GRAPCHARGERON-BOARD CHARGING SYSTEMSContact Us

GRAPCHARGERON-BOARD CHARGING SYSTEMS

Company

About UsWho we are, the factory behind the product and the process that governs it.TechnologyTopologies, thermal design and the control strategy behind every platform.CooperationOEM, ODM and distribution models, from sample to series supply.InsightsEngineering notes, application guides and company news.FAQLead time, MOQ, certification, warranty and customisation questions.ContactSend a pack voltage and a target power — we reply with a proposal.

Solutions

GC-OBC-700W700 W · 12–72 V · IP66 GC-OBC-850W850 W · 24–72 V · IP67 GC-OBC-2KW2 kW · 48–320 V · CAN GC-OBC-3.3KW3.3 kW · 48–540 V GC-OBC-6.6KW6.6 kW · 48–560 V · IP67 GC-DCD-2KW2–3 kW · step-up to 320 V GC-DCD-1.5KW1.5 kW · 48–800 V in GC-INT-6.6KW-1.5KW6.6 kW OBC + 1.5 kW DC-DC GC-BID-6.6KW-2KW6.6 kW bidirectional + 2 kW GC-INT-3.3KW-1KW-PDU3.3 kW + 1 kW + PDU

Support

Documentation and DownloadsSpecification sheets, drawings and test reports for every model.TroubleshootingFault codes, CAN behaviour and the checks to run before an RMA.Algorithms, Charge Profiles and BatteryCC-CV profiles, pre-charge behaviour and BMS handshakes.Tips, Tricks and General InformationSizing, derating, thermal margins and installation notes.

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Standards

Standards & Compliance

IEC 62196 Compared: Type 2, CCS1, CCS2, GB/T, NACS and CHAdeMO
By 2026-10-132026-10-16

Six charging standards, three mutually incompatible. What each one is for, where it is used, and what it means for the inlet and coupler you specify.

Read More IEC 62196 Compared: Type 2, CCS1, CCS2, GB/T, NACS and CHAdeMO