iTechWorld 300Ah Ultra Slim Lithium Battery
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300Ah iTech Ultra Slim – Big Power, Slim Build!
If you’ve ever rocked up to camp only to find your old battery has thrown in the towel again, you’ll know the pain of dodgy power all too well.
Maybe you’re sick of wrestling with those chunky, back-breaking batteries that take up half your storage, or you’ve had it with guessing whether you’ve got enough juice to keep the fridge humming and the lights on.
That’s exactly where the iTechWorld 300Ah Ultra Slim steps in, a real beauty for anyone who wants reliable power without the bulk. It’s slim enough to slide into those tight caravan cavities, smart enough to check on your phone, and tough enough to handle the Aussie outdoors without chucking a tantrum.
Don’t waste another trip worrying about power, upgrade today and hit the road with confidence!

Why The iTech 300Ah Ultra Slim May Be Right For You:
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You get heaps more usable power thanks to the 300Ah LiFePO4 capacity, so you can keep the fridge cold, lights on, and everything humming without stressing about going flat.
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You save a ton of space with its ultra-slim design, making it easy to slide into tight caravan or 4WD spots and freeing up room for the important stuff.
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You stay in control on the road with the built-in Bluetooth monitoring, letting you check your battery levels on your phone so you’re never caught by surprise.
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You enjoy peace of mind through its tough, Aussie-ready build, meaning it shrugs off rough tracks and hot weather without throwing a tantrum.
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You get long-term reliability from its advanced LiFePO4 chemistry, giving you more charge cycles and fewer hassles so you can keep adventuring for years to come.
300Ah iTech Ultra Slim, Package Contents:
- iTECH300US
- 2 x M8 bolts
- User Guide

iTechWorld 300Ah Ultra Slim User Manual:
iTech 300Ah Ultra Slim Tech Specs
General Specifications
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Dimensions: 562 × 82 × 374 mm (580 mm with terminals)
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Weight: 31.2 kg
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Capacity: 300Ah
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Battery Type: Lithium LiFePO₄
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Voltage: 12V
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Nominal Voltage: 12.8V
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Operating Temperature (Battery): 5°C to 60°C
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Operating Temperature (BMS): –40°C to 80°C
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Series Capability: Up to 48V setups
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Parallel Capability: Unlimited
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Life Cycles @ 80% DOD: 5,000+
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Life Cycles @ 40% DOD: 10,000+
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Terminals: M8
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Case Material: Stainless steel
Charging
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Bulk Charge: 14.4V
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Charging Current: 1A–150A
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High Voltage Cutoff: 15V
Discharging
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Continuous Discharge: 200A
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Peak Discharge: 640A (5 seconds)
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Low Voltage Cutoff: 10V
