ATEM POWER 135Ah 12V AGM Deep Cycle Battery + 12V 25A DC to DC Battery Charger + Battery Box



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The ATEM POWER AGM battery, which has built-in pure lead grip and AGM separator for enhanced conductivity and electrolyte absorption and effective charge keeping, is all weather- and temperature-resistant, and this battery is also designed for a more efficient discharge recovery. Faster recharging technology and battery protection deliver reliable performance. The sealed structure, copper alloy terminals and factory sealed lid allow no leakage of any caustic chemicals, and ABS intrusion-safe body and heavy-duty posts ensure reliable performance against any drastic vibrations shocks or outer wreckage. The ATEM POWER 25A DC to DC charger. With its advanced features and superior performance, this DC-DC charger is the perfect companion to keep your batteries fully charged and ready for action, ensuring you never run out of power when you need it most.
  • Battery-Anti-Leakage Construction: Sealed structure, ABS intrusion-safe body and factory sealed lid ensure no leakage of any caustic materials.
  • Battery-Weather & Temperature Resistant: All-weatherproof and able to work at temperatures down to -40 degrees Fahrenheit.
  • Battery-Longer Lifespan: This Deep Cycle Battery is low self-discharge, less prone to sulfation and excellent water retention which can be kept out of operation for a much longer period while preserving the perfect conductivity.
  • Battery-User Friendly Design: Built-in straps offer excellent carrying and mounting experience and ensure convenience during daily use.
  • Charger-Dual Input Power: Our charger utilizes the DC source or solar power, ensuring a stable and consistent energy source for your auxiliary battery.
  • Charger-Advanced Charging Algorithm: Our smart 4-stage charging process optimally charges your batteries, delivering them to their peak levels for extended use.
  • Charger-Intelligent Protection: It comes with built-in safeguards, protecting against reverse polarity, overvoltage, over-temperature, charge timeout, and lithium battery BMS.
  • Charger-Boost Efficiency with MPPT: This DC to DC charger includes a MPPT controller, increasing charging efficiency by up to 30% when connected to solar panels.
  • Charger-Convenient Anderson Style Plug: Simplify your setup! Equipped with Anderson style plugs, our DC to DC charger makes wiring a breeze, saving you time and effort.
  • Charger-Ultimate Versatility: This compact DC to DC charger is a must-have for 4WDs, caravans, RVs, trucks, campers, trailers, campervans, commercial vehicles, and boats.
135Ah Battery
Rated capacity (10 hour rate):135Ah
Nominal voltage:12V
Float charge (Constant Voltage):Voltage: 13.5 - 13.8V at 25°C (77°F)
Cycle Charge (Constant Voltage):Initial Charging Current less than 25A | Voltage 14.4-15.0V at 25°C (77°F)
Max Initial Current:Less than 33.75A
Max discharge current:600A (5s) at 25°C (77°F)
Self-discharge capacity:3 Months = 91% | >6 Months = 82% | >12 Months = 64%
Capacity affected by temperature:40°C = 102% | 25°C = 100% | 0°C = 85% | -15°C = 65
Internal Resistance:Approx. 6.0mΩ
Package Dimensions:385x220x270mm
Gross Weight:27.85kg
Battery Box
Max. Battery Weight:50kg
Case Material:PP
Suitable Battery Types:12V Deep Cycle Batteries
Ports:2 x USB Type-A Output (5.1V 2.1A + 1A)
1 x Cigarette Lighter Socket Input / Output (12V, 15A)
2 x 50A Anderson Plug Input / Output (Max. 30A Each)
Operating Temperature:-15°C ~80°C
Package Size:470mm(L) x 255mm(W) x 290mm(H)
Package Weight:2kg
25A DC to DC Charger
DC Input Voltage Range:11V~24V
Solar Input Voltage Range:9V~30V
Max. Input Current:28A
Output Voltage:0~15.4V
Max. Output Power:385W
Rated Output Current:25A
Standby Current:<10mA
Charging Profile:4 Stages
Battery Compatibility:Lead Acid, AGM, Calcium, LiON(LiFePO4)
IP Rating:IP-54
Operational Temperature:-20℃~45℃
Storage Temperature:-40℃~60℃
Package Size:316mm(L) x 240mm(W) x 63mm(H)
Package Weight:1.255Kg

  • 1 x AGM Battery
  • 1 x ATEM POWER Battery Box
  • 1 x Strap
  • 1 x Internal Bracket
  • 1 x ATEM POWER 25A DC-DC Charger with Anderson Style Plugs
  • 3 x Anderson Style Plugs
  • 2 x Deck Loops
  • 1 x Screw and Nut Kit
  • 1 x User Manual

1 Year Warranty For Battery & Charger
2 Years Warranty For Battery Box

Delivery :

  • Please note that deliver to PO BOX address is available for products below 22kg and 1M length. Please make sure you have provided a correct physical address during checkout on products of excessive size.
  • Our shipping system cannot accept order changes or cancellation after payment is made. You can follow our return policy for more information.
  • To aid in smooth and speed of delivery, ensure your address is correct during the checkout. With correct information provided, your order is dispatched within 1 business day. Any changes to address after payment made will not be considered.
  • Please allow 2 to 12 business days for product to arrive. We highly recommend to provide an answerable contact number and email address as we do make call to follow up item delivery status.
  • Your item will be sent via Australia Post or courier depending on its size and weight.

Australia Post :

  • You will receive a notification email along with a tracking number.
  • If you are not at home during normal business hours (9am – 5pm), you will receive a card indicating the item is required to be picked up from a local depot. A signature is required for collection with a valid photo ID.
  • A re-delivery fee will be charged to you for items that are returned to our warehouse due to incorrect address or failure to collect from local depot.

Courier :

  • Delivery is not available on weekends, public holidays or after business hours.
  • Please note a re-delivery fee will be charged to you for items that are returned due to incorrect address or failure to collect from local depot.
  • We aid to provide door to door delivery for every customer. However, buyers in remote areas may be required to collect item from their nearest freight depot. Please ensure if you have any questions about the re-delivery service, we are always here to back you up.

Pickup :

Please note Pickup is available only for unpaid orders


Collection required within 3 business days of stock being available.



We provide free delivery for most metropolitan areas in Australia, but there may be additional delivery costs associated to some areas. 

Any delivery charges for your order will be shown once your postcode is entered during the checkout process.

To view the list of non-free shipping delivery postcodes , please check the table below/












4421,4450-4499, 4680, 4700-4805, 9920-9959


4806-4899, 4900-4999, 9960-9999