Xantrex TRUECharge2 20A Battery Charger - 24V
Xantrex TRUECharge2 20A Battery Charger - 24V Product Description
Why the Xantrex TRUECharge2 20A 24V Charger Stands Out for Marine and RV Enthusiasts
Imagine powering up your boat's deep-cycle batteries after a long day on the water, or ensuring your RV's electrical system is ready for the next adventure without a hitch. The Xantrex TRUECharge2 20A 24V battery charger (model 804-2420) is engineered for exactly those demanding scenarios. Unlike basic chargers that might overheat or fail under variable power conditions, this unit thrives in marine environments, commercial fleets, and off-grid setups. Its compact footprint—measuring just 9.8 inches long, 6.7 inches wide, and 2.8 inches high—fits seamlessly into tight spaces like engine compartments or battery bays.
What sets it apart is the intelligent, microprocessor-controlled multistage charging that adapts to your battery's needs, delivering precise power without waste. Supporting three independent banks, it keeps multiple batteries topped off simultaneously, ideal for systems with house, starter, and thruster batteries on a yacht or work truck.
Advanced Charging Technology for Longer Battery Life
This charger's power factor corrected design ensures efficient energy use, pulling from a wide input range of 90-265V AC—perfect for generators, shore power, or unstable grids worldwide. Temperature-compensated charging adjusts output based on ambient conditions, preventing under- or over-charging that shortens battery lifespan.
- Three-Stage Charging Cycle: Bulk, absorption, and float stages optimize recovery, even for deeply discharged batteries.
- Battery Equalization: Balances cells in flooded batteries to maximize capacity and prevent sulfation.
- Universal Compatibility: Custom settings for flooded, gel, AGM, or calcium lead-acid batteries ensure safe, tailored performance.
Users in salty coastal areas rave about its drip-proof construction, allowing flexible mounting orientations without worry. Low electromagnetic interference means it won't disrupt sensitive electronics like fish finders or navigation systems.
Robust Protection Features for Peace of Mind
Safety isn't an afterthought—it's built-in. Reverse battery polarity protection guards against common wiring mishaps, while over/under-temperature shutdowns keep things cool during hot engine runs or cold storage. DC over-voltage and battery overcharge safeguards extend hardware longevity in rugged applications.
For marine pros, the ignition-protected design complies with strict standards, making it suitable for gasoline engine rooms. Pair it with the optional remote panel for monitoring from the helm, or stack units in parallel to boost output to 40A when demands spike.
Effortless Installation and Real-World Reliability
Getting it up and running is straightforward, thanks to accessible AC and DC terminals tucked away for clean wiring. No need for specialized tools—just secure mounts, connect, and select your battery type via the intuitive display. Boaters report charging 24V banks from gunked-up plates back to full in hours, not days.
In commercial trucking or solar-hybrid vans, its ability to handle "dead" batteries saves downtime. Compact and lightweight, it weighs in under control, easing retrofits on older vessels or vehicles.
Perfect Fit for Your Power Needs
Whether you're outfitting a fishing charter, overlanding rig, or backup power station, this 20A charger's versatility shines. It revives weary batteries faster than competitors, thanks to high-efficiency algorithms honed from years of field testing. Expect fewer replacements and more reliable starts every time.
Frequently Asked Questions
What types of 24V batteries is the Xantrex TRUECharge2 20A compatible with?
It supports flooded, gel, AGM, and calcium lead-acid batteries, with selectable settings for each type to ensure optimal charging.
Can this charger handle multiple battery banks?
Yes, it charges three independent banks simultaneously, making it ideal for complex systems like marine house and engine batteries.
Is the charger suitable for marine installations?
Absolutely—its drip-proof design, ignition protection, and flexible mounting options make it perfect for boats and engine rooms.
What input voltage range does it accept?
It works with 90-265V AC input (47-63 Hz), compatible with generators, shore power, and global outlets.
Does it protect against common installation errors?
Yes, featuring reverse polarity protection, over-temperature safeguards, DC over-voltage prevention, and battery overcharge protection.
Can I monitor or expand the charger's capabilities remotely?
An optional remote panel allows monitoring and enables parallel stacking to double output current up to 40A.
How does temperature compensation work?
It adjusts charging voltage based on battery temperature (via optional sensor), preventing damage in extreme heat or cold.
TRUECharge2 battery chargers are highly versatile and can be mounted in multiple positions, thanks to their inherent drip-free design characteristics. TRUECharge2 delivers outstanding low electrical interference, coupled with efficient, power factor corrected, multistage charging capability. Installation is a breeze, thanks to the easy-access AC and DC wiring compartments. The easy-to-read display can be augmented with an optional remote panel.
