How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
Backup capacitor Addcap 820
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Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
Backup capacitor Addcap 820
Backup capacitor Addcap 820 is a professional Main Switch accessories item from JETI model s.r.o., prepared for the RC-MODEL catalog with customer-facing information, official product imagery, structured specifications and no storefront supplier pricing.
Recommended use
This product is relevant for RC builders and pilots looking for main switch accessories, replacement parts, upgrades or setup components. Use it when planning a new model build, maintaining an existing aircraft, boat or radio system, or comparing compatible electronic and power-system parts.
What to check before ordering
Confirm the physical dimensions, weight, voltage, current rating, connector style, shaft size, cell count, propeller range and installation space against your model. RC-MODEL can help verify compatibility when you provide the model name and part number.
Key details
- Max. input voltage: 59V
- Capacity: 820µF
- Dimensions: 60 x 19 x 18mm
- Weight: 13g
- Manufacturer: JETI model s.r.o.
- Product Type: Main Switch accessories
- SKU: 22985482
- EAN: 8595245910594
- MPN: J-AC-820
- Availability: In stock
Backup capacitor Addcap 820 Product description and features Capacitor to improve the power supply for low impedance drive systems. The backup capacitor should also be used if the cables between the battery and the regulator are extended by more than approx. 20cm (8in). Use a backup capacitor Addcap 820 per 20cm (8in) extension. Suitable for use on cables with 2.5 to 6mm- cross-section (AWG14 to AWG10). Delivery contents 1 Backup capacitor Addcap 820, various shrinking hoses and 1 sticker/type l
Reference SKU/model: J-AC-820. Mention this reference when contacting RC-MODEL for availability or fitment support.
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
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One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
Mandatory pre-flight checks for safer RC flying
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
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Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | JETI model s.r.o. |
| Product Type | Main Switch accessories |
| SKU | 22985482 |
| EAN | 8595245910594 |
| Availability | In stock |
| MPN | J-AC-820 |
| Max. input voltage | 59V |
| Dimensions | 60 x 19 x 18mm |
| Weight | 13g |
| Capacity | 820µF |
Tags: JETI model s.r.o., Backup capacitor Addcap 820, Engines & Power, ESCs & Speed Controls, Safety switches, Main Switch accessories