2S PCB BMS Protection Board for 2 Packs 3A 6.4v 18650 LiFe LiFePO4 Battery Cell

Description

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Description
Product features:
The protection board uses the Japanese Ricoh rechargeable lithium iron phosphate battery protection IC;
1) built in high precision voltage detection circuit;
2) the terminal of the charger is using high voltage device;
3) built in the 3 section over current detection circuit
(over current 1, over current 2, load short circuit);
4) through the MOS tube can control the battery charge and discharge;
5) low standby consumption current.
Main function:
Over charging protection, over discharge protection, short circuit protection, over current protection function.
Product Usage:
2 string LiFe iron lithium-ion LiFePO4 phosphate rechargeable battery pack
.
Technical parameter:
No.
Test item
Criterion
1
Voltage
Charging voltage
DC:7.3V CC/CV
Balance voltage for single cell
N/A
2
Current
Balance current for single cell
N/A
Current consumption
≤6μA
Maximal continuous charging current
N/A
Maximal continuous Discharging current
3.2A
3
Over charge Protection
Over charge detection voltage
3.65±0.025V
Over charge detection delay time
N/A
Over charge release voltage
N/A
4
Over discharge protection
Over discharge detection voltage
2.0±0.1V
Over discharge detection delay time
N/A
Over discharge release voltage
2.5V±0.1V
5
Over current protection
Over current detection voltage
N/A
Over current detection current
5.2±0.5A
Detection delay time
5ms - 15ms
Release condition
Cut load circuit
6
Short Circuit protection
Detection condition
Exterior short circuit
Detection delay time
≤50us
Release condition
Cut load circuit
7
Resistance
Protection circuitry（MOSFET）
≤45mΩ
8
Temperature
Operating Temperature Range
-40～+50℃
Storage Temperature Range
-40～+125℃
Board size: 29.5*6*2.7mm
Package Include:
Protection Board
x 1
Payment
We only accept payment via Paypal.
The buyer is responsible for any applicable import duties and local taxes.
Usually there's no any charges for small parcel. But please verify with your customs before making your purchase.
Delivery details
The items will be shipped within 1~2 working days after your payment is received and cleared.(excluding Saturday, Sunday & Holiday)
All items will be shipped to your Paypal address, so please make sure to provide us with the correct, precise, detailed shipping address.
The Delivered time to USA buyer is about 7~20 days, other country about
15~35
days delivered.
Notes: pls contact us if you need need trackable or express shipping service.
Terms of sales
All the items will be tested before shipping. Buy them with the confidence!
We maintain the excellent service standards
and strive for 100% customer satisfaction and
Positive feedback.
If you have any problem, please do feel free to contact us before leave Neutral
or Negative
feedback, so that we can satisfactorily address your concerns.
Return
We afford all cost if it's our fault. Exchange or refund.
If not our problem, the buyer should be responsible for the shipping fee.
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Business time: 9:30~21:30 (GMT+8) exclude the weekend and holidays.
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