LiTime is dedicated to providing stable, safe, and sustainable LiFePO₄ energy systems for camping, RVs, boat fishing, off-road, and off-grid applications. The “Li” honors the pioneers of lithium technology and their spirit of innovation, while “Time” symbolizes our promise across generations – to provide clean energy that reliably accompanies outdoor adventurers on their journeys.
LiTime places the highest importance on technical safety and strict quality control. Every battery is equipped with an intelligent BMS protection system that reliably prevents overcharging, deep discharge, short circuits, and temperature deviations. All products are tested multiple times to ensure stable performance even under extreme conditions – heat, cold, or vibration.
We offer a warranty of up to 5 years on all LiFePO₄ products, as well as technical support with response times within 12 hours. Whether you need installation instructions, application recommendations, or after-sales support – our team is always at your side with professional help.
LiTime believes: Respect for innovation, persistence in quality, and long-term service are the foundation of every worry-free journey.
LiTime 12V 50Ah LiFePO₄ Battery – Technical overview with voltage, capacity, BMS protection, IP65, and key benefits for camping, boating, and solar.
The LiTime 12V 50Ah LiFePO₄ battery is a compact, safe, and durable energy source for camping & Cavarans, boats, and off-grid solar systems. In the 38L housing, it replaces lead/AGM batteries with higher usable capacity, lower weight, and ≥4000 cycles.
LiTime 12V 50Ah LiFePO₄ – Standard Version
| Item | Specification |
|---|---|
| Cell | Prismatic LiFePO4 Battery |
| Nominal Voltage | 12.8V |
| Rated Capacity | 50Ah |
| Energy | 640Wh |
| Internal Resistance | ≤40mΩ |
| Cycle Life | 4000 times (25°C, 0.2C, 100% DOD) |
| Battery Management System (BMS) Board | 50A |
| Charge Method | CC/CV |
| Charge Voltage | 14.4V ± 0.2V |
| Recommend Charge Current | 10A (0.2C) |
| Max. Continuous Charge Current | 50A |
| Max. Continuous Discharge Current | 50A |
| Max. Discharge Current 5 Seconds | 100A |
| Max. Continuous Output Power | 640W |
| Dimension | L7.79" × W6.53" × H6.69"；198 × 166 × 170 mm |
| Housing Material | ABS (Flame Retardant Plastic) |
| Protection Class | IP65 |
| Temperature Range | Charge: 0°C–50°C / 32°F–122°F；Discharge: -20°C–60°C / -4°F–140°F；Storage: -10°C–50°C / 14°F–122°F |
After understanding the LiTime brand and product features, the next step is installation. To ensure safe and efficient installation, this section helps you prepare the necessary tools and check the condition of the battery before connection. Good preparation prevents damage from reversed polarity or loose connections.
Required tools
| Tool type | Tool name | Purpose |
|---|---|---|
| Basic equipment | Phillips screwdriver / wrench | To tighten battery terminals and brackets |
| Electrical tool | Multimeter | For voltage measurement and polarity check |
| Cables & wiring | Copper cable (min. 6 AWG) | To connect battery, charger, and load |
| Accessories | Electrical tape / cable ties | For protection and fixation of wiring |
| Safety equipment | Insulated gloves / safety glasses | To avoid short circuits and electrical hazards |
Note: For serial or parallel connection, identical batteries with the same capacity and same state of charge must be used. Prepare suitable connection cables and terminals in advance.
Check before installation
Ready for installation
Once all tools and checks are completed, you can start the connection according to the “Quick Start PDF” or the next chapters. Make sure all terminals are tightly fastened, no cables are too thin or too long, and the number of connections complies with the technical specifications.
After completing the checks of tools, environment, and battery condition, we now proceed to the actual installation and commissioning.
Step-by-step instructions for connecting LiTime 12V 50Ah LiFePO₄ batteries – safety, voltage equalization, series and parallel connection with correct polarity.
Standard wiring (12 V system)
LiTime also provides official video guides to avoid installation errors and visually support the process.
Continue with Part 5: Maintenance & Storage – recommended cycle care, SOC management, and error prevention for long periods of non-use.
Charging methods and parameters of the LiTime 12V 50Ah LiFePO₄ battery – CC/CV charging principle, recommended voltages, currents, and temperature limits for AC, DC-DC, solar, and inverter charging
Connection and basic functions are set up. This chapter describes the charging strategies and settings for the LiTime 12V 50Ah LiFePO₄ (38L housing) in typical scenarios: AC charger, DC-DC in vehicle/boat, solar MPPT/PWM, inverter with charger function – for efficient and stable charging in camping/RV, marine/trolling motor, and off-grid solar use.
Open-circuit voltage method (battery at rest ≥ 3 h):
| Voltage (V) | SOC (approx.) |
|---|---|
| 13.33 | ≈ 100% |
| 13.2–13.3 | ≈ 75% |
| 13.1–13.2 | ≈ 50% |
| 13.0–13.1 | ≈ 25% |
| 10–12 | ≈ 0% |
Influencing factors: Load and temperature distort measurements; resting voltage is more meaningful.
