ECO-WORTHY 12V 280Ah LiFePO4 Bluetooth Metal Case
$799
Key Specs
| capacity | 280Ah |
| voltage | 12V |
| chemistry | LiFePO4 |
| weight | 54.7 lbs |
| dimensions | 20.9 x 6.9 x 8.7 in |
| bms | 100A integrated |
| case | Metal |
| warranty | 5 years |
Pros
- ✓ 280Ah capacity delivers 3,584Wh — enough for serious off-grid power needs
- ✓ Rugged metal case provides durability in demanding installations
- ✓ Bluetooth monitoring for real-time SOC, voltage, and current
- ✓ 100A BMS handles significant continuous loads
Cons
- ✗ Heavy at approximately 55 lbs — two-person installation recommended
- ✗ Larger footprint requires planning; won't fit standard Group 31 trays
Detailed Review
Overview
When 100Ah isn’t enough, the jump to 280Ah changes what’s possible off the grid. The ECO-WORTHY 12V 280Ah LiFePO4 battery with Bluetooth and metal case is built for installations that need substantial energy storage — full-time RV living, remote cabin solar banks, marine house circuits for extended passages, and large van conversions with high-draw appliances like air conditioning and induction cooktops.
The metal case sets this battery apart from the plastic-encased alternatives in the 280Ah class. For installations in engine compartments, exterior battery boxes, or locations subject to mechanical stress and vibration, the added structural rigidity of a metal enclosure provides meaningful long-term durability. It’s heavier as a result, but the trade-off is appropriate for permanent installations.
Key Features
The built-in Bluetooth module connects to the ECO-WORTHY app, providing real-time monitoring of state of charge, voltage, current draw, and internal temperature. At 280Ah, understanding your actual consumption and charge state is more important than ever — the app makes that easy without additional hardware investment.
The 100A continuous BMS is sized for substantial loads, supporting inverters up to approximately 1,200W continuous. Four prismatic LiFePO4 cells are connected in series inside the metal enclosure, with passive balancing maintaining cell alignment through thousands of cycles. Rated cycle life is 4,000 full cycles, providing decades of usable life in most applications.
Performance and Capacity
At 280Ah and 12.8V nominal, this battery stores 3,584Wh — nearly three times the capacity of a 100Ah unit. In practical terms, this means running a 12V compressor fridge (40-50W average) for nearly three days without recharging, powering a 1,000W inverter for over three hours continuously, or supporting an extended off-grid camp with lighting, fans, and device charging for multiple days between solar inputs.
The flat LiFePO4 discharge curve is maintained even at the higher capacity, delivering consistent voltage to loads from 100% to below 10% SOC. Charge acceptance up to 100A means a 200W solar panel array can contribute meaningfully even on partially cloudy days.
Who It’s For
The ECO-WORTHY 280Ah is the right choice for buyers who have outgrown 100Ah and need a single-battery solution for serious power demands. Full-time RVers, remote cabin owners, and liveaboard boaters who want Bluetooth monitoring and the durability of a metal enclosure will find this battery hits the right balance of capacity, connectivity, and build quality.
