SPECIFICATIONS

Active Balancing Current: 0.4

Application: lifepo4 LTO Ternary lithium battery LI-ION

Battery String Count: 4-24s

Battery Type: Ternary lithium battery/Lithium iron battery/Lithium titanate battery

Brand Name: jikong (jikong official)

Certificate: ISO9001 CE FCC ROHS UL

Copper Thickness: 2 OZ

Function: Balance Function/BT APP/NTC/RS485/CAN/Heating

Functional Application: Energy Storage BMS

Maximum Instantaneous Current: 80A

Model Number: JK-BD4A8S4P

Operating System: Android 8.0,Android 6.0,Android 7.1,Android 11.0,Android 9.0

Place of Origin: Sichuan, China

Protection Type: Overcurrent/Overvoltage/Undervoltage/Short Circuit/Open Circuit

RAM: 64 GB

Supplier Type: manufacturer Wholesale & Retail

Supply voltage: 20~100v

Type: bms power pcba

continuous Current: 40A

service: OEM ODM

Products Description

Product Paramenters

Technical Index	JK-BD4A8S4P	JK-BD4A17S4P	JK-BD4A20S4P	JK-BD4A24S4P
Number of Battery Strings(Li-ion)	3~8s	7~17s	7~20s	7~24s
Number of Battery Strings(Lifepo4)	4~8s	8~17s	8~20s	8~24s
Number of Battery Strings(LTO)	7~8s	14~17s	14~20s	14~24s
Balance Current	0.4A	0.4A	0.4A	0.4A
internal loop resistance	≤2.8mΩ	≤2.8mΩ	≤2.8mΩ	≤2.8mΩ
Continuous Discharge Current	40A	40A	40A	40A
Maximum Discharge Current{MAX 2min)	80A	80A	80A	80A
Other Interfaces (Defaut)	Display/GPS/NTC	Display/GPS/NTC	Display/GPS/NTC	Display/GPS/NTC
Supply Voltage	20~100V
Single Cell Voltage Range	1~5V
Voltage Acquistion Accuracy	±5mV
Trigger balancing differential pressure	0.01V
Over Charge Protection Voltage	1.2-4.35V Adjustable
Over Charge Relese Voltage	1.2-4.35V Adjustable
Over Discharge Protection Voltage	1.2-4.35V Adjustable
Over Discharge Relese Voltage	1.2-4.35V Adjustable
Over Current Detect Delay	2~120S Adjustable
Bluetooth Function	Support for Android/l0S/Harmony
Temp Protection	Yes
Short Circuit protection	Yes
Coulomb Counter	Yes

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FAQ

1. Why can't the battery discharge?

Low voltage triggers protection and stops discharging. 2. The protection boaromalfunctions
or is damaged.3.Incorrect wiring or line interruption.

2. Why can't the battery be fully charged when charging?
The charger is faulty or the wiring is incorrect. 2. The protection status has notbeen lifted.

3. How to deal with faults in the protection board?
Use a multimeter to test the battery voltage and the output of the protection ic

4. Mayl ask if samples are supported?
Welcome to purchase samples. The sample fee will be refunded based on thefuture cooperation situation.

5. What are your payment terms?
We accept telegraphic transfer and cash payment, etc. Everything can benegotiated. Available payment methods: visa, master card,T/T,PayPal. APPLEPAY,GOOGLE PAY,GC real-time bank transfer. RMB.

6. Regarding logistics
You can choose your own logistics method, and the freight will be automaticallyconverted, or you can use the logistics method we recommend

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