DC-Bus Capacitor Bank Refurbishment Kit for Growatt Residential Inverters and Compatible Clones
Complete DC-bus capacitor replacement kit for Growatt single-phase residential inverters (MIN 2500–6000 TL-XE series) and compatible clones. Contains 4× 450 V / 820 µF electrolytic capacitors rated 105 °C / 10,000-hour life, Nichicon or Rubycon brand (per availability); 10 Ω / 10 W pre-charge resistor to prevent inrush surge on DC connect; step-by-step phased pre-charge instruction sheet; ESR measurement clamp for quality verification pre-installation. Kit designed to resolve sudden shutdowns, OC Bus faults and grid noise caused by DC-bus capacitor capacity loss. Replacement recommended every 7–10 years or on detection of elevated ESR.
- capacitor_voltage
- 450 V
- capacitance
- 820 µF
- lifetime
- 10,000 hours at 105 °C
- brand
- Nichicon / Rubycon
- quantity
- 4 pieces per kit
- precharge_resistor
- 10 Ω / 10 W
- compatible_inverters
- Growatt MIN 2500–6000 TL-XE and compatible clones
- fault_codes_resolved
- OC Bus, sudden shutdown, grid noise
- replacement_interval
- Every 7–10 years or on high ESR reading
- includes
- Caps ×4, pre-charge resistor, ESR clamp, instruction sheet
For technical questions or availability, use Request repair or WhatsApp.
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How it works
Our 6-step repair process
From request to warranted delivery — transparent, fast, and trackable with your RB code.
-
Step 01
Submit request
Open a repair request online or coordinate intake; your unit is logged with an RB tracking code.
- Online request
- RB tracking code
- Fast intake
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Step 02
Inspection & diagnosis
Engineers run component-level diagnostics and share a clear condition report.
- Technical report
- Root-cause analysis
- Component-level diagnosis
-
Step 03
Cost approval
You receive a clear cost and turnaround estimate; work continues only after your approval.
- Transparent estimate
- Approve before repair
- Clear schedule
-
Step 04
Expert repair
Component-level repair with OEM-grade or verified parts — only failed parts are replaced.
- OEM-grade parts
- Component-level repair
- Specialist technicians
-
Step 05
Testing & QA
Functional and load testing confirm the repair before release.
- Functional test
- Load test
- QA sign-off
-
Step 06
Delivery with warranty
Packed and returned with work report, repair warranty, and online tracking.
- Repair warranty
- Delivery report
- Online tracking
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Typical first response: 24–72 hours · No fix, no charge
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