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JESSINIE 12Pcs 1S 3.7V 4A Lithium Battery Protection Board PCB BMS Protection Board for Li-ion Lithium Battery Cell Dual MOS — Open-Box, 17% Off
Brand: JESSINIE
Condition: Used
$745
$895
-17% Save $150
Updated: 2 days ago
Description
Charging Voltage: 4.2V; Maximum Working Current: 4A
High quality: high-accuracy voltage detection circuit, fine workmanship and durable
Multiple protection: Overdischarge protection, Overcharge protection, Overcurrent, Short circuit protection
Wiring instruction: B+: Battery V+ Positive, B-: Battery V- Negative, P+: Output / Charging V+, P-: Output / Charging V-
Use for variety of capacities and various shapes Massager battery pack, LED lamp backup power supply, solar street lamp battery pack, monitoring backup power supply, etc
Technical parameters:
Model: HX-1S-3540
Size: 35mm * 4mm * 2.2mm
Charging voltage: 4.2V
Overcharge voltage range: 4.25V ± 0.05V
Overdischarge voltage range: 2.5V ± 0.05V
Upper limit working current: 5A
Upper instantaneous current: 7A
Quiescent current: ＜30μA
Short circuit protection: It can be protected and needs to be charged for recovery
Main functions: overcharge protection, over-discharge protection, short circuit protection, over-current protection
Wiring instructions:
B+: Battery V+ Positive
B-: Battery V- Negative
P+: Output / Charging V+
P-: Output / Charging V-
Note:
Lithium battery protection plate cannot be used for lithium iron phosphate battery, hernia lamp, electric hand drill battery pack, electric fish machine battery pack, electric bicycle battery pack, children's car battery, motor or products with motor, 1W fish-eye LED lamp
Model: HX-1S-3540
Size: 35mm * 4mm * 2.2mm
Charging voltage: 4.2V
Overcharge voltage range: 4.25V ± 0.05V
Overdischarge voltage range: 2.5V ± 0.05V
Upper limit working current: 5A
Upper instantaneous current: 7A
Quiescent current: ＜30μA
Short circuit protection: It can be protected and needs to be charged for recovery
Main functions: overcharge protection, over-discharge protection, short circuit protection, over-current protection
Wiring instructions:
B+: Battery V+ Positive
B-: Battery V- Negative
P+: Output / Charging V+
P-: Output / Charging V-
Note:
Lithium battery protection plate cannot be used for lithium iron phosphate battery, hernia lamp, electric hand drill battery pack, electric fish machine battery pack, electric bicycle battery pack, children's car battery, motor or products with motor, 1W fish-eye LED lamp
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Amazon Warehouse
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- 30-day return policy
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Product Details
- SKU:
- awhd-us-b0bxdm9h1l
- Model:
- HX-1S-3540
- Country:
- US
- ASIN:
- B0BXDM9H1L
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $2 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.
