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Thumper Battery Box / Thumper 120ah Redback / 120 Watt Split Fold Solar Panel



Blue Apple Thumper has introduced a whole new line of Heavy Duty Battery Boxes to its expanding range of power products.

The Thumper Portable Battery Box dual battery system is a great affordable way to have a second battery in the rear of the vehicle.  With a huge 120ah capacity that you can power a 40Ltr – 60Ltr fridge for up to 4 days without charging.

The Dual Battery System includes a Deep Cycle AGM Thumper Redback  battery.  This battery has no memory so charge times can vary but a full charge from dead flat will normally take approx 4 hours depending on the vehicle. 

The Dual Battery System includes the 140Amp Volatge Sensitive Relay Isolator kit.  This includes a 140Amp VSR Isolator, 50Amp Auto Circuit Breaker and a 6Mtr 8mm twin cable with a 50amp Anderson plug. 
This In Car Charging Kit is very effective in charging the auxillary battery in a wide range of vehicles on the market today.

For long extended free camping trips this kit includes a 120 Watt Split Fold Solar Panel to keep the Thumper Redback AGM battery charged up.  The Blue Apple 120 Watt Solar Panel includes a solar kit with 2 x 5Mtr Anderson Extension Lead plus inline Amp/Volt meter and Alligator – Anderson adaptor.

Blue Apple Thumper has introduced a whole new line of Heavy Duty Battery Boxes to its expanding range of power products.This unique battery box design is packed with numerous features and outlet sockets to accommodate for every individual. Please feel free to browse our range for a battery box that will suit your application.

All Battery Box models include the following components:

1 x LCD Digital Volt meter gauge
Allows for accurate voltage reading of your battery (3volt ~ 30 Volts)

1 x Hold down push button switch
– used for Volt gauge

1 x 30 Amp Automatic reset circuit breaker
– Controls all outlet sockets inside the Battery Box

1 x 50 Amp Automatic reset circuit breaker
– Control both 50 Amp Anderson connector on front & rear

2 x 50 Amp Anderson connectors
(wired as both inlet or outlet)

– All internal cabling to allow you to simply connect straight to the battery terminals

Internal Dimensions of Battery Box

Length – 330mm

Width – 175mm

Height – 225mm

External Dimensions of Battery Box 

Length – 410mm

Width – 260mm

​Height – 280mm
* Dimensions includes all protruding outlet sockets *


Thumper 120ah Redback

Finally the technology of the Thumper has been extended to the larger AGM Batteries!

The Thumper Redback is a high quality AGM Battery; this completely sealed battery has a fantastic standby life, making it the perfect choice for the use in Caravans, Motor homes and camper trailers.

Unlike other batteries on the market, the Thumper Redback holds a very low internal resistance. This means the Thumper Redback AGM Deep cycle battery has the ability to charge at a rapid rate and as a result it can reach fully charged within 2 – 3 hours of vehicle charging.

The Thumper Redback is classified as our “hybrid battery”. Due to the way in which this battery is configured it allows for this model Redback to be not only be used as a deep cycle battery, but also as a cranking battery.


  • Maintenance Free
  • Leak Proof
  • Rapid recharge rate due to a low internal resistance
  • Can reach full recharge within 2 – 3 hours from alternator
  • Excellent standby use
  • Excellent long term storage
  •  Heat resistant
  • Vibration resistant due to bonded element design

The Thumper Redback has a self discharge of less than 5 % per year

(wet cell batteries discharge approx 3 – 4 % per week)

Maximum discharge 1400 Amp 5 seconds

Short circuit 3400 Amp

880 Cranking Amps at 25⁰c (Approx 680 CCA at -18⁰c)

  • Completely sealed – can be mounted on any side
  • Can be mounted in sealed compartment
  • Under bonnet use
  • Superior discharge ability compared to a wet cell
  • High CA output
  • Up to 5 times faster recharge than a wet cell battery
  • Full 2 year manufacturer warranty!

Discharge Rate                  Ah Capacity

20 Hour Rate                        120 Ah

10 Hour Rate                        116 Ah

5 Hour Rate                        100 Ah

1 Hour Rate                          80 Ah

Blue Apple 120 Watt Split Fold Panel

The Blue Apple Mono crystalline portable 120 watt split fold solar panel is made with the highest quality A – grade silicon cells and come with a full 25 year performance warranty and 10 year structural warranty.

Mono crystalline panels make for fantastic portable panels due to the all rounded efficiency with all levels of light, working extremely well in areas of high light and even maintaining a fantastic output in low light or overcast conditions.

The 120 watt SPLIT fold has the ability to harness over 7.5 Amps per hour (with an average output of 6.5 – 7.5 Amps)

This neat design consists of 2 x 60 watt panels hinged together, so when folded the glass panels will fold in facing one another; adding extra protection to the panel. Once folded, the panel can slide straight into the provided carry bag, allowing for easy transport.   

Portable panels can allow the user to harness up to a massive 12 hours of sunlight a day (depending on your location and the time of the year).

This means that the 120 watt split fold panel CAN produce up to 80 Amps per day! In most cases the 120 watt split fold panel would allow the user to continuously keep up with the draw of a 60Lt compressor type fridge (when combined with approx a 60 Ah battery).

The input power of a portable panel is largely dependent on the user of the panel.
**Keep in mind that if like your late mornings and you do not put your panel in the sun until the afternoon, you may need to consider a larger panel to compensate for the time you would miss in the mornings.

Every Blue Apple panel is fitted with diode protection, eliminating the chance for the solar cells to rob power from one another when in the shade. The diode protection will also eliminate any chance of power being robbed from the batteries at night.

The 120 watt split fold panel is fitted with DUAL Anderson plugs for Regulated charging with the GSL Electronics 12V 12Amp PWM regulator or a new feature the Non Regulated Output Anderson.
This Non Regulated Anderson output is for DC-DC / MPPT chargers which are commonly fitted to most late model vehicles.

The GSL PWM 12Amp regulator is suitable for the use with AGM, GEL, WETCELL or CALCIUM batteries.

Each panel is equipped with its own set of heavy duty anodized aluminum legs which can be adjusted to allow the panel to sit at any angle allowing for optimum performance to be achieved. At the bottom of each aluminum leg there are rubber feet fitted which will prevent the panel from slipping on smooth surfaces.

Weight 44 kg
Dimensions 75 × 34 × 65 cm


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