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WattCycle 5.12kWh 48V 100Ah Wall-Mount LiFePO4 Battery – Bluetooth Monitoring & Active Balancing| RS485/CAN
Winter Thank You Flash Sale Ends In:
- 5.12kWh Reliable Energy Storage: 51.2V 100Ah capacity with BYD Grade A LiFePO₄ cells, delivering 6,000+ cycles and up to 12 years of dependable service.
- 3A Active Balancing: Keeps cell voltages balanced for consistent capacity, efficiency and long-term battery health.
- Smart 100A BMS: Protects against overcharge, over-discharge, overcurrent, short circuit and temperature extremes, with a discharge range of -20°C to 60°C.
- Bluetooth & Touchscreen Monitoring: Check voltage, current, temperature and battery status through the Bluetooth App, LCD touchscreen and LED capacity indicator.
- Space-Saving Wall-Mount Design: Compact 398 × 200 × 625 mm design | 45 kg. Wall-mounted or securely positioned against a wall to save floor space.
- Flexible 48V System Integration: RS485 and CAN communication for compatible 48V inverter/chargers. Supports 50A standard charging, up to 100A maximum charging and parallel expansion.
- Ideal for Australian Power Needs: Suitable for home solar storage, essential-load backup, off-grid and rural homes, farms, cabins, tiny homes, workshops and compatible 48V caravan/RV systems. A compatible inverter/charger is required.
- Tested & Documented: Test and compliance documentation is available for IEC 62619, UL 1973, UN38.3, CE-EMC, FCC SDoC, RoHS and PSE.
- 5+2-Year Warranty: Includes a 5-year warranty, extendable to 7 years after product registration, plus lifetime customer support and free Australian shipping. Remote-area surcharges may apply.
- Quick Choice: Choose 1 battery for essential backup, 2 for 10.24kWh, or 3 for 15.36kWh. Choose the 16.07kWh model if you need around 15kWh in one cabinet with fewer connections.
Australian Installation Note: For residential or grid-connected systems, installation should be completed by a licensed professional. Please confirm inverter compatibility, local requirements, CEC product-list status and rebate eligibility before purchase.
Free local shipping for all orders, except some areas need extra shipping cost.
Our batteries come with a 5-year warranty, which can be extended to 7 years total upon product registration. Accessories are covered by a 1-year warranty, and like-new (refurbished) batteries include a 1-year warranty.
For full terms, conditions, and claim details, please visit:
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Fast, Free Shipping
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LiFePO4 Smart Home Storage Specifications
| Model | 48V 100Ah Smart Home Storage | 48V 314Ah Smart Home Storage |
|---|---|---|
| Battery Mode | LiFePO4 Battery | |
| Battery Capacity | 5.12kWh | 16.07kWh |
| Internal Resistance | ≤ 13.9mΩ | ≤ 13.9mΩ |
| Single Cell Capacity | 100Ah | 314Ah |
| Rated Operating Voltage | 51.2V | 51.2V |
| Standard Input Current | 50A (Max.100A) | 150A (Max.305A) |
| Standard Output Current | 50A (Max.100A) | 150A (Max.305A) |
| Overcharge Protection | 58.4V | |
| Overcharge Protection Recovery | 53.6V | |
| Overdischarge Protection | 40V | |
| Overdischarge Protection Recovery | 47.2V | |
| Charging Overcurrent Protection | 110±10A/10s | 310±10A/10s |
| Discharging Overcurrent Protection | 120±10A/10s | 310±10A/10s |
| Internal Resistance Recovery Methods | a. Remove the Charger; b. Remove Loads | |
| Power Delivery | 60% | |
| Equalization | Active equilibrium | |
| Parallel Capability | Up to 15 units | |
| Power Failure Self-Consumption | ≤300uA | |
| Communication Protocol | RS485, CAN | |
| Recommend Charging Temperature | 0°C to 55°C / 32°F to 131°F | |
| Recommend Discharging Temperature | -20°C to 60°C / -4°F to 140°F | |
| Dimensions (L×W×H) | 15.67 x 7.87 x 24.61 inch 398 x 200 x 625 mm | 17.72 x 9.45 x 34.65 inch 450 x 240 x 880 mm |
| Weight | 99.21 lbs / 45kg | 253.53 lbs / 115kg |
b. Remove Loads
398 × 200 × 625 mm
b. Remove Loads
450 × 240 × 880 mm
WattCycle 5.12kWh 48V Home Battery FAQs
One WattCycle 5.12kWh 48V 100Ah LiFePO₄ battery is a practical choice for essential backup loads or a small off-grid solar system. Depending on the total load and inverter capacity, it can support appliances such as refrigerators, lights, Wi-Fi equipment, TVs and computers.
Quick Choice:
- Choose 1 battery for essential backup or a small cabin.
- Choose 2 batteries for 10.24kWh of storage.
- Choose 3 batteries for 15.36kWh of storage.
- Choose the 16.07kWh floor-standing battery if you need approximately 15kWh from the beginning and prefer one cabinet with fewer connections.
High-demand appliances such as air conditioners, heaters, pumps and induction cooktops require professional load assessment.
Runtime depends on the combined average load. Based on the nominal 5.12kWh capacity:
- 500W average load: up to approximately 10 hours
- 1,000W average load: up to approximately 5 hours
- 2,000W average load: up to approximately 2.5 hours
Actual runtime will be lower after allowing for inverter efficiency, battery settings, temperature and system losses.
The technical specification lists a 50A standard output and 100A maximum output. Actual AC power and appliance start-up capability also depend on the connected inverter.
This battery requires a compatible 48V/51.2V inverter-charger, which is sold separately. It supports CAN and RS485 communication, but this does not guarantee compatibility with every inverter.
Compatibility depends on the inverter’s voltage range, communication protocol, firmware, charging settings and cable pin configuration. Please send us your inverter brand and exact model before ordering so our team can help confirm compatibility.
For grid-connected or rebate-related installations, ask your installer to verify current product, inverter and local approval requirements before purchase.
Yes. The modular design allows you to start with 5.12kWh and connect up to 15 matching batteries in parallel, providing a maximum nominal capacity of 76.8kWh.
For reliable parallel operation, use the same battery model with similar voltage and state of charge. Correctly sized cables, busbars, fuses, DC isolation and compatible inverter settings are required.
Choose this 5.12kWh model if you prefer a lower initial investment and gradual expansion. Choose the 16.07kWh model if you already know that you need approximately 15kWh or more.
With the standard 50A charging current, a near-empty 100Ah battery takes approximately 2–3 hours to recharge under suitable conditions. A 58.4V 15A charger requires approximately 7–8 hours, while charging near the 100A maximum may take approximately 1–1.5 hours.
Actual charging time depends on the charger or inverter output, starting SOC, temperature and BMS charging strategy.
The battery measures 398 × 200 × 625mm and weighs approximately 45kg. It can be wall-mounted or securely lean-mounted, but the supporting structure, cables and protection equipment must be suitable for its weight and current. Professional installation is strongly recommended.
Battery status can be viewed through the Bluetooth App and LCD touchscreen. A 5-year warranty, extendable to 7 years after registration, is included subject to the warranty terms.
