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27.11.2023

Invicta Xero: The Next Generation Of Invicta Lithium Batteries.

Sealed Performance Batteries (SPB), a leading innovator in energy storage solutions, is thrilled to announce the launch of the Invicta Lithium Xero, a ground-breaking 12V 120Ah lithium battery that sets a new standard for performance, durability, and innovation in the energy storage industry. Designed to meet emerging safety standards and advancements in application technology for marine, 4x4, and recreational markets, the Invicta Xero range includes significant upgrades compared to the previous deep-cycle range. These included an improved IP rating, high-performance BMS, internal and external construction upgrades, and added communication methods via CAN bus and Bluetooth connections. All this while still keeping true to Invicta's ethos of providing some of the safest, most reliable and highest-performing batteries on the market.

28.10.2026

Lithium Battery Cycle Life: What the Number Means

Every lithium spec sheet leads with it: 3,000 cycles, 5,000 cycles, sometimes a lot more. Lithium battery cycle life is one of the most quoted numbers in the 12V world, and one of the least understood. It isn't a promise of how many years your battery will last, and two batteries with the same figure can age very differently depending on how they were tested and how they're used. So here's what a cycle actually is, what the rating is measuring, and how to turn it into something useful: a realistic sense of how many years of touring, fishing or off-grid living your battery has in it.

07.10.2026

LiFePO4 Battery Safety: What You Need to Know

Say "lithium battery" to someone who's only ever seen a news story about a phone or an e-bike catching fire, and you'll get a wary look. It's not an unreasonable reaction. But it's also a bit unfair, because it lumps LiFePO4 battery safety in with chemistries that behave nothing like it once things go wrong. LiFePO4, or lithium iron phosphate, isn't the lithium-cobalt chemistry sitting in your phone or laptop. That's not a sales line. It's basic chemistry, and it's the reason the two behave so differently when something fails.

28.09.2026

Lithium vs AGM Battery: Which Suits Your Caravan?

Spend ten minutes in a caravan park camp kitchen and someone will eventually bring up the lithium vs AGM battery debate — usually with strong opinions and a few numbers that don't quite check out. It's a genuinely useful question, though, because the two chemistries behave differently enough that picking the wrong one means either overspending on capacity you'll never use, or running out of power two nights into a trip.

14.09.2026

DC-DC Charger for Caravan: How It Actually Works

Ten years ago, plenty of caravans towed behind a vehicle got by on a simple wired-through connection from the tow vehicle's alternator, and it mostly worked. That's changed, not because caravan electrics got more complicated for no reason, but because tow vehicles did. A DC-DC charger for caravan setups has gone from a nice-to-have upgrade to close to a necessity, and the reason comes down to what's happening under the bonnet of the vehicle doing the towing.

07.09.2026

Dual Battery System for 4WD: What You Actually Need

Ask five people what a dual battery system for 4WD actually needs and there's a decent chance you'll get five different shopping lists. Some of that is genuine flexibility — there's more than one way to wire a rig — but a lot of it comes down to people copying what a mate did five years ago, on a vehicle with a completely different alternator. Before spending money, it's worth understanding what each component in the system is actually doing, because the right setup for a modern dual-cab with a smart alternator looks nothing like the right setup for an older vehicle with a fixed-voltage charging system.

01.09.2026

How Long Do Lithium Batteries Last in a Caravan?

It's one of the first questions anyone asks before spending real money on a lithium setup, and it's not a bad question — how long do lithium batteries last, once they're doing actual work in a caravan, camper or 4WD dual battery system? The honest answer is "longer than the lead-acid or AGM battery it replaced, provided a few basic things go right." The less honest answer is a single number on a spec sheet that doesn't account for how the battery is actually used, charged and stored.

24.08.2026

How Long Do Lithium Batteries Last? A Real Guide

How long do lithium batteries last is one of those questions where the honest answer is "longer than you'd think, and it depends on how you treat it." Unlike a lead-acid battery, which tends to give you a fairly narrow, predictable window before it noticeably fades, a quality LiFePO4 (lithium iron phosphate) battery has a much wider realistic range — and where you land in that range comes down to a handful of habits that are easy to get right once you understand them.

24.08.2026

What Size Lithium Battery Do I Need? A Simple Guide

"What size lithium battery do I need?" is one of the most common questions asked before an upgrade, and it's also one of the easiest to get wrong in both directions. Undersize it and you're rationing power by day three of a trip. Oversize it, and you've paid for capacity and carried extra weight you never actually use. The good news is that working it out properly isn't complicated; it just means starting from your actual power usage rather than guessing at a round number.

17.08.2026

How to Size a Lithium Battery Bank for Touring

Ask ten people how to size a lithium battery bank for touring and you'll get ten different answers, most of them a guess dressed up as advice. "Just get a 200Ah" is the kind of thing that gets repeated around a campfire, but it ignores the one thing that actually determines the right size: how much power you're using in a day. Get the sizing wrong in one direction and you're carrying weight and cost you didn't need. Get it wrong the other way and you're rationing torch batteries by day three because the fridge ate through everything overnight. The good news is that sizing a battery bank properly isn't complicated — it just needs to start in the right place.

17.07.2026

From AGM to Lithium: How Invicta Black Powers Your First Weekend Away

You've just picked up your first caravan. It's secondhand, it's got a bit of character, and tucked away in the front boot is an old AGM battery that's seen better days. You're not chasing a full off-grid, months-on-the-road setup — you just want reliable power for a few weekends a year, without needing a finance plan to get there. This is exactly the situation where Invicta Black stands out.

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