

Items | Specification |
Nominal Capacity | ≥31.5 Ah 0.33C |
≥30 Ah 1C | |
Nominal Voltage | 3.2v |
Voltage Range | 2.0v-3.65v /1.8v-3.65v |
Cell Weight | 615 g±18 g |
Weight Energy Density | ≥163 Wh/kg |
Volume Energy Density | ≥336 Wh/L |
ACR | 0.6 mΩ~1.2 mΩ |
DCR | ≤3mΩ |
Regular Charge (slow charge) | 15A 3.65V 1.5A 10ºC≤T<45ºC |
Charge Temperature Range | 0-55ºC |
Discharge Temperature Range | -30-60ºC |




High Energy Density: Innovative Structure for Larger Capacity
Ensured Consistency: Our state-of-the-art automation equipment delivers unparalleled cell consistency, setting a benchmark for excellence with every unit produced.
Stable Voltage Platform: Designed with low internal resistance, capable of high discharge rates, our cells provide a stable voltage platform ensuring unmatched performance.
Safe and Reliable: Utilizing Lithium Iron Phosphate, the epitome of safety among all lithium battery chemistries.


Standard Or Custom Packed As Modules At Various Voltage And Amp-hour For Versatile Applications
Perfect for UPS systems, power tools, golf carts, stationary batteries, telecom energy storage systems (ESS), special vehicles, electric boats, E-scooters, EVs, electric golf cars, and electric vacuum sweepers. Ideal choice for electronic toys, model airplanes, and remote controls.Specifically crafted for communication equipment such as cordless telephones, inter-phones, modality equipment, consumer electronics, decorative lighting, solar lamps, torches, emergency lights, solar street lights, and power supplies.

Quality Assurance & Shipping
Final Test Before Shipment
- Comprehensive Testing: Every product undergoes rigorous testing to ensure optimal performance before shipment.
- Quality Guarantee: We strive to deliver products that meet or exceed customer expectations.
Packing & Transport
- Robust Packaging: For batteries over 12kg, we use high-quality plywood boxes that have been thoroughly tested.
- Safe Shipping: Our packaging ensures safe transport via road, sea, or air.
- Cost Efficiency: To minimize shipping costs, we recommend starting with a minimum order of 1 pallet-ensuring both cost savings per unit and complete product protection.
Our products are rigorously tested and certified, ensuring compliance with international safety, health, and environmental standards, covering key markets in North America, Europe, Japan, Australia, and beyond.

SYLJ is a leading manufacturer of battery cells and packs, with expertise in Lithium-Ion (Li-ion), Lithium Iron Phosphate (LiFePO4), and custom battery solutions tailored for the modern portable device market. We proudly serve industries like medical, industrial (ITAR registered), transportation, instrumentation, utility/metering, RFID, robotics, and data acquisition.
With years of design and development excellence, we provide a seamless source for premium electronic products. Our commitment to exceptional customer care ensures we exceed expectations, building long-lasting partnerships.

Contact Us
For inquiries, custom solutions, or further details on our high-performance energy storage products, please reach out to our dedicated team. Join our growing network of satisfied customers and experience the innovation and quality that set us apart.
Question 1: Original manufacturer or trading company?
Answer:We arethe original manufacturer engaged in the develop, production, sale and service of LFP (LiFePO4) battery products and solutions, our factory is ISO9001 certified with an annual productionQuestion 2:Can you do OEM and ODM?
Answer: Absolutely. We offer custom label products, independent design in commercial and industrial ESS applications, along with our best pricing.
Question 3:How doesdifferentiate from other suppliers?
Answer: westands for innovation in bringing systematized energy products and solutions with a global vision; Backed by VCs and government; Fast-growing with an annual growing rate at 400%. Question
Question 5: Can you provide sample?
Answer: Sure, please contact our representative for arrangement.
Question 6:Why work with us? .
A fast-growing and dynamic company with vision and leadership; . Guaranteed quality and after service, with over 1GWh batteries in service worldwide; · Original manufacturer with strong research and development, ODM and OEM capability; · Complete LFP products line; · Trade Assurance protected.
Question 7:What are your main products?
Answer: LFP cells, LFP battery pack, LFP battery module, LFP battery cabinet, Telecom tower battery supply, Special vehicle power supply, Home energy storage system, Commercial energy storage system, Industrial energy storage system, Containerized energy storage system.