Votronic

Recorded answer text · Google AI Overviews · 4 October 2026

The best second battery setup for touring the UK is a 100Ah-200Ah LiFePO4 (Lithium Iron Phosphate) leisure battery paired with a Battery-to-Battery (B2B / DC-DC) charger, as this combination handles the UK's frequent overcast weather far better than relying solely on solar panels.

### Recommended Setup Components

- The Battery: A 12V 100Ah to 200Ah LiFePO4 battery (such as a [Renogy LiFePO4 Smart Battery]( or equivalent) provides deep-cycle capacity, delivers 100% of its rated energy, and weighs a fraction of traditional lead-acid options. - The Charger: A DC-DC / B2B charger with an integrated MPPT solar controller (such as a 50A Renogy or Votronic unit) charges your secondary battery efficiently from your vehicle alternator while you drive between UK touring stops. - Backup/Alternative Option: If you prefer a portable, plug-and-play unit rather than a hardwired installation, all-in-one power stations like the [Jackery Explorer 1000 v2]( offer ~1070Wh of LiFePO4 capacity that can be charged via your 12V socket or solar.

### Why This Works for UK Touring

- alternator Charging is Reliable: UK weather means solar output is unpredictable or minimal from late autumn to early spring. A B2B charger ensures rapid replenishment during your regular driving stretches. - Weight and Space Savings: Lithium drop-ins save massive amounts of payload weight compared to parallel lead-acid or AGM banks, which is crucial for van or motorhome limits. - Protection: Quality Battery Management Systems (BMS) safeguard against voltage drops and cold-weather charging issues.

If you want to tailor this setup, let me know:

- What vehicle or rig you are touring in (campervan, 4x4, caravan)? - What appliances you plan to run (12V fridge, laptop, induction cooker)? - Whether you prefer a fixed/hardwired system or a portable power station.

Recorded answer text · ChatGPT · 4 October 2026

If you mean a proper 12V off-grid camping/campervan electrical system in the UK, rather than a portable power station, these are the brands I'd shortlist in 2026:

| Rank | Brand | Best for | My take | |---|---|---|---| | 1 | Victron Energy | Complete electrical system | 🏆 Best overall / premium | | 2 | Fogstar | LiFePO4 leisure batteries | 🏆 Best UK battery choice | | 3 | Renogy | Value-for-money complete systems | ⭐ Best budget/mid-range | | 4 | Sterling Power | DC-DC/alternator charging | ⭐ Excellent UK specialist | | 5 | Roamer | Premium LiFePO4 batteries | ⭐ Very good alternative | | 6 | CTEK | Simple battery charging | ⭐ Excellent for simpler setups | | 7 | Blue Sea Systems | Fuses, busbars & distribution | ⭐ Excellent quality | | 8 | Votronic | Compact campervan electrics | ⭐ High-quality European option | | 9 | EPEVER | Solar charge controllers | 👍 Good value | | 10 | LiTime | Budget LiFePO4 batteries | 👍 Good budget option | | 11 | EcoFlow | Simple portable/off-grid power | 👍 Great if you don't want a fixed system | | 12 | NDS Energy | Campervan-specific electrical systems | 👍 Specialist option |

### 🥇 The setup I'd choose

For a UK campervan/camping build, I'd mix brands rather than buy everything from one manufacturer:

- Battery: Fogstar Drift LiFePO4 - Solar controller: Victron SmartSolar MPPT - DC-DC alternator charger: Victron Orion XS or Sterling Power - Battery monitor: Victron SmartShunt - Inverter: Victron Phoenix - Fuses/busbars: Blue Sea Systems - Solar panels: Renogy or another good monocrystalline panel

That's a particularly strong combination because Victron's ecosystem gives you excellent monitoring and integration, while Fogstar offers very competitive UK LiFePO4 batteries. UK campervan guides currently recommend this kind of mixed system rather than forcing everything to be one brand. roamwired.com

### [Victron Orion XS 12/12-50A DC-DC Charger]() £216.99

### [Victron SmartSolar MPPT]() £121.99

### [Renogy 200W Solar Panel Kit]() £269.99

### [Renogy 12V 50A DC-DC Charger with MPPT]() £170.99

### 💷 Best value setup

If you're trying to keep the cost sensible, Renogy + Fogstar + selected Victron components is probably the sweet spot.

For example, a 100-200Ah LiFePO4 battery + ~200W solar + 20-30A DC-DC + Victron MPPT + SmartShunt can make a very capable weekend/short-trip system. A current UK example puts a beginner 100Ah system around £880-£1,200 all-in, including wiring and protection. roamwired.com

### ⚡ One important distinction

If by "camping" you mean tent camping, I'd actually consider EcoFlow rather than installing a permanent 12V system. Their portable units are much simpler.

If you mean campervan/caravan, I'd go with the fixed 12V architecture above. EcoFlow is convenient, but Victron/Fogstar gives you much better control over a properly integrated vehicle electrical system.

My overall combination: Fogstar battery + Victron electronics + Renogy solar + Blue Sea protection/distribution.

If you tell me your vehicle/camper, budget (£500 / £1,000 / £2,000+), and what you want to run (fridge, diesel heater, TV, laptop, kettle, induction hob, etc.), I can spec the exact 12V UK setup-including battery Ah, solar W, DC-DC amps, inverter size, fuses and cable sizes.

Recorded answer text · Perplexity · 4 October 2026

For most UK campervan, motorhome, and leisure setups, the Victron Orion-Tr Smart 12/12-30A or 12/12-50A is the best all-round DC-DC charger for a 12V LiFePO₄ battery. It offers adjustable charging, Bluetooth monitoring, engine-running detection, and strong support availability.

## Best choices

| Charger | Best for | Why choose it | |---|---|---| | Victron Orion-Tr Smart 12/12-30A | Best overall | Reliable, Bluetooth-adjustable, works with smart alternators, isolated and non-isolated versions available | | Victron Orion-Tr Smart 12/12-50A | Fast charging | Suitable for larger battery banks, but requires adequate alternator capacity and heavy cabling | | Sterling BB1230 / BB1260 | UK-focused installations | Well established in marine and motorhome systems, with lithium charging profiles | | Votronic VCC 1212-45 IUoU-Li | Premium isolated installation | 45A output, dedicated LiFePO₄ profile, temperature sensing, and galvanic isolation | | Renogy DCC30S or DCC50S | Budget option with solar input | Combines DC-DC charging with MPPT solar charging; the DCC50S is rated at 50A |

## Recommended setup

- 100Ah LiFePO₄ battery: 30A charger - 200Ah battery bank: 40-50A charger - Smart alternator: Choose a charger with automatic engine-running detection or an ignition/D+ trigger. - Solar installed: Consider a combined DC-DC/MPPT unit such as the Renogy DCC30S or DCC50S. - Long cable runs or marine installation: Use an isolated charger, such as the isolated Victron or Votronic models.

A DC-DC charger is preferable to a traditional split-charge relay because lithium batteries need controlled voltage regulation and an appropriate charging profile. A typical LiFePO₄ charger should regulate at approximately 14.4V, subject to the battery manufacturer's specifications.

Best practical pick: Victron Orion-Tr Smart 12/12-30A for a 100Ah battery, or the 12/12-50A for a 200Ah-plus bank-provided the alternator, fuses, and cable sizes support the output.