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20s 60V 120A 200A LiFePO4 Battery Battery Management System Daly Smart BMS Waterproof with Balance Function
US$72.00
1-9 Pieces
US$68.00
10-99 Pieces
US$65.00
100+ Pieces

Product profile

Customization

Available

Products Name

Battery Management System

Over Discharge Protection

Yes

Model NO.

20S 60V 120A

Over Charge Protection

Yes

Short Circuit Protection

Yes

Over Current Protection

Yes

Smart Function

Blue Tooth Uart RS485 Can

Transport Package

Standard Express Packing

Specification

Standard Size

Trademark

Deligreen

Origin

China

Production Capacity

10000 Piece/Month

Key features

Smart Bluetooth Control: Features Bluetooth, UART, and RS485 connectivity for intelligent monitoring and management.
Comprehensive Protection: Includes over-charge, over-discharge, short-circuit, over-current, and temperature protection.
Wide Compatibility: Supports LiFePO4, Li-ion, LTO, and various lithium battery types from 3S to 48S.
EU Warehouse Stock: BMS and batteries are in stock in Poland for fast delivery and drop shipping to the EU.
Waterproof Design: Sealed with waterproof tape in 3-layer UN cartons to ensure performance in humid environments.
High-Quality Components: Manufactured with high-quality imported MOS and ICs for long cycle service life.
CE & RoHS Certified: Products meet strict safety and environmental standards with CE and RoHS certifications.
Versatile Applications: Ideal for e-bikes, scooters, RVs, solar street lights, UPS, and home energy storage.

Company profile

Changsha Deligreen Power Co., Ltd.
Importers and ExportersHigh Repeat Buyers ChoiceExperienced Team
CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Minor Customization CertifiedExport Year: 6 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤9.76h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryChangsha Deligreen Electronics/Changsha Deligreen Power Co., Ltd. is a China-based limited trading company established in 2017 with 12 employees and a valid import/export license. It offers battery and EV charging-related products, reports 90% export sales, and serves multiple international regions. Its stated annual output is 10,000,000 active battery balancers, with lead times within 15 working days in both peak and off-peak periods. The supplier has overseas warehouse capability and provides minor customization, supported by two R&D engineers. However, the evidence shows no new products launched in the past year, no ODM, branded OEM, or SDK capability, and no overseas agents, branches, showroom, or offline trade-show participation. Quality assurance, traceability, and formal service-management procedures are not documented; quality-control testing equipment is reported as zero. Customer satisfaction is claimed, but no specific customer cases are provided.
Supplier typeThe supplier is identified as a trading company and a limited company headquartered in Asia, with its operating entity in Hunan, China. It has 12 employees, is not part of a larger group, and holds a valid import/export license, indicating an independently operated trading business with export capability.
R&D capabilityThe supplier reports no new products launched in the past year, no ODM service, no branded OEM capability, and no SDK availability. It has two R&D engineers, but their stated responsibility is limited to minor customization, indicating limited documented innovation capability.
Production capacityThe supplier reports 10,000,000 pieces of annual active battery balancer output, lead times within 15 working days in both peak and off-peak seasons, and 90% export sales. These figures support operational production and export fulfillment capability, although the company is also classified as a trading company and has only 12 employees.
Customization capabilityThe supplier explicitly offers minor customization, and its two R&D engineers are assigned to provide minor customization. No evidence supports broader engineering, ODM, or SDK-based customization services.

Product Q&A

Q:Which current PCB should I choose for my battery pack?
A:
The choice depends on your motor power or controller current limit. For example, below 350W choose 16A; below 500W choose 18A; below 800W choose 35A; below 1KW choose 60A. If unsure, contact us for advice.
Q:Can I use a larger PCB size than required?
A:
Yes, you can choose a higher spec (e.g., 80A instead of 60A) which allows higher current. However, you cannot choose a lower spec than required, as it may be insufficient.
Q:What kind of charger should I use?
A:
You must use a lithium battery charger. Do not use a lead-acid battery charger as it may damage the MOS pipe of the PCB.
Q:Do I need additional balancers if I have a BMS?
A:
Yes, adding QNBBM balancers is recommended. While the BMS prevents over-charge/discharge, external balancers improve balance performance, extending battery lifespan and fully utilizing capacity.
Q:How can I judge if my PCB is broken?
A:
Use a multi-meter to check if cell voltages are close. A 1V difference indicates defects. If the battery voltage is normal but cannot discharge, the PCB may be broken.

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