Xantrex 8042420 Attributes
- Number Of Banks: 3
- Application: 24 Volt AGM/ Flooded/ Gel/ Calcium Lead-Acid Batteries
- Output Voltage: 24 Volt
- Input Voltage: 90 To 265 Volt
- Ampere Rating: 20 Amp Charging
- Number Of Stages: 3 Stage
- Universality: Fully Universal
- Length (IN): 9.8 Inch
- Width (IN): 6.7 Inch
- Height (IN): 2.8 Inch
Xantrex 8042420 Features & Benefits
- Reverse Battery Polarity Protection
- Drip-Proof Design
- Over And Under-Temperature Protection
- DC Over-Voltage Protection
- Battery Overcharging Protection
- Microprocessor-Controlled, Multistage Charging Algorithms
- Settings For Flooded, Gel, AGM Or Lead-Calcium Batteries
- Power Factor Corrected, Temperature-Compensated Charging
- Battery-Equalization Feature
- Limited 2 Year Warranty
Xantrex 8042420 Installation Instructions
Xantrex 8042420 Warranties
Xantrex 8042420 Technical Bulletins
TRUECharge2 Battery Charger
804-2420
20 Amp - 90-265 Vac / 47-63 Hz
AMP-IT-UP! NEW 24-Volt Universal Chargers
Building on the success of the TRUECharge2 12-volt battery chargers, Xantrex now offers 24-volt battery chargers designed to meet the specific needs of marine and commercial markets. Available in 10A, 20A and 30A versions, each model packs a powerful universal charger (90-240Vac, 47-63 Hz) in an ultra-compact, lightweight package.
Product Description
TRUECharge2 battery chargers are highly versatile and can be mounted in multiple positions, thanks to their inherent drip-free design characteristics. TRUECharge2 delivers outstanding low electrical interference, coupled with efficient, power factor corrected, multistage charging capability. Installation is a breeze, thanks to the easy-access AC and DC wiring compartments. The easy-to-read display can be augmented with an optional remote panel.
NEW PARALLEL FEATURE
TRUECharge2 24-volt chargers are available with parallel stacking feature which allows you to double the output current when used with the optional REMOTE PANEL (part #808-8040-01).
Performance Features
- 24-volt models available in 10A, 20A and 30A
- Microprocessor-controlled, multistage charging algorithms
- Settings for two and three-stage charging
- Settings for flooded, gel, AGM or lead-calcium batteries
- Auto-ranging universal input voltage (90-265 Vac, 47-63 Hz) is also compatible with a generator or other low-quality power sources
- Power factor corrected, temperature-compensated charging
- Battery-equalization feature
- Ability to charge batteries drained to extremely low voltage
- Optional Battery Temperature Sensor (Part #808-0232-01)
- Optional Remote Panel (#808-8040-01)
Protection Features
- Reverse battery polarity protection
- Drip-proof design
- Over and under-temperature protection
- DC over-voltage protection
- Battery overcharging protection
WARNING: This product can expose you to chemicals including Diisononyl Phthalate (DINP) which is known to the State of California to cause cancer, and Di-isodecyl Phthalate (DIDP) which is known to the State of California to cause reproductive harm. For more information go to P65Warnings.ca.gov.
The new 24V universal charger is based on the successful experience of the TRUECharge2 12V battery charger. Xantrex now offers 24V battery chargers designed to meet the needs of specific applications.
Xantrex TRUECharge2 20A Battery Charger - 24V Related Products
Xantrex TRUECHARGE2 Remote Panel f/20 & 40 & 60 AMP (Only for 2nd generation of TC2 chargers)Frequently Asked Questions (FAQ) About Xantrex TRUECharge2 20A Battery Charger - 24V
Who is the Xantrex?How to describe Xantrex TRUECharge2 20A Battery Charger - 24V?
What is the warranty policy for Xantrex TRUECharge2 20A Battery Charger - 24V?
What is the working voltage of the product?
What is the type of the product?
Is this product portable?
How many banks can charge this product?
What is the product amperage?
What is the output voltage?
Is this product is ISO approved?
How many banks supporting for charge?
What is the input voltage?
What is the output voltage?
What is the compatibility of this product?
Who is the Xantrex?
How to describe Xantrex TRUECharge2 20A Battery Charger - 24V?
What is the warranty policy for Xantrex TRUECharge2 20A Battery Charger - 24V?
What is the working voltage of the product?
12 Volts DC
What is the type of the product?
Is this product portable?
How many banks can charge this product?
What is the product amperage?
What is the output voltage?
Is this product is ISO approved?
FCC Class B
How many banks supporting for charge?
What is the input voltage?
What is the output voltage?
What is the compatibility of this product?
Gel
AGM
Save $194 when you buy the Xantrex TRUECharge2 20A Battery Charger - 24V for only $550 from NVN Marine! Same day shipping before 3pm.
Xantrex TRUECharge2 20A Battery Charger - 24V Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Xantrex |
| Weight: |
6.6 lb |
| Charger Output - Amps: |
20a |
| Charging Banks: |
3 |
| Portable: |
No |
| Charger Input - Voltage: |
120/240v |
| Charger Output Voltage: |
24v |
| User Guide: | |
| Product Manual: | |
| Product Brochure: |
Xantrex TRUECharge2 20A Battery Charger - 24V User Reviews
Xantrex TRUECharge2 20A Battery Charger - 24V Shipping & Return
| Shipping Weight: |
6.6 lb |
|---|---|
| Box Sizes: |
6.00 (h) x 11.00 (w) x 13.00 (l) |
| Cubic Feet: |
858.0 |
| Returnable: |
Yes |
| P65: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.




