KickAss Flexicharge 12V 50A ACDC Smart Battery Charger For Lead Acid, AGM & Lithium Batteries + Integrated Bluetooth
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View bundle deals →Powerful, smart, and built for serious setups, the KickAss Flexicharge 50A ACDC Battery Charger delivers rapid charging for lithium, AGM, and lead-acid batteries. Ideal for fast-charging high-capacity batteries like the KickAss Ultra-X 230Ah range, it offers adjustable output, Bluetooth control, and intelligent multi-stage protection for safe, efficient power anywhere.
Pickup available at Acacia Ridge Store
Usually ready in 1 hour
1 Year Warranty
This product is covered by a 1 Year Limited Warranty.
Description
The KickAss Flexicharge 12V 50A ACDC Smart Battery Charger is built for serious off-grid, touring, and workshop setups. Engineered for fast charging high-capacity batteries like the KickAss Ultra-X range, it delivers powerful performance, intelligent control, and flexibility across multiple battery types – keeping your system running reliably on the road, on-site, or on shore power.
Fast, Controlled 50A Charging
Delivering up to 50 amps of output, this charger rapidly restores power to large lithium batteries and high-capacity systems. Capable of recharging a 200Ah lithium battery in as little as four hours, it’s engineered for serious power users who need their batteries charged efficiently and safely.
Fully Adjustable Output
Choose from 50A, 32A, 16A, or 4A charging modes to suit your setup. Whether you’re maintaining a small vehicle’s starter battery or powering a large lithium bank, this charger gives you precise control to ensure optimal performance and battery longevity.
Smart Bluetooth Control
Monitor and manage your charging system directly from your smartphone. With built-in Bluetooth connectivity, you can set battery type, adjust charge parameters, and view live voltage, current, and system status – all without touching the charger.
Multi-Chemistry Compatibility
Designed for total flexibility, this charger supports Lead Acid, AGM, Gel, Calcium, and Lithium batteries. It automatically applies the correct charging profile for each chemistry, ensuring the right balance of speed, safety, and battery protection.
Integrated Vehicle Diagnostics
Doubles as a diagnostic tool, checking alternator output, starter battery health, and cranking performance. Instantly identify weak points in your vehicle’s electrical system before they become roadside problems.
Dynamic Battery Maintenance
Once your battery reaches full charge, the charger switches to intelligent maintenance mode, monitoring voltage and applying a top-up only when needed. This prevents overcharging and keeps your system fully charged and ready.
Advanced Multi-Stage Charging
The smart 3-stage algorithm – bulk, absorption, and float – ensures fast, safe, and complete charging. Throughout the process, voltage and current are constantly monitored to deliver precision control, maximise efficiency, and extend battery life.
Intelligent Cooling & Quiet Mode
Temperature-controlled fans automatically adjust speed for efficient cooling with minimal noise. Activate Quiet Mode to further reduce fan operation and output current – ideal for overnight use or low-noise environments.
Simple Plug & Play Setup
With Anderson-style DC output and IEC AC input, installation is fast and flexible. Use the supplied Anderson-to-ring terminal cable for fixed installs or optional alligator clips for portable use, giving you connection options for any charging scenario.
Lithium Recovery & Starter Battery Replacement Mode
Includes a recovery function to safely revive lithium batteries that have entered low-voltage protection mode. It also operates as a regulated 12V DC power supply, for maintaining system voltage during battery replacement to avoid ECU resets or data loss.
EV and Hybrid Inverter Enabled Dual Battery Charger
Utilise the inverter in your EV, Hybrid or mild hybrid vehicle to charge our dual battery system through the 50A Smart AC Charger. Simply connect the charger input to the inverter output in the vehicle and you’ve got a plug-and-play dual battery system.
Clear LCD Display & Status Indicators
Stay informed with the integrated LCD screen, showing live voltage, current, and charge stage data. A status LED provides at-a-glance confirmation of charger operation and progress.
Built-In Protection & AGM Reconditioning
The Charge Guard system includes reverse polarity, short circuit, over-voltage, over-temperature, and over-current protection to safeguard your gear. Plus, an AGM Recondition Mode helps restore ageing AGM batteries by dissolving sulphate buildup and recovering lost capacity.
Specifications
| Input Voltage | 230Vac ±10% |
| Output Voltage | 12V Nominal |
| Output Current | 50A, 32A, 16A, 4A |
| Battery Chemisty | AGM, STD, GEL, LiFePO4 |
| Maximum Input Power | 900W |
| Standby Power | ≤5W |
| Effeciency | ≥85% |
| Dimensions | 87 x 232 x 338mm |
| Wieght | 3.05Kg |
| Certifications | IEC60335-1 ,IEC60335-2-29, CISPR 14, AS/NZS 4268 |
User Manual and Support
KickAss has warehouses located on both the East and West Coast of Australia. Express orders are dispatched same business day if ordered before 12pm AEST. Standard orders are dispatched within 2-3 business days. Deliveries are made during business hours, Monday to Friday.
At KickAss, we take full control of our product journey - from concept to creation - by designing, engineering, and manufacturing our own batteries and 12V accessories in our wholly owned facilities located in Australia, China, and the USA. This end-to-end approach allows us to maintain strict quality standards, drive innovation, and deliver unbeatable value. By owning our production facilities, we ensure every product that carries the KickAss name is built tough, tested rigorously, and ready for off-grid adventure.
Change your mind? No worries, our quick & easy online or in-store returns process has you covered. Learn more.
BUNDLE BLITZ ENDS SUNDAY!!!
High capacity lithium power bundle featuring a 205Ah battery box, 50A smart AC charger and mounting tray for fast charging and secure setup.
Complete high capacity dual battery kit featuring a 205Ah lithium battery box, 2000W inverter, AC charger, tray and plug and play wiring.
Smart 50A Battery Charger
Adjustable Charge Current
Bluetooth Monitoring & Control
Multi-Chemistry Charging
Integrated Vehicle Diagnostics - Alternator and Starter Battery Health Check
Dynamic Battery Maintenance
Intelligent Multi-Stage Charging
Intelligent – and Quiet – Cooling Fans
Plug & Play Connection
Lithium Recovery Mode
Starter Battery Replacement Mode
On Board LCD
Charge Guard Protection
AGM Reconditioning Mode
What’s Included:
- 1 x 50A Smart ACDC Charger
- 1 x AC Input Cable
- 1 x Anderson to Ring Terminal Cable – 80cm
- 1 x Pair Alligator Clips, Compatible with Anderson & Ring Terminal Cable
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