--- product_id: 595098746 title: "WF-9855 55 Amp Deck Mount Charger/Converter Replacement for RV Trailer Camper 9800 Series" brand: "usskyboy" price: "S$197" currency: SGD in_stock: true category: "Usskyboy" url: https://www.desertcart.sg/products/595098746-wf-9855-55-amp-deck-mount-charger-converter-replacement-rv store_origin: SG region: Singapore --- # 55 Amps clean DC power Whisper-quiet fan operation 3-stage automatic battery charging WF-9855 55 Amp Deck Mount Charger/Converter Replacement for RV Trailer Camper 9800 Series **Brand:** usskyboy **Price:** S$197 **Availability:** ✅ In Stock ## Summary > ⚡ Power up your RV life with silent, smart energy! ## Quick Answers - **What is this?** WF-9855 55 Amp Deck Mount Charger/Converter Replacement for RV Trailer Camper 9800 Series by usskyboy - **How much does it cost?** S$197 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/595098746-wf-9855-55-amp-deck-mount-charger-converter-replacement-rv) ## Best For - usskyboy enthusiasts ## Why This Product - Trusted usskyboy brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug-and-Play Versatility:** Seamlessly replaces your 9800 Series charger/converter without the hassle of full unit swaps. - • **Silent Efficiency at Its Best:** Cooling fan activates only when needed, ensuring noise-free operation during your travels. - • **Extend Battery Life Like a Pro:** Three-stage charging optimizes battery health for longer-lasting power on the road. - • **Smart Safety for Peace of Mind:** Automatic current limiting protects against overloads and short circuits, safeguarding your gear. - • **Power Your Adventures with Confidence:** Delivers a robust 55 Amp output to keep all your RV electronics running flawlessly. ## Overview The WF-9855 55 Amp Deck Mount Charger/Converter by USSKYBOY is a high-performance, UL/ETL/CE certified power solution designed specifically for RVs and trailers. It delivers clean 12V DC power with a pure sine wave output, features automatic three-stage battery charging to extend battery life, and includes smart safety mechanisms like overload and short-circuit protection. Its whisper-quiet fan and easy deck-mount installation make it an ideal, reliable upgrade or replacement for the 9800 Series, ensuring your mobile lifestyle stays powered and hassle-free. ## Description desertcart.com: WF-9855 55 Amp Deck Mount Charger/Converter with Lithium-Ion Switch Replacement for RV Trailer Camper 9800 Series : Automotive ## Features - 【Wide Application】 The WF-9855 (55 Amp) Deck Mount Charger/Converter is versatile, advanced power source solutions, excellent replacement part for RV Trailer Camper 9800 Series. Easy to use, the WF-9855 converter provides a convenient, cheaper, long-term option that eliminates the hassle of swapping out a whole unit. With versatility like this, it’s ideal for use in a wide array of recreational vehicles. - 【Excellent Performance】 The WF-9855 model provides 55 Amps of clean, reliable DC power, which is ideal for powering electronics and appliances. The 9800 Series provides clean power, even without filtering from a battery. - 【Advantage】The WF-9855 55 amp power converter does not cause interference with televisions, radios, or other signals. Electronic current limiting automatically shuts down the power during overload or short-circuit conditions. Quiet operation is assured as the cooling fan runs only when needed. - 【Safety and Durability】 Automatic three-stage battery charging maintains your battery’s life with three nominal voltage output modes. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CMH1QKXQ | | Antenna Location | Vehicle | | Best Sellers Rank | #42,078 in Automotive ( See Top 100 in Automotive ) #15 in RV Power Converters #272 in Power Converters | | Brand | USSKYBOY | | Color | Silver | | Customer Reviews | 4.3 4.3 out of 5 stars (281) | | Electrical Output Waveform | Pure Sine Wave | | Energy Specifications Met | UL, ETL, CE | | Input Voltage | 130 volts | | Inverter Capacity Volt-Amp | 660 | | Item Dimensions L x W x H | 10.1"L x 6.2"W x 4.3"H | | Item Type Name | Charger/Converter | | Manufacturer | USSKYBOY | | Mfr Part Number | 9855 | | Model Name | WF-9855-3 | | Model Number | WF-9855-5 | | Number of Items | 1 | | Number of Outlets | 1 | | Number of Packs | 1 | | Output Voltage | 12 volts_of_direct_current | | Peak Output Power Watts | 660 | | Power Source | Battery Powered | | Standby Power Shutoff | 100% | | Warranty Description | 1 year | | Wattage | 24 watts | ## Product Details - **Brand:** USSKYBOY - **Model Name:** WF-9855-3 - **Power Source:** Battery Powered - **Recommended Uses For Product:** Vehicle - **Wattage:** 24 watts ## Images ![WF-9855 55 Amp Deck Mount Charger/Converter Replacement for RV Trailer Camper 9800 Series - Image 1](https://m.media-amazon.com/images/I/71WH7vdwXFL.jpg) ## Frequently Bought Together - WF-9855 55 Amp Deck Mount Charger/Converter with Lithium-Ion Switch Replacement for RV Trailer Camper 9800 Series - POWSAF 50amp Surge Protector for rv Accessories RV Voltage Protector/Monitor with Surge Protection(4100 Joules), Designed with Easy to Use Handles, ETL Listed, Black --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/595098746-wf-9855-55-amp-deck-mount-charger-converter-replacement-rv](https://www.desertcart.sg/products/595098746-wf-9855-55-amp-deck-mount-charger-converter-replacement-rv) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-08*