|
Model
|
 Mini Bluetooth View Product › |
 Self-heating View Product › |
 Mini Super View Product › |
 Underseat View Product › |
|---|---|---|---|---|
| Ideal for | Camping with App monitoring | Winter camping in cold regions | High-end off-grid & maximum lifespan | Designed for seat base in caravans |
| Price | € 541,99 | € 550,99 | € 550,99 | € 659,99 |
| Bluetooth (App) | ✔ Yes | ✔ Yes | ✔ Yes | ✔ Yes |
| Heating function | — | ✔ Yes (Below 0°C) | — | ✔ Yes (Below 0°C) |
| Cell Balancer | Passive Balancer | Passive Balancer | ⭐ Active Balancer | Passive Balancer |
| Dimensions (LxWxH) | 384 x 194 x 248 mm | 383 x 194 x 250 mm | 387 x 207 x 273 mm | 320 x 290 x 190 mm |
| Certifications | ECE R10 | ECE R10 | ECE R10 | ECE R10 |
| Under-seat installation | ✔ Optimal | ✔ Optimal | ⚠ Check first | ✔ Optimal |
| Installation position | Upright, horizontal & sideways | Upright, horizontal & sideways | Upright, horizontal & sideways | Upright |
| Removable handles | Yes | Yes | Yes | Yes |
| Max. charge current | 62,8A/200A | 62,8A/200A | 62,8A/200A | 62,8A/250A |
| Max. continuous discharge current |
200A | 200A | 200A | 250A |
| Peak discharge current | 210A±10A | 210A±10A | 220A±10A | 260A±40A |
| Weight | 27 kg | 27,95 kg | 27,35 kg | 30,75 kg |
European winters can be unforgiving, but your power supply doesn't have to suffer. Every model in our 12V 314Ah LiFePO4 battery series is equipped with a smart BMS featuring comprehensive low-temperature cut-offs.
Charging automatically stops if the temperature drops below 0℃ to prevent permanent cell damage.
Discharging temporarily pauses at temperatures below -20℃ to shield the chemistry, resuming seamlessly once safe operating temperatures are restored.
Installing a battery under a caravan seat base usually makes physical inspections a massive chore. With our integrated Bluetooth, you never have to disassemble your energy system to check.
Except for real-time data like SoC, voltage, current, cell temperatures, and remaining battery capacity, you can also protect your battery with password protection. By binding your account and your battery, you can rest assured that strangers will not operate your battery.
Need to power a heavy-duty workshop, a large yacht, or a residential backup system? Our 12V 314Ah LiFePO4 battery is engineered for flexible system expansion, supporting up to a 4P4S (4 Parallel, 4 Series) configuration.
16 pcs of 12V 314Ah LiFePO4 batteries can build a massive 48V 1256Ah bank, providing an incredible 64.31kWh energy, capable of running high-voltage off-grid residential setups or heavy-duty marine electrical networks with ease.
For those who brave the Alps or Nordic winters, our specialized self-heating models ensure you never lose charging capability.
Built-in thermal heating pads automatically activate when the ambient temperature drops below 5℃ and a charging current is applied. By warming the cells up to safe operational temperatures, the system ensures your battery charges continuously without pausing, guaranteeing worry-free energy in the coldest environments.
Cell imbalance is the silent killer of large-capacity battery packs. The 12V 314Ah Mini Super stands out with premium Active Balancing technology for a longer lifespan and maximum capacity.
The active balance minimizes cell-to-cell voltage variance, ensuring your battery pack operates at peak efficiency, extracts every single Ah of capacity, and lasts significantly longer over years of deep cycling.
WattCycle 12V 314Ah Mini Bluetooth Battery can be placed sideways. Its dimensions of L384 x W194 x H248 mm are extremely suitable for the narrow space of the motorhome yet provide much more usable energy.
Whether you’re preparing a powerful energy system in your campervan, storing energy for your boat on open waters, or setting up an outdoor portable power station, this battery offers complete flexibility in installation.
It can be safely mounted upright, sideways, or flat, ensuring stable performance and reliable power delivery in any position. No matter the environment, it adapts perfectly to your space and keeps your energy flowing without compromise.
We launched a 12V 314Ah version which is specially designed for European campervans.
The 12V 314Ah H190 Underseat is a direct drop-in battery.
Standing at a slim height of just 190mm, the 12V 314Ah Underseat model is custom-engineered to drop straight into the tight, upright seat base compartments of mainstream European vans (such as Fiat Ducato, Peugeot Boxer, and Citroën Jumper) without any modifications.
| Battery Technology | LiFePO4 |
| Terminals | M8 Bolts |
| Waterproof Rating | IP65 |
| Hazard class | 9 |
| Warranty | 5 Years |
| Nominal Voltage | 12,8V |
| Nominal/Usable Capacity | 314Ah |
| Energy | 4019Wh |
| Bluetooth | Yes, Bluetooth 5.0 |
| Monthly Self Discharge | ≤3%/Month |
| Series & Parallel Configurations | Max. 4 in Parallel, Max. 4 in Series |
| Overall Over-Charge Detection Voltage | 14,4±0,2V |
| Overall Over-Discharge Detection Voltage | 10±0,2V |
| Standard Continuous Charge Current | 62.8A (0.2C) |
| BMS High Temperature Cut-Off | Charge: 55℃±5℃ Discharge: 65℃±5℃ |
| BMS Low Temperature Cut-Off | Charge: 0℃±5℃ Discharge: - 20℃±5℃ |
| High Temperature Recovery | Charge: 50℃±5℃ Discharge: 60℃±5℃ |
| Low Temperature Recovery | Charge: 2℃±5℃ Discharge: -15℃±5℃ |
| Charging Temperature | 0℃-55℃ |
| Discharging Temperature | -20℃-60℃ |
| Storage Temperature | 0℃-45℃ |
Yes. Our 200 A BMS protects against charging or discharging in unsafe temperatures.
We recommend using a WattCycle LiFePO4 battery charger, which is specifically designed to meet the unique charging needs of LiFePO4 batteries. Alternatively, you can also charge the battery using photovoltaic solar panels through MPPT or use an inverter with a built-in AC to DC charging function.
Absolutely. LiFePO4 is the most stable lithium chemistry on the market. WattCycle cells are UL-certified and housed in an IP65-rated case. Our internal BMS guards against:
Yes—our 12V 314Ah LiFePO4 Battery is designed for seamless solar charging. Simply pair it with an MPPT charge controller and a 1.200W PV array to top up in one sunny day (≈4.5 hrs of peak sun).
Optimal Setup: A 1.200W solar panel bank feeding an MPPT regulator ensures efficient charging of your 12V 314Ah solar battery.
Charge Profile: MPPT controllers adjust voltage/current to maintain the ideal 14,2V – 14,6V range, protecting cell health and maximizing cycle life.
Scalable: Whether you’re building out 12V 314Ah batteries for solar panels in parallel or keeping it simple with one pack, the WattCycle system adapts—no special wiring or firmware tweaks required.
1. Recommended Storage Conditions
2. Recommended Charge Level During Storage
LiFePO4 batteries should be stored at a partial state of charge (SOC) between 50% and 80%.
Why Avoid Full Charge/Discharge?
Additional Tips:
Zero maintenance—no watering or equalizing. Just install, register your 7-year warranty, and enjoy consistent, long-lasting power for years to come.
