

Overview — Renogy REGO 12V 400Ah Lithium Iron Phosphate Battery w/ Renogy ONE (RBB12400LFPL-0140SR-US)
Save Over 30% Installation Footprint, More Powerful than Ever
Replacing four pieces of 12V 100A lithium batteries with one REGO 12V 400A lithium battery, not only provides you 5.12kWh massive storage capacity but will also save you more than 30% of the installation footprint.
Extremely Simplified Connection, Expandable Capacity
The REGO battery has integrated parallel cables, simplifies the wiring process, and allows you to use the easiest plug-and-play way to connect with the REGO battery hub box for system expansion. Up to 8 batteries can be connected in parallel, offering a total capacity of up to 40KWh. *Please kindly noted that the battery hub box needs to be purchased separately. One hub box can connect up to 3 batteries.
1.5H Fast Charging, More Stable Performance
The REGO battery manufactured with automotive-grade battery cells and with intelligent BMS guarantees faster charging with more stable performance and longer life. The maximum continuous charging current can be up to 300A, which allows the battery to be fully charged in 1.5 hours. Assuring your electricity needs all the time.
Visualized LED Indicators,Identify the Battery Status Easily
The colorful LED indicators on the top of the battery can visualize the battery level, battery status, and heater status. Identify everything you need to know about the battery with a single glimpse, no more guesswork, and energy anxiety.
Built-in Bluetooth Module, Monitor Your Battery with App
The REGO 12V 400Ah lithium battery with the built-in Bluetooth module, no extra external Bluetooth required, allows you to monitor the battery status through Renogy DC Home App by cellphone. And now you can get the Renogy ONE for FREE. Only for Christmas Sale!
IP65 Waterproof Design, Applicable to More Scenarios
The REGO battery with IP65 rating waterproof design applies to more scenarios such as yacht, marine and outdoor, etc. The lids that use die casting technology have a much higher tolerance for extreme temperatures and better electrical properties and are more durable and stable compared to plastic parts, giving the battery full protection against dust and other particulates.
Resources — Renogy REGO 12V 400Ah Lithium Iron Phosphate Battery w/ Renogy ONE (RBB12400LFPL-0140SR-US)
Documents — Renogy REGO 12V 400Ah Lithium Iron Phosphate Battery w/ Renogy ONE (RBB12400LFPL-0140SR-US)
📙 Manual — Renogy Lithium Batteries (RBB12400LFPL-0140SR-US) 🎖️ Warranty — Renogy Lithium Batteries (RBB12400LFPL-0140SR-US)Warranty — Renogy REGO 12V 400Ah Lithium Iron Phosphate Battery w/ Renogy ONE (RBB12400LFPL-0140SR-US)

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Specs — Renogy REGO 12V 400Ah Lithium Iron Phosphate Battery w/ Renogy ONE (RBB12400LFPL-0140SR-US)
Battery Type | Lithium Iron Phosphate |
Rated Capacity | 400Ah |
Nominal Voltage | 12.8V |
Energy | 5120Wh |
Cycle Life(0.5C,25℃) | 3800 Cycles at 80% DOD |
Connection Method | Parallel (Up to 8) |
Automatically Self-heating Function | No |
Dimensions | 18.0 x 13.0 x 10.5 inch (457 x 329 x 267.2 mm) |
Weight | 112.4 lbs. (51 kg) |
Protection Rate | IP65 |
Housing Material | Die Cast Aluminum/Extruded Aluminum |
Charge Voltage | 14.4V |
Maximum Charge Current | 300A |
Charge Cut-off Voltage | 14.4V |
Maximum Continuous Discharging Current | 350A |
Discharge Cut-off Voltage | 10V |
Standard Operation Temperature | Recommended: 59~86 ℉ / 15~30℃ |
Storage Temperature | Less Than 1 Week: -22°F~140°F (-30°C~60°C) Less Than 6 Months: -4°F~113°F (-20°C~45°C) |
Charge Temperature | 32~131℉ / 0~55℃ |
Discharge Temperature | -4~131℉ / -20~55℃ |
Built-in Bluetooth | Yes |
Communication Port | No |
Material and workmanship warranty | 5 Year |
MSDS, UN38.3, FCC | Yes |
Length | 1FT |
Gauge(Wire Size) | 4/0 AWG |
Terminal Size | 3/8in |
Max Current | 405A |
Rating Voltage | 600v |
Temperature | -40℃-150℃/-40℉-221℉ |
AH | 400 AH |
Voltage | 12V |