Custom 18650 35e 2s1p Lithium-Ion Battery Pack for Portable Speaker/Game Player/Digital Camera

Product Description

Items	Specifications
Chemistry	Li-ion
Array	2S1P
Nominal Voltage	7.4V
Nominal Capacity	3.5Ah
Max. charge current	2A
Max. continuous discharge current	8A
Dimensions	customized
Connector	customized
PCM/BMS Function	Protect the battery against overcharge, overdischarge, overcurrent and short circuit, etc.
Weight	~100g(Battery only)

Product Description

Product Details

Outstanding Features

1. Superior Materials - Select Class-A Lithium battery cells and UL/CE/PSE/KC/ROHS/UN38.3 approved materials for the battery pack, quality guaranteed.
2. High Energy Density – Compact size with relatively large energy storage.
3. Rechargeable & Long Life Span – ≥3000 cycles
4. Built-in Protection (if with BMS) – Overcharge, over-discharge, overcurrent, and short-circuit protection.
5. Stable Voltage Output – Provides a consistent nominal voltage supply.
6. Lightweight & Portable – Much lighter than equivalent lead-acid packs.
7. Customizable Capacity 
8. Low Self-Discharge 

9.Enhanced Safety Features–Integrated BMS Integrated precharge circuit and isolation measurement efficient liquid cooling system.

10.Quick Charge & Recovery–Fast charging capabilities ensure the battery is ready to go quickly, supporting the fast-paced nature of modern driving.

11.Space-Efficient Design–High energy density, compact form factor that fits seamlessly into a range of vehicle models without compromising on power.

Exhibitions and Parters

FAQ

Q1: Are you a factory? What services do you provide?
‌A:‌ Yes. We are a manufacturer with over 20 years of experience in lithium battery solutions. We provide OEM/ODM services, covering design, assembly, testing, and quality control under ISO 9001:2015.
 
‌Q2:How do you ensure battery quality?
‌A:‌ All cells are 100% original from brands such as Samsung, LG, Panasonic, Molicel, Murata, and Lithium Werks. Each cell is tested and matched before assembly. Every finished pack is fully inspected before shipment.
 
‌Q3: Do you support custom battery packs?
‌A:‌ Yes. We customize voltage, capacity, casing, connectors, wiring, and BMS functions according to customer needs.
 
‌Q4: What information is needed for custom design?
‌A:‌Please provide:Required voltage & capacity
Continuous/peak discharge current
Size & weight limits
Application details (e.g., e-bike, robotics, medical)
Certification needs (UN38.3, CE, RoHS, UL, etc.)
Estimated order volume

Q5: What certifications do you have?
‌A:‌ ISO 9001:2015, CE, RoHS, CB, UN38.3, MSDS. We also support OEM packs with additional certifications if needed.
 
‌Q6: What is your lead time?
‌A:‌In-stock models: Ship within 2 business days after payment.
   Custom packs: Production takes about 10–15 days.
 
‌Q7: What is your MOQ?
‌A:‌ Standard packs: 50–100 units. Custom packs: 200–500 units depending on complexity. Samples available before bulk production.
 
Q8:  What payment methods are accepted?
A: T/T, Trade Assurance, and PayPal.
 
Q9: How do you ship the battery packs?
A:All shipments comply with UN38.3. Packaging is suitable for air and sea transport, with MSDS and test reports. Shipping terms: FOB, CIF, DDP.
 
Q10:What is your warranty policy?
A: Standard warranty: 12 months against manufacturing defects. Longer warranty optional.
 
Q11: Which industries use your batteries?
A: Our packs are widely used in:Robotics & AGVs
Medical devices
Consumer electronics
Power tools
E-bikes & scooters
UPS & backup power
Industrial equipment
Marine applications