5V/2.1A Charge Discharge Boost Protection 3.7V 4.2V Battery DC-DC UPS DIY Module S927

3.24 $

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-0.3%

Reliable seller: 89%

Above average, safe to buy, Global-PC Store

More than 8 years of seller experience
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Prices at other sellers from 1.2 $

1.48 $

1Pce DC 5V 2.1A Mobile Power Diy Board 4.2V Charge / Discharge(boost) battery protection indicator module 3.7V lithium 18650

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Reliability – 42%

Seller Red Yellow Store

1.20 $

MH-CD42 DC 5V 2.1A Mobile Power Diy Board 4.2V Charge/Discharge(boost)/battery protection/indicator module 3.7V lithium 18650

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Reliability – 89%

Seller Si Tai&SH Circuit IC Store

28.04 $

20PCS/LOT 2A 5V Charge Discharge Integrated 3.7V 4.2V Lithium Battery Boost Mobile Power Protection Module Free shipping

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Reliability – 59%

Seller Mobin Store

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5V/2.1A Charge Discharge Boost Protection 3.7V 4.2V Battery DC-DC UPS DIY Module S927 2026 - buy cheap

5V/2.1A Charge Discharge Boost Protection 3.7V 4.2V Battery DC-DC UPS DIY Module S927 - compare prices

5V/2.1A Charge Discharge Boost Protection 3.7V 4.2V Battery DC-DC UPS DIY Module S927 - specifications

5V/2.1A Charge Discharge Boost Protection 3.7V 4.2V Battery DC-DC UPS DIY Module S927 - photo 2026

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Product specifications

Brand Name: OOTDTY
Origin: CN(Origin)
Compatible Brand/Model: None

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