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12V Lithium Battery · LiFePO4 · Bluetooth
The ALPHA 2 is Rich Solar's core 12V 200Ah LiFePO4 battery — rated for 5,000+ cycles with Bluetooth real-time monitoring and internal self-heating for cold-weather charging, sized for RVs, trailers, vans, boats, and off-grid use.
The ALPHA 2 is the standard model in Rich Solar's ALPHA 2 series, built around a 12.8V 200Ah LiFePO4 pack rated for 5,000+ charge cycles. It includes both Bluetooth real-time monitoring and internal self-heating technology — the same core feature set as the ALPHA 2 PRO, without the PRO's higher cycle rating and 200A charge/discharge ceiling.
It's built for anyone who wants dependable, connected power for an RV, trailer, van, or boat, with the option to step up to the ALPHA 2 PRO for higher continuous current or step down to the ALPHA 2 LITE for a simpler, more affordable pack.
Battery
| Battery type | LiFePO4 (LFP) |
| Nominal voltage | 12.8 V |
| Nominal capacity | 200 Ah |
| Nominal energy | 2,560 Wh |
| Cycle life (25°C ± 2°C) | ≥ 5,000 cycles |
Charging & Discharge
| Charging voltage | 14.4 V |
| Discharging cutoff voltage | 11.2 V |
| Standard charging current | 50 A |
| Maximum charging current | 100 A |
| Standard discharge current | 50 A |
| Continuous discharge current | 100 A |
| Maximum discharge current | 100 A |
| Monthly self-discharge rate | ≤ 5% |
Charging Current by Temperature
| Battery Temperature | Max. Charging Current |
|---|---|
| 32°F–50°F (0°C–10°C) | 30 A |
| 50°F–68°F (10°C–20°C) | 50 A |
| 68°F–104°F (20°C–40°C) | 100 A |
| 104°F–131°F (40°C–55°C) | 30 A |
Temperature Performance
| Discharge temperature | -4°F to 140°F (-20°C to 60°C) |
| Storage temp (<1 month) | -22°F to 131°F (-30°C to 55°C) |
| Storage temp (>3 months) | 14°F to 113°F (-10°C to 45°C) |
| Recommended storage temp | 14°F to 95°F (-10°C to 35°C) |
Physical & Certification
| Weight | 48.50 lbs |
| Dimensions (L×W×H) | 20.9 × 8.1 × 8.5 in |
| Shell material | Plastic (UL94 V-0 flame retardant) |
| Protection rating | IP65 |
BMS Protection
| Over-charge detection (cell) | 3.65V ± 0.05V |
| Over-charge recovery (cell) | 3.55V ± 0.10V |
| Over-discharge detection (cell) | 2.50V ± 0.10V |
| Over-discharge recovery (cell) | 3.00V ± 0.10V |
| Over-current charge protection | 110A ± 5A |
| Over-current discharge (primary) | 110A ± 5A |
| Over-current discharge (secondary) | 350A ± 90A |
| Heating function power | 100 W |
All three share the same 12V 200Ah LiFePO4 chemistry. The standard ALPHA 2 includes Bluetooth monitoring and self-heating (which the LITE lacks), but has a lower 100A max charge/discharge current and 5,000+ cycle rating compared to the PRO's 200A and 7,000+ cycles.
Real-time battery operation status reported to a mobile device via the built-in Bluetooth module, so the battery can be checked without a separate remote display.
Yes — internal self-heating is built in, with charging current also automatically reduced at low and high temperature extremes to protect the cells.
Yes — maximum charging current varies by battery temperature, from 30A near freezing, up to 100A in the 68°F–104°F range, then back down to 30A above 104°F.
Rich Solar's product page for this battery doesn't list a specific warranty term — check their warranty page or contact their support team directly for current coverage details.
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