5V Boost Step up Power Module Lithium Battery Charging Protection Board Step-up Converter USB For LED Display 134N3P Programmer

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Product Overview


Product Description

Charge and discharge status indication
Built-in charging and discharging power MOS
Input voltage: 3.7V~5.5V
Charging current: up to 1A
Output current: up to 1A
Output voltage: 5V
BAT discharge termination voltage: 2.9V
Preset 4.2V charging voltage with an accuracy of ±1%
Discharge efficiency: 85% (input 3.7V, output 5V/1A)
Maximum 8uA stand-by current
Integrated charge management and discharge management
Intelligent temperature control and over temperature protection
Integrated output overvoltage protection, short circuit protection, heavy duty protection
Integrated overcharge and overdischarge protection
Supports turbulence mode and zero voltage charging



Our Services

Shipping & Delivery term:
1.We will ship the items within 1-3 working days after the payment received.
2.We can ship to you by UPS/DHL/TNT/EMS/Fedex/DPEX/EUB China Post&HK Post. Pls inform us  the shipping way you prefer directly.
3.We are not responsible for any accidents, delays or other issues that are the responsibility of the shipping service.
4.Any import fees or charges are the buyer's responsibility.

Guagranee and payment terms:
1.The guarantee period is 60 days.
2.About the payment terms,we can accept Paypal and Western Union or TT in adcance and Alipay,Ecrow terms.


Refund & Replacement:
1. If the items you purchased from our store are not of perfect quality that they don't work electronically to manufacturers specifications, simply return them to us for replacement or refund.
2. Any items must be returned in their original condition to qualify for a refund or replacement.
3. The buyer is responsible for all the shipping cost incurred.

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2.If you are satisfied with our items, please leave us active feedback.
3.Contact us before leaving any neagtive or neutral feedback. We will work with you to slove any problems.

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