Giantz 135Ah 12V Deep Cycle Battery


From a powerful battery to a formidable power station. That is what our GIANTZ Deep Cycle Battery and Battery Box combo can do. On its own, the 135Ah 12V battery features an incredible cycle life of up to 1400 cycles.

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135Ah battery:

Greater cycle life

Max. cycle life of 1400 cycles

Industry-leading build life

Higher sulfation resistance

Longer storage life


Superior deep discharge recovery

Better low temperature performance

High oxygen-recombination efficiency

Advanced AGM technology

Spill-proof, leak-proof and non-gassing

Bolt-down terminals

Convenient carry handle

Battery box:

Protective and portable


Digital voltage indicator

10A resettable circuit breaker

Two USB ports

Cigarette lighter socket

Anderson plugs

Positive and negative terminals

Sturdy housing

Heavy-duty carry handles

Tie down strap



135Ah battery:

Overall dimensions: 33cm x 17.1cm x 21.6cm

Approx. weight: 29.5kg

Container material: ABS

Terminals: Bolt-down

Nominal voltage: 12V

Rated capacity (10-hour rate): 135Ah

Internal resistance: Approx. 5.0m?

Maximum discharge current: 1200A (5s)

Maximum charge current: 25A

Operating temperature ranges:

Discharge: -15C to 50C

Charge: -20C to 50C

Storage: -20C to 50C

Capacity affected by temperature: 40C = 102% | 25C = 100% | 0C = 85% | -15C = 65%

Float charge: 13.5 to 13.8V

Equalise charge: 13.8 to 14.1V

Cycle charge: 14.4 to 15.0V

Self-discharge 3% of capacity declined per month at 25?

Battery box:

Overall dimensions: 43.5cm x 25.5cm x 30cm

Inner dimensions: 36cm x 20.5cm x 24cm


Package Contents:

Deep cycle battery x 1

Battery box x 1

User instructions x 1