4 Strings 30A 18650 Charger Protection Board Lithium Battery Protection Board

Description

1) Discharge: continuous discharge current 30A (MAX), instantaneous discharge current 70A;
2) Charging: charging voltage 16.8V, charging current 30A (MAX);
3) Overcharge protection: overcharge detection voltage 4.28V ± 0.05, overcharge protection delay 0.1S, overcharge release voltage: 4.08V ± 0.1;
4) Cell balance: cell balance detection voltage 4.2V ± 0.025, cell balance release voltage 4.2V ± 0.05, cell balance current 60mA ± 5;
5) Overdischarge protection: overdischarge detection voltage 2.55V ± 0.08, overdischarge detection delay 0.1S, overdischarge release voltage 3.0V ± 0.1;
6) Overcurrent protection: Overcurrent detection voltage 150mV, overcurrent detection delay 9mS, overcurrent protection current 75A ± 5, overcurrent protection release condition (disconnect the load);
7) Short-circuit protection: short-circuit protection condition (short-circuit of external load), short-circuit detection delay of 250uS, short-circuit protection release condition (open negative open);
8) Temperature protection: None;
9) Internal resistance: The internal resistance of the main circuit is ≤15mΩ;
10) Self-consumption: working current ≤ 30uA, sleep current (when the battery is over discharged) ≤ 10uA;
11) Working temperature: temperature range -30 ℃ / + 80 ℃.

Product Features

About our company

2005, Established in Shenzhen, Guangdong, China, engaged in providing all kinds of diode, audino, integrated circuits, and electronic components.

2006-2008, Invested in Single Chip Microcomputer plant, specialized in manufacturing all kinds of sensor modules and power supply modules.

2009-2010, Started to manufacture Arduno-related modules, sensor modules, single development boards, etc.

2011-2012, Mainly provided various kinds of Arduno-related boards and shields, such as UNO R3, Mega, DUE, W5100 etc. At the same time, invested in the factory of 3D printer spare parts.

2013-2014, Took Arduno supplies as leading business,Cooperating with DIY factory, providing Ardu-related Robot products such as servo, control board cables and so on.

2015, Striving to develop overseas business, lower, accepting small batch orders. Investing in 3D printer factory and expanding product offerings.

FAQ

1. What is the terms of payment?

L/C,D/A,D/P,T/T,Western Union,MoneyGram

2. What is the delivery time?

Normally, 1-5 workdays after payment;
Special requirement orders, delivery time is negotiable.

3.If the products can't work after receiving it,what should I do?

We will replace new items for you at once, and respect your final decision for wrong goods.

4.If the products don't meet my demand after I received it,can I return it?

Yes,no problem.You can return back to us, we will refund your full payment.

5.what is the warranty?

1-2 years warranty according to different products.
1-3 months to replace new items for free.
All products are tested strictly for 2-3 times before leaving factory. we have earned very good reputation in quality,Certified by the ISO9001.