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ABOK 500W Alternator Charger (Fast DC-to-DC) | For 95% Solar Generators/Power Stations, RV/Road Trips

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Key item features

【‌Wide Compatibility】Auto-detects 12V/24V RV battery + manual Mode Ⅰ/Ⅱ switching; activates only when vehicle starts (no battery drain). 7-Layer Safety: Input over/under-voltage, output over-current/short-circuit, temp protection & reverse polarity guard—full security for devices. 500W Fast Charge (600W Peak): Refills 1kWh in 2.2 hours via stable 48V DC output—ideal for on-the-go top-ups. Easy Off-Grid Control: Physical buttons for power/mode switching + LED indicators (working/fault/charging status). Extreme Durability: Operates in -10°C to 45°C; ultra-low standby power (no stealth battery drain during long parking). Lightweight & Compact: ~2.4 lbs, 7×4.9×2.6 inches—easy to install in RVs or carry for off-grid adventures.
【7-Layer Safety】Input over/under-voltage, output over-current/short-circuit, temp protection & reverse polarity guard—full security for devices.
【500W Fast Charge (600W Peak)】Refills 1kWh in 2.2 hours via stable 48V DC output—ideal for on-the-go top-ups.
【Easy Off-Grid Control】Physical buttons for power/mode switching + LED indicators (working/fault/charging status).
【Extreme Durability】Operates in -10°C to 45°C; ultra-low standby power (no stealth battery drain during long parking).
【Lightweight & Compact】 ~2.4 lbs, 7×4.9×2.6 inches—easy to install in RVs or carry for off-grid adventures.

Specs

Battery capacity
0 mAh
Continuous wattage
500 W
Surge wattage
500 W
Run time
0 h
Recharge time
80mins
Battery charge cycles
4000+ Life Cycles to 80%

Current price is Now $199.00

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was $299.00

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Product details

ABOK 500W Alternator Charger – Fast, Safe & RV-Ready

Wide Voltage Compatibility with Smart & Manual Modes

The ABOK 500W Alternator Charger automatically detects your RV battery voltage (12V/24V) and switches accordingly. It also supports manual Mode I/II selection to match different vehicle alternator types. For added protection, the charger activates only after your vehicle starts—ensuring zero battery drain when the engine is off.

Comprehensive 7-Layer Safety Protection

Equipped with advanced safeguards, the ABOK DC-DC Battery Charger provides full protection against input under/over-voltage, output over-current and short-circuit, over/under-temperature, and reverse polarity—ensuring safe operation in all scenarios.

500W Rated Power, 600W Peak – 1kWh in 2.2 Hours

Delivering a stable 48V DC output, this charger offers 500W continuous power and up to 600W peak. It can recharge a 1kWh portable power station in just 2.2 hours—ideal for fast charging on road trips or daily commutes.

Local Control with Buttons & LED Indicators

Physical buttons allow easy power on/off and mode switching, while LED indicators show real-time working, charging, and fault status.

Durable in Extreme Temperatures

Designed for outdoor reliability, the ABOK 500W Alternator Charger operates flawlessly in temperatures from -10°C to 45°C. With ultra-low standby power draw, it won’t drain your vehicle’s battery even during long periods of inactivity.

Lightweight, Compact & RV-Ready

Weighing only 2.4 lbs and measuring 7 × 4.9 × 2.6 inches, this charger is compact, easy to install in RVs/campers, and portable for off-grid adventures.

Package Includes

1 × ABOK 500W Alternator Charger
1 × 157.5-inch cable
1 × 39.4-inch cable

Specifications

ParameterSpecificationModelABOK 500W Alternator ChargerInput Voltage12V / 24V (auto detection + manual switch)Output Voltage48V DCRated Power500WPeak Power600WCharging Speed1kWh in approx. 2.2 hoursSafety Protections7 layers (under/over-voltage, over-current, short-circuit, over/under-temp, reverse polarity)Operating Temperature-10°C to 45°CStandby PowerUltra-low, prevents battery drainDimensions7 × 4.9 × 2.6 inchesWeight2.4 lbs

【‌Wide Compatibility】Auto-detects 12V/24V RV battery + manual Mode Ⅰ/Ⅱ switching; activates only when vehicle starts (no battery drain). 7-Layer Safety: Input over/under-voltage, output over-current/short-circuit, temp protection & reverse polarity guard—full security for devices. 500W Fast Charge (600W Peak): Refills 1kWh in 2.2 hours via stable 48V DC output—ideal for on-the-go top-ups. Easy Off-Grid Control: Physical buttons for power/mode switching + LED indicators (working/fault/charging status). Extreme Durability: Operates in -10°C to 45°C; ultra-low standby power (no stealth battery drain during long parking). Lightweight & Compact: ~2.4 lbs, 7×4.9×2.6 inches—easy to install in RVs or carry for off-grid adventures.
【7-Layer Safety】Input over/under-voltage, output over-current/short-circuit, temp protection & reverse polarity guard—full security for devices.
【500W Fast Charge (600W Peak)】Refills 1kWh in 2.2 hours via stable 48V DC output—ideal for on-the-go top-ups.
【Easy Off-Grid Control】Physical buttons for power/mode switching + LED indicators (working/fault/charging status).
【Extreme Durability】Operates in -10°C to 45°C; ultra-low standby power (no stealth battery drain during long parking).
【Lightweight & Compact】 ~2.4 lbs, 7×4.9×2.6 inches—easy to install in RVs or carry for off-grid adventures.

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Specifications

Battery capacity

0 mAh

Continuous wattage

500 W

Surge wattage

500 W

Run time

0 h

Warranty

Warranty information

2 years

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warnings

Ingestion Hazard

This product contains a battery. Death or serious injury can occur if ingested. A swallowed battery can cause Internal Chemical Burn in as little as 2 hours. Keep new and used batteries OUT OF REACH OF CHILDREN. Seek Immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body.