Rich Solar Alpha 4 & Alpha 4 Lite | 24V 100Ah LiFePO4 Smart Batteries
Choose the ultimate power depth for your off-grid system with the Rich Solar Alpha 4 Series (24V 100Ah). Engineered with a massive 2560Wh of high-density lithium iron phosphate energy, this series offers two distinct models tailored to your environmental needs: the premium weather-defying Alpha 4 and the streamlined, high-efficiency Alpha 4 Lite.
Both models deliver deep-cycle, long-lasting performance for remote workshops, RVs, vans, marine vessels, and residential backup solar arrays. Select your ideal variation above based on your climate and smart tracking preferences.
Quick Model Breakdown: Which One Do You Need?
- Rich Solar Alpha 4 (Premium): Designed for all-weather environments. Features built-in automatic internal self-heating to safely charge in sub-zero freezing temperatures down to -4°F, plus integrated Bluetooth monitoring to track battery health from your smartphone.





- Rich Solar Alpha 4 Lite (Streamlined): Optimized for climate-controlled spaces, mild weather, or inside cabins. It offers the exact same rugged 2560Wh power cells and 100A BMS protection, but strips out the heating elements and Bluetooth connectivity to give you premium performance at a lower price point.




Side-by-Side Comparison: Alpha 4 vs. Alpha 4 Lite
| Feature Spec | Alpha 4 (Premium) | Alpha 4 Lite |
|---|---|---|
| Cell Chemistry | LiFePO4 (Lithium) | LiFePO4 (Lithium) |
| Voltage / Capacity | 25.6V / 100Ah | 25.6V / 100Ah |
| Total Energy | 2560Wh | 2560Wh |
| Internal Self-Heating | Yes (Automatic under 41°F) | No |
| Smart Bluetooth | Yes (App Tracking) | No |
| Continuous Discharge | 100A | 100A |
| Cycle Life | 5,000+ Cycles | 5,000+ Cycles |
| Charging Temp Range | -4°F to 131°F (with heater) | 32°F to 131°F |
| Waterproof Rating | IP65 Sealed | IP65 Sealed |
| Weight | 48.5 lbs | 48.5 lbs |
| Dimensions | 20.9 x 8.1 x 8.5 in | 20.9 x 8.1 x 8.5 in |
Frequently Asked Questions
What is the primary difference between the Alpha 4 and Alpha 4 Lite?
The structural difference lies in environmental protection and monitoring. The premium Alpha 4 includes an automatic internal heating element for winter charging and built-in Bluetooth for real-time status tracking. The Alpha 4 Lite does not have these features but offers identical battery capacity, voltage, and life cycles.
Can I connect the Alpha 4 and Alpha 4 Lite together in the same battery bank?
No. For optimal safety and maximum lifespans, it is highly recommended to only match identical models in parallel or series strings. Do not mix the standard Alpha 4 with the Lite version within the same bank.
Do these batteries need a specialized charger?
Yes. To preserve your 5,000+ cycle life rating, you should use an off-grid charger, solar charge controller, or inverter configured specifically for a 24V Lithium Iron Phosphate (LiFePO4) profile.
How long will this 100Ah 24V battery run my fridge or appliances?
Runtime depends on what you're powering, but as a rule of thumb, divide the battery's rated watt-hours (voltage x amp-hours) by your device's wattage to estimate hours of runtime. A typical 12V RV fridge draws 40-60W, so a 100Ah battery can often run one for a full day or more between charges — check the exact capacity in the specifications above for a precise estimate.
Is there a display or app for this battery?
Monitoring on this range is generally through Bluetooth to a phone app rather than an onboard screen, reading directly from the battery's management system. The specifications above confirm whether this model includes it.
Will this battery charge in cold weather?
LiFePO4 chemistry has limited charge acceptance in freezing temperatures. Several Rich Solar Alpha batteries include internal self-heating elements to allow charging below freezing — check the specifications above for this model's rated charging temperature range before relying on it in cold climates.
What's the cycle life — how long will this battery last?
Rich Solar's LiFePO4 batteries are typically rated for thousands of deep cycles, commonly in the 4,000 to 7,000 range depending on model, which is far beyond what lead-acid manages. The exact rating for this battery is in the specifications above.
Is this a drop-in replacement for my lead-acid or AGM battery?
Yes, in most cases. This 24V LiFePO4 battery is built to the same physical form factor and voltage as comparable lead-acid/AGM batteries, so it typically drops into the same battery box or compartment while delivering more usable capacity and a longer lifespan.
Does it have a built-in Battery Management System (BMS) for safety?
Yes. Rich Solar LiFePO4 batteries include an internal BMS that protects against overcharge, over-discharge, short circuits, and temperature extremes, which is part of why they're considered safer than lead-acid for enclosed spaces.
What size charger or solar controller do I need to charge this battery?
Use a charger or solar charge controller rated for 24V LiFePO4 batteries specifically (not a generic lead-acid profile) so the charging voltage and absorption curve match this chemistry. Match the controller's max charge current to the battery's rated capacity.
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