneous Current | 20A |
| Overcharge voltage range | 4.25 ± 0.05V |
| Over-discharge voltage range | 2.5 ± 0.05V |
| Charging voltage | 16.8V |
| Quiescent current | <30uA |
| Size | 3.6 x 3.6 cm |
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