【⚡ Pre-order】WattCycle 12V 100Ah Mini LiFePO4 Battery

Battery runtime is influenced by multiple factors, including battery capacity, connected load, and the battery’s condition. For example, a new battery performs better than a used one, as its capacity slightly decreases with repeated charge cycles. However, you can estimate runtime using a simple formula based on power consumption and battery capacity:

Runtime (hours) = Battery Capacity (Wh) / Total Device Power Consumption (W)

Example:
If you have a 12V 100Ah battery and connect a 50W lamp and a 50W speaker, the runtime will be:
1280Wh / (50W + 50W) = 12.8 hours

This straightforward formula helps estimate runtime under different loads. Always consider real-world factors like temperature and battery ageing for more accurate predictions.

To charge a WattCycle battery, you must use a dedicated LiFePO4 charger, such as the WattCycle 14.6V 20A charger. Conventional chargers may not provide the precise charging parameters required for LiFePO4 battery conditions, and LiFePO4 batteries have unique charging characteristics.

WattCycle LiFePO4 Batteries are straightforward to charge. The following 3 charging methods are recommended by WattCycle:

1. Dedicated 12V LiFePO4 Battery Chargers

• Charging Recommendations:
• Recommended Charging Voltage: 14.6V ± 0.2V
• Recommended Charging Current:
• 20A (0.2C): Charges the battery to 100% capacity in approximately 5 hours.

2. Solar Panel & Solar Charge Controller

• Harness solar energy! With 4.5 hours of effective sunlight per day, a 400W solar panel system can fully recharge your battery in a single day.
• Solar Panel Flexibility: Larger solar panels (e.g., over 400W) can also charge your battery, though charging times may vary depending on sunlight intensity and duration.
• Critical Component: Always use a solar charge controller to regulate voltage and protect the battery.

3. DC-DC Generator/Alternator
Compatible Power Source is Key:
Ensure your generator or alternator has a DC output. In this case, a DC-DC charger is required to connect it to the battery.
AC Output Option: If your generator/alternator uses an AC output, refer to our recommendations for a compatible battery charger to interface with your battery.

Charging Recommendations:

• Recommended Charging Voltage: 14.6V ± 0.2V
• Recommended Charging Current:
• 20A (0.2C): Charges the battery to 100% capacity in approximately 5 hours.

To charge a 12V 100Ah lithium battery from 100% depth of discharge in 4.5 peak sun hours, approximately 400 watts of solar panels and an MPPT charge controller are required.

Size Comparison:

• 12V 100Ah Standard Battery Dimensions: L260 × W168 × H209mm
• 12V 100Ah Mini Battery & 12V 100Ah Mini Bluetooth Battery Dimensions: L229 × W138 × H208mm

Functional Differences:

• 12V 100Ah Standard Battery & 12V 100Ah Mini Battery:
  Low-Temperature Protection: Automatically stops discharging when temperatures drop below -20°C to prevent damage.
  No Bluetooth Connectivity.
  
• 12V 100Ah Mini Bluetooth Battery:
  Low-Temperature Protection: Same as above.
  Bluetooth Monitoring: Allows real-time tracking of battery status (e.g., voltage, charge level, temperature) via a smartphone app.

Absolutely not! For safely connecting WattCycle LiFePO4 batteries in series or parallel, four strict rules must be followed:

• Same Brand (Manufacturer)
• Same Voltage (12V)
• Same Current (Capacity: 100Ah)
• Purchased Within 6 Months

Why Mixing Different Models Is Unsafe:

• Even if two batteries are labeled "12V 100Ah," different models may have variations in internal resistance, cell chemistry, or BMS (Battery Management System) behavior.
• These differences can cause imbalanced charging/discharging, leading to overheating, reduced efficiency, or permanent damage.

Due to this mini battery's height of 208mm, you cannot place it vertically upright under a caravan seat. Instead, you will need to position the battery sideways (switching the height to 138mm).

20.48kWh! You can connect 16 WattCycle 12V 100Ah Mini deep cycle batteries in a 4S4P configuration (4 in series, 4 in parallel) to create a 48V 400Ah battery system. This system can continuously discharge 400A and deliver 20.48kWh of energy, making it ideal for home energy storage or high-demand off-grid applications.