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Daly Smart BMS 200A Balance LiFePO4 4s 8s Li-ion 3s 6s 7s Built-in Bluetooth

Name: Daly Smart BMS 200A Balance LiFePO4 4s 8s Li-ion 3s 6s 7s Built-in Bluetooth
Brand: Dongguan Daly Electronics Co.,Ltd
SKU: 2264898255

Guangdong, ChinaDongguan Daly Electronics Co.,Ltd

US$34.90

1-9 Pieces

US$31.90

10-99 Pieces

US$29.50

100+ Pieces

Product profile

Customization

Available

Color

Black

Series

4s-8s

Model NO.

RYM-4S-8S-200A

Current

200A

Charging Protection

Yes

Discharge Protection

Yes

Over Current Protection

Yes

Short Circuit Protection

Yes

Temperature Protection

Yes

Drop Proctection

Yes

Certificate

ISO9001:2015/RoHS/FCC/PSE/CE

Function

Built-in Bluetooth

Default

with Passive Balancer

Communication

Uart Port

Optional

RS485 Port

Transport Package

1PC/Bubble Bag/Box

Specification

180*93*17mm

Trademark

DALY

Origin

China

HS Code

8536300000

Production Capacity

5000PCS/Day

Key features

Built-in Bluetooth: Enables wireless monitoring and control via mobile app for real-time data access.

Comprehensive Protection: Includes over current, short circuit, temperature, and drop protection for safety.

Passive Balancing: Automatically balances cells at 3.6V (LiFePO4) or 4.18V (Li-ion) with 35mA resistance.

Multiple Series Options: Available in 3S, 4S, 6S, 7S, and 8S configurations to suit various battery packs.

Flexible Customization: Supports OEM/ODM, full customization, and minor customization from samples or designs.

No Minimum Order: Accepts orders as low as 1 piece with flexible capacity and size requirements.

Fast Delivery: Peak and off-peak season lead times are both within 15 working days.

Global Certifications: Certified with ISO9001:2015, RoHS, FCC, PSE, and CE for international compliance.

Company profile

Production Process VisualizationFast DeliveryCustomization from Designs100% Finished Products Inspection

Dongguan Daly Electronics Co.,Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤9.26h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad technical and service capabilities. It reports ODM, OEM for known brands, SDK availability, multiple customization modes, recent new-product development, 44 R&D engineers, and technical support extending through after-sales service. Production information cites advanced equipment, a complete production line, annual capacity of 6 million sheets, and products covering battery assemblies from 1 to 32 strings and protection systems up to 250A. Quality and management systems include 46 inspection staff, 40 test-equipment units, written procedures, ISO9001:2015 certification, and CE, RoHS, and FCC certifications. The supplier has overseas warehouse and agent/branch capabilities and has attended several offline trade shows. Financial records are indicated for multiple years, but the provided slices do not disclose substantive financial results. No specific customer names or documented customer cases are provided.

Supplier typeThe supplier presents itself as a manufacturer with R&D, ODM, OEM, and battery-system production capabilities. Its stated product scope includes battery assemblies from 1 to 32 strings and lithium battery protection management systems with working current up to 250A, while overseas warehouses and agents/branches support service delivery.

CertificationsThe supplier states that it holds an ISO9001:2015 certificate and has product certification capability for CE, RoHS, and FCC. These are explicit certifications or certification capabilities, although the slice does not provide certificate validity dates or detailed scopes.

After-Sales capabilityTechnology engineers are explicitly responsible for technical support during production and after-sales service. The supplier also reports overseas warehouse and overseas agent/branch capabilities, but it does not provide detailed after-sales response times, repair procedures, or service coverage by country.

R&D capabilityEvidence includes new products during the past year, 44 R&D engineers, responsibilities covering new-product development and technical support, ODM services, SDK availability, ERP integration, and ongoing digital-process construction. The slices support an established innovation and technical-development capability, although they do not quantify R&D investment or patent output.

Production capacityThe supplier states that it has advanced production equipment, a sound production line, annual capacity of 6 million sheets, and a complete product range. Quality resources include 46 inspection staff and 40 test-equipment units, while stated average lead times are within 15 workdays in both off-season and peak season; the capacity figure is not independently qualified by product or period.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full and flexible customization, and minor customization. ODM service, OEM service for known brands, and a product range spanning multiple battery-assembly configurations further support tailored production capability.

Product Q&A

Q:How to choose the suitable bms?

Please tell me below 3 questions: 1. Is your battery pack 3.7v li ion or 3.2V lifepo4? 2. How many cells in series of your battery pack? 3. What's the peak power watt of your load or motor? What kind of application do you want to use the battery pack for?

Q:How to active the bms?

For our smart bms, when first use, need to activate first. Method 1: Purchase the power board, there is an activation switch on the board and click the button. Method 2: Press the button on the bluetooth module to activate the bms directly. Method 3: Charge activation, B-line must be connected to the total negative pole of the battery pack when charging.

Q:What is the balance function? Do we need cell balance or not?

When your one cell voltage was reached balance voltage (Li-ion 4.18V, LifePo4 3.6V), that cell balance start work, balance resistance starts discharge with 35mA, that cell was in both charging and discharging status, and other cells were not reached balance voltage (Li-ion 4.18V, Life Po4 3.6V), so they are only in charging status, when the fast cell voltage was reached overcharge voltage (Li-ion 4.25V, Life Po4 3.75V), BMS starts off power protection, all the cells are stop charging, this proce

Q:What type of charger should i choose?

Lithium battery must choose specific charger, don't use charger for leadacid battery, for leadacid charger may have MOS with high pressure breakdown protection, which will not protect of BMS over charge. LiFePo4 battery charger voltage = number of battery strings X 3.6V, while Li-ion battery charger voltage = number of battery strings X 4.2V.

Q:Do you have Minimum Order Requirement (MOQ)?

No, we don't have MOQ. different customer have different requirement, we can provide various capacity and size as per your requirements, also ODM / OEM is welcome.