OEM 4s1p 14.8V 3400mAh Custom Battery Pack 14.4V 2.6ah Robot Vacuum Cleaner Lithium Ion Batteries

• Customization: Available
• Type: Lithium-Ion Battery Pack
• Connection Mode: Series and Parallel
• Model NO.: 18650-SMB4S1P-34
• Rechargeable: Chargeable
• Discharge Rate: Customized
• Size: 135*36*22mm
• Accessories Type: Battery
• Rated Capacity: 2600mAh~4000mAh (OEM)
• Standard Voltage: 14.8V
• Usage: Toys/Home Appliance/Consumer Electronics
• Electrolyte: Li-ion
• Charge Voltage: 16.8V
• Charge Current: 0.5c
• Weight: 200g
• Warranty: 3months-1year
• Anode Material: Ncm/LFP
• Temperature: -40ºC-60ºC
• Transport Package: Marine
• Specification: 4s1p
• Trademark: EVVA/OEM
• Origin: Guangdong
• Production Capacity: 5000 Pieces/Year

Product Description

Product Features

*High Reliability
Featuring A-Class, top-tier cells for excellent balance, long cycle life.

* High Energy Density
Achieve long lasting power supply based on limited space and light weight.

* Outstanding Performance
Provides high power delivery, ensuring consistent energy output in the most demanding marine conditions.
* Efficient Thermal Management Supports multiple cooling methods, preventing thermal runaway and ensuring stable performance during high-current use.
*Environmentally Friendly
Designed with sustainable materials to meet environmental standards,contributing to cleaner marine operations.

Product Description

Product Name	Lithium-ion Electric Scooter Battery Pack
Nominal Voltage	14.4V
Nominal Capacity	34Ah
Minimum capacity	3250mAh
Nominal discharge capacity	1600mA Charge: 1.50A, 4.20V,CCCV 150mA cut-off,  Discharge: 0.2C, 2.5V discharge cut-off
Standard charge	CCCV, 1.50A, 4.20 ± 0.05 V
Weight	200g max.
Discharge cut-off voltage	10V
Operating Temperature	Charge: 0~45℃  /Discharge: -20~60℃
Dimension	132mm(L)*36.5mm(W)*18.5mm(H)
Operating temperature  (surface temperature)	Charge : 0 to 50 Discharge: -20 to 75
Storage temperature  (Recovery 90% after storage)	1.5 year -30~25°C 3 months -30~45°C 1 month -30~60°C

Company Profile

Production Line

Packaging & Shipping

Warehouse & Laboratory & Testing

Certifications

FAQ

Q1: Are your battery quality approved?‌
‌A:‌ Yes, we guarantee all cells are 100% original from Lithiumwerks, Molicel, Panasonic, Samsung, LG, and Murata. Before assembling into battery packs, each cell undergoes comprehensive inspection and grouping. All finished battery packs are fully inspected before shipment46.
 
‌Q2: How can you prove the cells you use are 100% original?‌
‌A:‌ We can provide original packaging lists, factory inspection reports, and other relevant documents issued by these manufacturers34.
 
‌Q3: Are you a factory? What services do you provide?‌
‌A:‌ Yes, we operate our own factory with a team experienced in lithium batteries for over 15 years. We offer OEM and ODM services for battery packs, with quality strictly controlled under ISO 9001:2015 standards56.
 
‌Q4: What certifications do you hold?‌
‌A:‌We hold ISO 9001:2015 for quality management systems. Our batteries are certified with CE, RoHS, CB, UN38.3, and MSDS. For OEM battery packs, we assist clients in obtaining necessary certifications45.
 
‌Q5: What is your lead time if I place an order?‌
‌A:‌ For stock products, delivery is within 2 business days after payment confirmation. Custom battery packs require approximately 10–15 days for production58.
 
‌Q6: What payment methods do you accept?‌
‌A:‌ We accept T/T (Telegraphic Transfer), Trade Assurance, and PayPal8.
 
‌Q7: What is your warranty policy?‌
‌A:‌ We guarantee pre-shipment quality. From the delivery date, we offer a 30-day free refund, 4-month free replacement, and lifetime repair service. Damage due to improper use is not covered.