BestWay bms Li-Ion lifepo4 7s 13s 14s 17s 20s 72v 40A 50A 70A печатная плата литиевая батарея

The main functions are: over charge protection, over discharge protection, over current protection, short-circuit protection, temperature protection etc.

BWPB-534-14S-50A-02G Lifepo4 Lithium BMS Technical Parameter for your reference: 

Q: How do I know which kind of material & type my battery is ?

A: Please look the battery body,if the normal voltage of your battery shows 3.2V,the battery is LiFePo4.If the normal voltage of your battery shows 3.6V or 3.7V, the battery is Li-ion or
Li-polymer battery, You can also ask battery manufacturer for the material of battery.

Q: Is this BMS suit for my battery?

A: This BMS suit your battery or not depends on 3 points as below:
1.How many cell strings are in your battery pack? The BMS you buy must be same cell strings as your battery pack.

2.How many current&power are your battery?

3. Which kind of battery are yours? Only the LiFePo4 battery has different electric parameter from other battery, so if you need buy the BMS for LiFePo4, Please let us know firstly.

Q: What is the Common port and Separate port? what is the difference?

A: We take 13S 48V 16A BMS as example:
Common port 16A means your charge cathode and discharge cathode are connected in the same point end (our P-), charge cathode and discharge cathode are used in the common connection port, so the charge current and discharge current are same as 16A.
Separate port is separately connected by charge cathode (our C-) and discharge cathode (our P-), so the charge current and discharge current are different, discharge current is 16A, charge
current is 8A.

Q: The relationship between battery capacity(AH or mAH) and BMS current(A)?

A:There is no direct relationship between battery capacity and BMS current, big capacity doesn't mean big current, but rely on continue current, that is to say if your engine is powerful,
you should choose high current of BMS, it is not relied on battery capacity.

Q: What type of charger should I choose?

A: Lithium battery must choose specific charger, don't use charger for leadacid battery, for leadacid charger may have MOS with high pressure breakdown protection, which will not protect of
BMS over charge. LiFePo4 battery charger voltage = number of battery strings x 3.6V, while Li-ion battery charger voltage = number of battery strings x 4.2V.

Q: Do you have Minimum Order Requirement (MOQ)?

A: No, we don't have MOQ. different customer has different requirement ,we can provide various capacity and size as per your requirements, also ODM / OEM is welcome.

Q: Which kind of Payment Term can you accept?

A: PayPal, T/T, Western Union, MoneyPayPal, T/T, L/C,Western Union and so on, everything can be negotiable.

Q: How to contact for BMS?

A: Please contact us anytime here or E-mail us and we are always glad to help you with BMS.

Q: What's your lead time?

A: Sample(<50pcs): 3-7 days, 50pcs - 1000pcs: 8-14 days, Big cargo (>1000pcs): 15 days