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Product Details:
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| Charge Voltage: | 14.6V | Charge Current: | 250A |
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| Over Charge Volt: | 3.75±0.025 | Over Charge Volt Protect Delay: | 1 |
| Over Charge Volt Release: | 3.55±0.05 | Constant Discharge Current: | 250A |
| Peak Discharge Current: | 600±10 | Over Current Protection: | 600±10 |
| High Light: | BMS 4S 12 volt battery management system,250A 12 volt battery management system,250A 12 volt electric vehicle bms |
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Smart BMS lithium battery 4S12V 250A for large current discharge 3.2V battery
Before you placing the order.
Q:Which current of the PCB should i choose?
A:Take 13S 48V pack as an example: Which PCB you should choose depends on the power of your motor or the current limitation of your controller. Below 350W ,you can choose 16A.Below 500W, you can choose 18A, Below 800W, you can choose 35A,Below 1KW, you can choose 60A. Above 1200W, the same. If you are not sure, please contact us freely.
Q:What battery types do your BMS work with?
A:Our BMS can work for lithium phospate battery(Lifepo4)and NCM battery,lithium ion battery,ple let us know what your battery type before placing order.
Q:What BMS range can you supply?
A:Deligreen is a professional BMS supllier with abundant BMS range.Series from 3S-32S,Current from 10A-500A,if you need more series,pls contact us.
Q:How to choose the BMS that I need?
A:You need to make sure of following
1. battery type
2. charge current
3. discharge current
4. battery pack(series,parallel)
5. Peak discharge current
Q:Can I watch the battery status from my mobile phone?
A:Yes,this is waht a samrt BMS do,you can watch the status of your batteries in your APP throush bluetooth connected between phone and the BMS.
Smart BMS lithium battery 4S12V 250A for large current discharge 3.2V battery Specification
| Content | Spec | Unit | Remark | ||||||
| 80A | 100A | 120A | 150A | 200A | 250A | ||||
| Discharge | constant discharge current | 80 | 100 | 120 | 150 | 200 | 250 | A | |
| peak discharge current | 260±30 | 300±30 | 360±50 | 450±10 | 450±10 | 600±100 | A | ||
| Over current protection | 260±30 | 300±30 | 360±50 | 450±10 | 450±10 | 600±100 | A | ||
| charge | charge voltage | Series No.*3.65 | V | ||||||
| charge current | 50 | A | |||||||
| Over charge protection | over charge volt | 3.75±0.025 | V | ||||||
| over charge volt protect delay | 1 | S | |||||||
| Over charge volt release | 3.55±0.05 | V | |||||||
| Power balancing | Power balance volt | 3.5 | V | ||||||
| balance release volt | 3.5 | V | |||||||
| balance current | 35±5 | mA | |||||||
| Over discharge protection | Over discharge detect volt | 2.2±0.1 | V | ||||||
| Over discharge detect delay | 1 | S | |||||||
| Over discharge volt release | 2.7±0.05 | V | |||||||
| Over current protection | Over current detect delay | 1 | MS | ||||||
| Over current protect release | Off-load | ||||||||
| Short circuit protection | Short circuit protection | External load short circuit | |||||||
| Short circuit detect delay | 250 | uS | |||||||
| Short circuit detect release | Off-load | ||||||||
| Temperature protection | Temp protection | none | ℃ | Can be customized | |||||
| resistance | Main circuit resistor | ≤20 | mΩ | ||||||
| Self-consumption | Working current | 100 | uA | ||||||
| Sleepy current(when battery is over discharged ) | ≤20 | uA | |||||||
| Working temp | temp range | -40~80 | ℃ | ||||||
What is battery management system BMS?
Deligreen BMS is defined as an electronic system that manages a rechargeable battery(lithium phosphate,NCM battery,single cell or battery pack) by monitoring its state, calculating secondary data, reporting that data, protecting the battery, controlling its environment, and/or balancing it.This is a very worthy of money to make your battery packs a BMS.
Why deligreen BMS?
Deligreen was founded in 2010 and we have sold BMS for more than 10 years.BMS is one of our best sellers.The customers from more than 90 countries in the world have been using Deligreen's BMS,our BMSes are protecting tremendous amount of batteries in the world.It's worthy the every dollar/cent you spend on our BMS.;)
What is 4S12V 250A Common Port?
This is a smart battery management system,which monitor and control the status of the batteries&battery pack.It's a lifepo4 battery BMS,4 batteries in series,12V,250A current.common port.
Why do we need battery management system?
Battery Management Systems are the brains/CPU behind battery packs. They manage the output, charging,discharging and provide notifications on the status of thebattery pack. They also protect the batteries from damage.
The separate parts of smart BMS
What smart/soft function does it have?
There are severl options for the smart BMS,which you can have different function from it.Deligreen's smart BMS has CAN/UART/FAN,and LCD control.It denpends on what protocal of your battery is.We will supply the relevant cables for the connection,UART,USB.CAN.
What is battery management system BMS?
Deligreen BMS is defined as an electronic system that manages a rechargeable battery(lithium phosphate,NCM battery,single cell or battery pack) by monitoring its state, calculating secondary data, reporting that data, protecting the battery, controlling its environment, and/or balancing it.
Why do we need battery management system?
Battery Management Systems are the brains/CPU behind battery packs. They manage the output, charging,discharging and provide notifications on the status of thebattery pack. They also protect the batteries from damage.
About US
Changsha Deligreen Power Co.LTD,founded in 2010,is a "Green Energy Solution Service Provider".
Newest technology,new idea,hard-working and honest people.
Focus on lithium rechargeable battery,BMS,Balancer,charger and relative products.
BMS is one of best sellers,we've been receiving thousands of good comment from our clients because of its good quality and function
Contact Person: Leo Zeng
