Lithium Battery Types

Our company focuses on the development of high energy density, ultra-long cycle life, and high-rate customized lithium-ion batteries. Our products serve a wide range of industries, including consumer electronics, healthcare, military, and energy storage. Below is an introduction to our products.
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Custom Lithium Battery

Lithium Ion Battery Types At iRayenergy

Pouch prismatic Battery

High Energy Density

Irayenergy’s batteries offer a volumetric energy density of 550–650 Wh/L and a gravimetric energy density of 200–300 Wh/kg.

Low Self-Discharge Rate

Under normal temperature storage, the full-charge voltage drop is ≤ 4 mV/day (0.17 mV/h), and the half-charge voltage drop is ≤ 2 mV/day (0.083 mV/h).

Long Cycle Life

For conventional lithium cobalt oxide or NCM systems, capacity retention exceeds 80% after 500 cycles at 0.2C charge/discharge.

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Special Battery

Lightweight

Depending on size, single-cell weight can be controlled from 1g to 100kg.

Customizable Size

Irayenergy can tailor battery dimensions to match the shape and size of the customer’s battery compartment. Ultra-thin, ultra-narrow, oval, and curved batteries are all customizable.

Low Internal Resistance

For a 1000mAh cell, ~30mΩ for standard capacity types; below 10mΩ for high-rate designs with multi-tab winding or stacking.

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Cylindrical lithium polymer battery

Fast Charging Support

Custom 3C–5C fast-charge batteries available — 5 minutes of charging provides up to 30 minutes of usage.

High Discharge Rate

Batteries support continuous discharge from 3C to 30C.

Excellent Consistency

For a 1000mAh cell: capacity tolerance ±20mAh, voltage ±25mV, resistance ±4mΩ, width tolerance ±0.4mm, height tolerance ±0.3mm; thickness tolerance varies by specification.

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Power Battery Pack

Wide Operating Temperature

Wide-temperature batteries available for use between –30℃ and 50℃.

Wide Operating Temperature

Wide-temperature batteries available for use between –30℃ and 50℃.

Support for Series and Parallel Configurations

Supports combining multiple cells in parallel or series to increase the voltage or capacity of the battery pack, meeting the requirements of different products.

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FAQs

Can the battery be customized based on our product requirements?

Yes, we can. Our dedicated R&D engineers will work closely with you to understand the details of your product, including operating environment, usage characteristics, required battery dimensions, capacity, and voltage. Based on this information, we will provide a tailored battery solution.

Yes, samples are available. For in-stock samples, we can ship them within 1–3 days. For customized samples, production takes about 10–15 days (shipping time not included).
For in-stock batteries, there is no MOQ — we can supply any quantity you need. Production lead time for in-stock models is typically 3–7 days, depending on the order quantity. For custom batteries without stock, the MOQ is 1000 units, and the production lead time is 25–30 days.
Yes, we can assist in providing the certification reports you require.
Each battery we produce undergoes aging tests, capacity grading, and K-value testing. Every batch of graded cells is also submitted for a full range of tests, including electrical performance, safety, and storage reliability. All shipped batteries come with a one-year warranty. For any issues beyond the warranty period, our dedicated after-sales engineers will assist customers in resolving the problem.
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