Dyness AR1.2 12V100AH TC Group 31 LiFePO4 Battery, 100Ah, 100A BMS
Product description
For an RV, solar setup, or off-grid system that needs a 12V battery, the Dyness AR1.2 pairs a 100Ah capacity with a built-in 100A BMS. Its 1,280Wh of energy gives you a clear capacity reference when planning a battery bank.
If your priority is fitting a battery into a compact space, the Group 31 format measures 13.00 × 6.77 × 8.43 inches and weighs 21.8 pounds. For a larger storage setup, the battery can be connected with up to four units in series and four in parallel.
The LiFePO4 chemistry, low-temperature charging protection, and protective BMS make it suited to varied applications, from RV and camping power to solar and home energy storage. Choose a single battery for a straightforward 12V installation, or plan a multi-battery bank for a larger system.
Tech specs
- Name: Dyness AR1.2
- Model: 12V100AH TC
- Type: LiFePO4 lithium battery
- Format: Group 31
- Rated capacity: 100Ah
- Nominal voltage: 12.8V
- Energy: 1,280Wh
- BMS: Built-in 100A
- Dimensions: 13.00 × 6.77 × 8.43 inches
- Weight: 21.8 pounds
- Cycle life: 4,000+ deep cycles
- Protection: Low-temperature charging protection, BMS protection against overcharging, over-discharging, overcurrent, overheating, and short circuits
- Rating: IP65
Everyday use
The 100A BMS manages key electrical protections, including overcurrent and short-circuit protection, while the IP65 rating is relevant for setups where dust and water exposure are a consideration. For cold-weather operation, charging automatically disconnects below 32°F and resumes at 41°F. The battery also cuts off power at -4°F.
For charging, Dyness recommends a charger designed specifically for LiFePO4 batteries and a 0.2C recharge rate for battery health. This makes charger selection an important part of planning an RV, solar, or off-grid installation. The 12.8V rating and 100Ah capacity also give you useful figures when matching the battery to the requirements of your system.
A buyer-feedback summary highlights off-grid and trolling-motor use as applications customers appreciate. Feedback on charging is mixed, so following the recommended LiFePO4 charging approach is a practical part of setup.
Who it’s for
This battery suits RV owners, campers, boaters, and off-grid users planning around a 12V LiFePO4 battery. It can also serve in solar systems and home energy storage. Compared with choosing a single battery for a compact installation, connecting multiple units in series or parallel provides an option for building a larger bank, follow the system’s electrical requirements when planning that configuration.
Practical questions
What can this battery be used for? It is intended for RVs, camping, solar systems, off-grid living, boating, and home energy storage. Match the battery to the voltage and capacity requirements of the equipment and system you are setting up.
What charger should I use? Dyness recommends a LiFePO4-specific charger and a 0.2C recharge rate for battery health. Using a charger intended for this battery chemistry helps align charging with the product’s guidance.
How does it handle cold temperatures? Charging disconnects below 32°F and resumes at 41°F. The battery also cuts off power at -4°F, providing temperature-related protection for cold-weather installations.
Final verdict
The Dyness AR1.2 brings together a 100Ah capacity, 1,280Wh of energy, a built-in 100A BMS, and low-temperature charging protection in a Group 31 form factor. It is a practical fit for customers planning 12V power for an RV, solar installation, or off-grid setup, with the option to expand into a multi-battery bank.