About Us 

Who We Are

OneAndes is a comprehensive global supplier of high-performance batteries, custom power packs, smart chargers, and battery accessories. We serve electronics enthusiasts, DIY creators, engineers, and businesses who demand reliable, safe, and compliant energy solutions. From a single cell to a complete energy storage system, we are your one-stop power partner.

Our Operations

We are headquartered in Shenzhen, China, with a dedicated fulfillment center in Longgang District. To serve our North American customers better, we maintain a return and processing facility in Rancho Cucamonga, California, ensuring a smooth local experience.

Our Specialized Product Lines

Our catalog is built around a deep expertise in battery technology. We offer an extensive range of products across multiple chemistries and form factors:

  • Cylindrical Batteries: A vast selection including 18650, 21700, 20700, 26650, 26350, 18350, 16340 (RCR123), 14500, 10440, and more. We stock High Capacity, High Drain, Protected, and LiFePO4 (3.2V) variants, as well as bulk and wholesale options.

  • AA/AAA & Specialty Batteries: Rechargeable 1.2V and 1.5V AA/AAA, Alkaline AA/AAA, and Rechargeable D Cells.

  • Battery Packs & Modules: Custom and ready-to-use packs for serious power needs:

    • Li-ion (NMC) Packs: 3.7V to 48V configurations (including 12V, 24V, 36V).

    • LiFePO4 Packs & Modules: 3.2V to 48V+ (including High-Voltage >48V options).

    • Ni-CD / Ni-MH Packs: 2.4V to 24V configurations.

  • Prismatic LiFePO4 Batteries: High-capacity cells ranging from 25Ah to 305Ah+, ideal for energy storage and industrial applications.

  • Chargers: A complete charging ecosystem:

    • Universal Multi-Chemistry Chargers (for Li-ion, LiFePO4, NiMH/NiCd).

    • Cell Chargers: For 10440 to 26650 Li-ion, 16340 LiFePO4, and 1.2V/1.5V AA/AAA/C/D/SC sizes.

    • Pack Chargers: 2S to 40S configurations for Li-ion (up to 126V) and LiFePO4 (up to 146V) battery packs.

  • Other Batteries & Storage: Polymer Li-ion, Coin/Button cells, 9V rechargeables, and Portable Energy Storage Power Stations.

  • Battery Accessories: Everything you need for assembly and maintenance, including Cases, Wraps, Holders, Testers/IR Meters, Nickel Strips, Contacts/Springs, PCM/BMS Protection Modules, Spot Welders, and Charging Cables & Adapters.

Our Commitment to Safety & Compliance

As a supplier of Class 9 Dangerous Goods (Lithium-ion batteries), safety is our highest priority. All our shipments are prepared in strict compliance with IATA, IMDG, and DOT hazardous materials regulations. Our trained team uses UN-specification packaging to ensure that every battery arrives safely and legally.

Why Choose OneAndes?

  • Deep Expertise: We specialize in cylindrical battery technology, complex pack assembly, and multi-chemistry charging solutions.

  • Unmatched Product Range: From button cells to 300Ah+ prismatic cells, and from single batteries to complete power stations.

  • Compliant & Safe Shipping: We handle dangerous goods professionally and legally, with a US-based return facility for peace of mind.

  • Customer-Focused: We offer clear policies, wholesale pricing, and a reliable US return process.

Contact Us

Email: support@oneandes.com

Phone: (213) 316-8849

Operations Address: 303, 3rd Floor, 2002 Banxuegang Avenue, Yangmei Community, Bantian Street, Longgang District, Shenzhen, China

US Returns Address: 10320 6th St, Rancho Cucamonga, CA 91730, USA

OneAndes – The Core Energy Partner for Your Passion.