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Soneil 24v 4 Amp Constant Current World Smart Charger Son2408CAA

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Item has been discontinued and replaced by the Soniel 2408SRF.

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Product InformationStore Part Number: Son2408CAA


Replaces: 2408CBA

Protection provided: Reverse Polarity, Short Circuit, Over-Voltage, Over Current and AC Surge. Soft Start and Stop; Starts and stops gradually. No sudden in-rush of current. This protects both the batteries and any other circuits connected to the charger.

Soneil’s Battery Charger transforms the 115/230 VAC into 24 VDC at about 100,000 Hz (3333 times faster than conventional charger), which requires a much smaller transformer and therefore results in a unit of smaller size, low weight and improved efficiency. The 2408 uses sophisticated electronic circuitry with microchips. All present day computers use switch-mode technology.

Stage 1: Deep Discharge Charging Pulse Mode
The Charger starts charging at 0.5V and give pulse current up to 5V. This has effect of removing loose sulphation formed during deep discharge state of the battery.

Stage 2: Constant Current Mode (CC)
The charger changes to constant current 4.0A. When the battery voltage reaches up to 28.8V, the charging stage changes from (CC) Constant Current to CV (Constant Voltage) mode.

Stage 3: Constant Voltage Mode (CV)
The charger holds the battery at 28.8V and the current slowly reduces. The moment the current reaches 0.5 C (C= Battery Capacity), is called the Switching Point. The Switching Point is one of the great features of this battery charger that it can adjust the current automatically according to the battery capacity. Other chargers without microprocessors are not capable to adjust the current automatically.

Stage 4: Standby Voltage Mode
The charger maintains the battery voltage at 27.6V and current slowly reduces to zero. Charger can be left connected indefinitely without harming the battery.


If the battery voltage drops to 27.6V, the charger changes from any mode to Constant Current mode and restart charging. The charging cycle will go through Stage 2 to Stage 4.

This charger typically ships without output connectors, allowing the customer to adapt the charger to their specific needs.


  • Totally Automatic Switch-Mode Battery Charger
  • Suitable for Gel, Sealed (AGM) and Wet Lead Acid Batteries
  • Suitable for use anywhere in the world.
  • Dual Voltage-Switch selectable 115/230VAC 47 to 62Hz
  • Automatic Cut Off and then True Float. Can be left connected indefinitely without harming the battery.
  • Two color LED to indicate charge status
  • Mean Time between failures 30,000 hours
  • Zero Current Drain when AC power is off
  • Very low start voltage 0.5
  • Fan cooled circuitry
  • Temperature Compensation above 75 °F
  • Optimal 3 Step Charging
  • Built-in Mode Indicators
  • Demand Sensing
  • Reverse Polarity Protection
  • Over Voltage Protected
  • Short Circuit Protection
  • Overload Protection
  • Line Regulation
  • Thermal Protection
  • 1 year Warranty


*Flat Rate shipping is for the lower 48 states only.

Tech Specs

  • Dimensions (LxWxH): 6 x 3.7 x 1.9 in
  • Weight: 1.5 lb
  • Shipping Weight: 3.0 lb
  • Max Current, During Bulk Charge: 4 A
  • Absorption Voltage: 28.8 V
  • AC Input Volts: 115/230 V
  • AC Input Volts Freq.: 47/63 Hz
  • Manufacturer: Soneil
  • AC Input Volts Range: 90–264 V
  • Float Voltage: 27.6 V
  • Output Banks: 1
  • Warranty: 1 year
  • Regulatory Approval: UL, ULc, CE Listed
  • Manufacturer Part #: Son2408CAA

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Reviews and Ratings

4.50 Average
5 Stars 1
4 Stars 1
3 Stars 0
2 Stars 0
1 Stars 0
Rated 4.50/5 Stars from 2 customer reviews.

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24 volt charger
Cons: 24volt 4 amp on board charger for my victory scooter. works perfect.No complaints
Is this review helpful?
Written by Anonymous on Nov 04, 2011. Ownership: Just Bought. Knowledge Level: AC/DC is more than a band — (86 of 169 customers found this review helpful
Soneil 24v 4amp smart charger #son2408caa
Pros: Good charger went right in to a Raschal Cart no problem removed old one new one went in same as old one.Very easy install any one can do swap them selve.
Cons: Works good only got 1 year out of original charger Hopeing to get more than a year out of this one.
Other Thoughts: Did use 3-4 times a week every week!!!!
Is this review helpful?
Written by Anonymous on Jan 06, 2013. Ownership: Use regularly. Knowledge Level: Electricity doesn't scare me.. usually — (80 of 155 customers found this review helpful

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Manuals & Tutorials


Chargers Tutorial

Order Line: 1-800-362-5397
M–F 6am–5pm PST
Tech Help: 541-474-4421
Fax: 541-471-6014
276 Tech Way, Suite A
Grants Pass, OR 97526
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