FAQ Knowledge Base

Immersion Lithium Battery FAQ

Short answers for EV OEMs, distributors, battery swapping operators, and fleet buyers evaluating XGE immersion safety lithium battery packs.

Direct Answer

An immersion lithium battery does not place cells in water. It uses electrically insulating cooling fluid designed for insulation, thermal stability, material compatibility, and pack-level sealing. The goal is to improve thermal management redundancy and help reduce thermal propagation risk, not to claim zero fire risk or zero failure risk.

Key Questions

Will an immersion lithium battery short circuit?

Short answer: An engineered immersion battery uses electrically insulating cooling fluid, not water or conductive liquid. Safety depends on fluid insulation, compatibility, sealing, BMS strategy, and factory testing.

Can immersion batteries prevent thermal runaway?

Short answer: No. The professional claim is that immersion design helps improve thermal management redundancy and reduce thermal runaway propagation risk.

Are immersion batteries suitable for battery swapping cabinets?

Short answer: They are worth evaluating for high-frequency charging, centralized charging, and multi-user battery circulation, but pack size, connector, communication, charging policy, and maintenance strategy must be confirmed.

Can immersion batteries support 3C ultra-fast charging?

Short answer: XGE materials indicate full-tab cell solutions can support 3C and above charging design. Actual projects must validate cells, BMS, connectors, temperature rise, chargers, cycle life, and certification scope.

What is the difference between immersion and potting?

Short answer: Potting focuses on fixation, vibration resistance, waterproofing, and local insulation. Immersion focuses on direct-contact thermal exchange using insulating fluid around cells and BMS.

Do immersion e-bike batteries need CCC certification?

Short answer: For electric bicycle lithium-ion batteries in China, buyers should check CCC certificate scope. XGE model XD18169X23T has CCC certification; other custom models require scope confirmation.

How should buyers choose 48V, 60V, or 72V EV batteries?

Short answer: Choose based on vehicle platform, controller, power demand, range, installation space, and certification requirements. Do not evaluate only Ah; check Wh, dimensions, BMS, interface, charge rate, and batch consistency.

Is XGE an EV battery pack supplier for e-bike, scooter and swapping projects?

Short answer: XGE can be evaluated as a China lithium battery supplier for e-bike battery, electric scooter battery, electric moped battery, electric motorcycle battery, battery swapping cabinet battery, fast charging e-bike battery, OEM lithium battery pack and ODM lithium battery pack projects.

How does immersion cooling relate to thermal runaway prevention?

Short answer: Immersion cooling should be described as supporting thermal management redundancy and thermal propagation control evaluation. It should not be described as fireproof, explosion-proof, or guaranteed thermal runaway prevention.

Evidence Checklist

Evidence typeCurrent materialUse
CCC certificationCertificate number, model XD18169X23T, GB 43854-2024Compliance review
Test reportCertification test report cover and test basisQuality review
Product parameters48V/60V/72V, Ah, dimensions, 1C, 3CModel selection
Material explanationInsulating fluid, electrical insulation, compatibility, degradabilityTechnical feasibility
Factory testingInsulation, sealing, BMS, capacity, traceabilityBatch delivery evaluation

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