Lithium Battery Manufacturer: Custom Battery Solutions for Global Buyers
Choosing the right lithium battery manufacturer determines whether your product ships on time, clears customs, and performs for years in the field. We are a China-based lithium battery manufacturer engineering LiFePO4 and NMC cells, custom lithium battery packs, and complete storage systems for distributors, OEMs, and system integrators across North America, Europe, and Southeast Asia. This page walks through our chemistry portfolio, cell formats, certifications, and OEM/ODM process so you can evaluate a supplier with hard facts rather than marketing claims.
Our Lithium Chemistry Portfolio: LiFePO4 vs NMC
The two chemistries we build most often serve different jobs. Lithium Iron Phosphate (LFP) trades some energy density for safety and cycle life; Nickel Manganese Cobalt (NMC) delivers higher energy density for weight-sensitive applications. The table below summarizes the trade-offs buyers actually care about when specifying a pack.
| Attribute | LiFePO4 (LFP) | NMC / NCA |
|---|---|---|
| Nominal cell voltage | 3.2 V | 3.6–3.7 V |
| Gravimetric energy density | 90–160 Wh/kg | 150–250 Wh/kg |
| Cycle life @ 80% DoD | 2,000–5,000 | 800–2,000 |
| Thermal runaway onset | ~270 °C | ~150–210 °C |
| Best-fit applications | ESS, solar, marine, industrial | EV, e-mobility, portable |
| Relative cell cost | Lower | Higher |
For stationary storage and demanding duty cycles, LFP is usually the safer, longer-lived choice. For applications where every kilogram matters, NMC earns its premium. Picking the chemistry during the design phase — not after a field failure — is the single biggest lever on total cost of ownership.
Cell Formats and Custom Pack Assembly
We manufacture and integrate the full range of commercial formats so the pack drops into your enclosure without redesign:
- 18650 & 21700 cylindrical — proven, serviceable, ideal for power tools and modular battery packs.
- Prismatic cells — high capacity with rigid aluminum casing, common in energy storage and electric vehicles.
- Pouch cells — ultra-thin, flexible footprint for space-constrained consumer and medical devices.
Every pack leaves the line with a matched battery management system (BMS) handling cell balancing, over-current, over-temperature, and short-circuit protection. Communication (CANBus, RS485, or UART) is selected to match your inverter or host controller.
Certifications Buyers Must Verify Before Importing
Compliance is not optional for cross-border lithium shipments. At minimum, a credible manufacturer should hold and share current test reports for the following:
| Certification | Scope | Why it matters |
|---|---|---|
| UN38.3 | Transport of dangerous goods (air, sea, road) | Mandatory to ship cells and batteries legally |
| CE | European Economic Area | Market access for EU buyers |
| UL 1642 / UL 1973 | Cell & stationary storage safety (US) | Required by many North American installers |
| IEC 62133 | Portable cell safety | Global benchmark for portable devices |
| RoHS / REACH | Restricted substances (EU) | Environmental compliance |
We keep reports from accredited laboratories and can share them under NDA during sourcing. The transport framework itself is defined by the UN Model Regulations; see the UNECE dangerous goods program for the official requirements.
OEM/ODM and Custom Lithium Battery Pack Capability
Most of our volume is custom. The typical development path is:
- Specification — share voltage, capacity, dimensions, peak discharge, and operating environment.
- Prototype — we build and cycle-test 2–5 samples, usually within 2–4 weeks.
- Validation — UN38.3, electrical, and abuse testing against your target market.
- Mass production — MOQ from 500 packs for standard formats; lead time 4–8 weeks depending on cell sourcing.
Our engineers own mechanical enclosure, BMS topology, and thermal design, so the finished pack integrates cleanly into your product and your certification file.
Applications We Serve
Our packs power solar storage, e-mobility and light electric vehicles, telecom backup, marine and RV systems, medical devices, and industrial equipment. Each vertical carries its own certification and duty-cycle demands, and we tune cell chemistry and BMS parameters accordingly rather than shipping a one-size-fits-all block.
Why Source From a China Lithium Battery Manufacturer
China produces the majority of the world’s lithium cells and holds the deepest supply chain for cathodes, separators, and battery management systems. Sourcing here typically means 20–40% lower cell cost than equivalent Western-built packs, faster iteration on custom designs, and direct access to gigafactory-scale capacity. Public bodies such as the U.S. Department of Energy’s Vehicle Technologies Office and NREL publish ongoing battery cost and performance benchmarks that frame these advantages for procurement teams.
Frequently Asked Questions
What certifications does a lithium battery need for export?
At minimum UN38.3 for transport, plus market-specific marks: CE for Europe, UL 1642/1973 for many US applications, and IEC 62133 for portable devices. RoHS and REACH cover substance restrictions in the EU.
How long does a custom lithium battery pack take to develop?
Prototype in 2–4 weeks, validation another 2–3 weeks, then mass production 4–8 weeks after sign-off. Rush programs are possible with committed volume.
LiFePO4 or NMC — which should I specify?
Choose LFP for stationary storage, solar, marine, and long-life industrial use where safety and cycle life dominate. Choose NMC when energy density and weight drive the design, such as EVs and portable high-power devices.
What is a typical MOQ for custom packs?
Standard cylindrical and prismatic formats start around 500 packs; fully bespoke enclosures may require higher commitment. Unit pricing improves sharply above 5,000 units.
How do I verify a manufacturer is legitimate?
Request business licenses, factory walkthrough video, references from existing export clients, valid certifications naming the testing lab, and a sample under NDA. A credible lithium battery manufacturer answers these without hesitation.
Written by Karl at China Battery Technology. Request a quote.