23 September: Warehouse is still allowed to operate. Most orders sent within 2 hours. Posting Australia wide.
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GSL 12V to 12v, Voltage Booster Battery Charger 22A

GSL 12V to 12v, Voltage Booster Battery Charger 22A
DC to DC Voltage Booster Battery Charger
DC to DC Voltage Booster Battery Charger
Product Manual (8.8mb)
2 In Stock Now.
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Stock Update - 23rd September 2021

Yes, we have stock. Right now there are 2 of these held at our warehouse (Queanbeyan NSW).
Our stock levels are real and live. If you order now we will get it out with our next daily freight.
We aim to hold the most stock and have the fastest delivery on all caravan accessories and spare parts.


NGBC1222 - 22A 12V DC to DC Voltage Booster Battery Charger is the new pint sized powerhouse of the GSL Electronics DC to DC booster charger range. Feature rich and using next generation topology producing over 10% more power in a 15-58% smaller package than its competitors. Not only that but rounded out with a weatherproof polymer encapsulation.

Suitable for AGM/GEL/FLOODED and Lithium batteries


  • Revolutionary constant output power feature. Giving you extra charge Amps when your Auxiliary battery is low.
  • Optional automatic solenoid bypass feature will automatically connect main and auxiliary for emergency jumpstart on low battery conditions. (Solenoid sold separately)
  • Automatic sensing and compensation for large voltage drops on input wires.
  • Convection cooled light weight aluminium heatsink construction combined with polymer encapsulation making the unit strong, weatherproof and able to be mounted almost anywhere.
  • Selectable chemistry via wire setup enables accurate charge voltage for AGM/GEL/FLOODED and Lithium batteries
  • Over temperature protection
  • Over current protection
  • 6-Pin weatherproof socket
  • 1 year warranty.


  • Model: NGBC1222-1
  • Brand: GSL
  • This Unit DOES NOT include Start Assist & External temperature compensation via a LM series sensor for charging in extreme conditions( See NGBC122-2)
  • Lowest Operating Voltage : 11.5V
  • Weight : 560g
  • Maximum Operating Voltage : 15.5V
  • Maximum Current at Bulk Charge : 22A
  • Charge Voltage for Flooded Cell : 14.6V
  • Charge Voltage for AGM : 14.4V
  • Charge Voltage for GEL : 14.2V
  • Float Voltage : 13.5V
  • Output Short Circuit Protection : No
  • Dimensions mm (HxWxL) : 32.3mm x 71.5mm x 162mm
  • Shipping Weight: 680 grams.
  • Shipping Dimensions: 25 cm x 9 cm x 4 cm.

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