Monitoring: Use Bluetooth BMS/app for live values (U/I/SOC/cycles), especially for marine/trolling motor setups.
| Symptom | Possible cause | Action |
|---|---|---|
| No charging / 0 V | BMS protection active | Disconnect system, wait 30 min, then use charger with 0 V activation |
| 14.6 V reached but missing capacity | Residual current not considered / excessive voltage drop | Check cable cross-section/crimping, harmonize parameters, use residual current criterion |
| Charging blocked in cold | Low-temp protection | Warm/insulate battery, then charge again |
| Very slow charging | Low PV power / line losses | Increase PV, optimize wiring/controller range |
| Permanently high voltage (float) | Float not deactivated | Deactivate float or set to 13.4–13.6 V |
Maintenance and storage of the LiTime 12V 50Ah LiFePO₄ battery – recommended SOC/voltage table, temperature and storage conditions, maintenance intervals, and 0 V reactivation note.
The LiTime 12V 50Ah LiFePO₄ battery is largely maintenance-free; however, proper care and storage significantly extend its service life. This section describes recommended maintenance cycles, SOC strategies, and storage conditions for different application scenarios.
| Voltage (open circuit) | Estimated SOC | Recommended action |
|---|---|---|
| 13.3 V | ≈ 100% | Too high for storage → discharge slightly |
| 13.1–13.2 V | ≈ 50–60% | Optimal for long-term storage |
| 12.8–13.0 V | ≈ 30–40% | Slightly recharge before storage |
| < 12.5 V | < 20% | Charge immediately to avoid deep discharge |
Fault diagnosis and recovery of the LiTime 12V 50Ah LiFePO₄ battery – BMS protection, diagnostic and recovery steps with 0 V charger and solar activation
The LiTime 12V 50Ah LiFePO₄ battery is equipped with an intelligent BMS (Battery Management System) that provides multiple protection levels for voltage, current, and temperature. This chapter explains the protection functions and shows how to interpret and resolve typical error symptoms.
| Voltage (open circuit) | Estimated SOC | Recommended action |
|---|---|---|
| 13.3 V | ≈ 100% | Too high for storage → discharge slightly |
| 13.1–13.2 V | ≈ 50–60% | Optimal for long-term storage |
| 12.8–13.0 V | ≈ 30–40% | Slightly recharge before storage |
| < 12.5 V | < 20% | Charge immediately to avoid deep discharge |
| Symptom | Probable cause | Recommended action |
|---|---|---|
| Battery shows 0 V | BMS deep-discharge protection active | Use charger with 0 V function, charge for 30 min |
| Charger does not start | Polarity reversed / voltage too low | Check polarity, if needed provide 12 V reference |
| Voltage drops quickly under load | Cables too thin / corrosion / high load | Check cable cross-section, clean contacts |
| Temperature warning | Ambient > 60°C / direct sunlight | Shade battery, improve ventilation |
| Bluetooth app shows no connection | Smart BMS deactivated / signal shielded | Enable Bluetooth within 3 m, keep battery active |
| Battery does not charge in winter | Low-temp charge blocked | Warm battery, wait until temperature > 5°C |
| Permanently high voltage (15 V+) | Charger not set to LiFePO₄ | Switch mode to “LiFePO₄” / 14.6 V |
| Application scenario | Recommended combination | Notes / compatibility | Direct links |
|---|---|---|---|
| Basic camping / maintenance charging (shore power) | 14.6 V 10 A charger (gentle) + 500 A battery monitor (optional) | 10 A ≈ 0.2 C – gentle on battery; size cable cross-section for <3% voltage drop. Monitor shows U/I/SOC live. | Charger: 14.6 V 10 A (IP65) |
| Fast full charge in the evening (shore power) | 14.6 V 20 A charger (rapid) + 500 A battery monitor (optional) | 20 A ≈ 0.4 C – 2–3 h for typical daily recharge; good ventilation, cross-section ≥ 8–10 AWG (depending on length). | Charger: 14.6 V 20 A |
| Charging while driving (without PV) | 12 V→12 V 40 A DC-DC charger (model with MPPT input, usable without PV) | Protect near battery positive (ANL/circuit breaker). Clean cable routing/separation between engine compartment and living area, sufficient cooling. | / |
| PV as main energy source (small/medium) | 30 A MPPT (Bluetooth) + 14.6 V 10–20 A shore charger (backup for bad weather) | PV ≥ 150–300 W recommended; MPPT: Absorption/CV 14.4–14.6 V; Float 13.4–13.6 V or off. | Charger: 14.6 V 20 A / 14.6 V 10 A |
| Hybrid: drive charging + PV at standstill | 40 A DC-DC (driving) + 30 A MPPT (standstill/PV) + 10–20 A shore charger (backup) | Multiple charging paths in parallel: standardize voltage limits; observe on/off sequence; protect each segment near battery. | Charger: 14.6 V 20 A |
| Small AC loads (≤ 500 W continuous) | Pure sine wave inverter ≤ 600 W + 10–20 A charger or 30 A MPPT | Single 50 Ah battery: continuous current ≤ 50 A ⇒ DC ≈ 600 W. Suitable for small consumers; dimension cable size & protection. | / |
| Higher AC power (microwave, heating loads, etc.) | ≥ 2 identical 12 V 50 Ah in parallel or higher capacity + pure sine inverter 1000 W / 2000 W / 3000 W (as needed) | 1000 W ≈ 80–90 A DC; 2000 W ≈ 170–190 A DC – requires large cross-sections, busbars & protection. Not recommended with only 1× 50 Ah. | / |
Selection & protection notes:
| Spec | 12V 50Ah LiFePO4 | 12V 100Ah Mini LiFePO4 | 12V 100Ah Group 24 Bluetooth LiFePO4 |
|---|---|---|---|
| Nominal Voltage | 12.8V | 12.8V | 12.8V |
| Rated Capacity | 50Ah | 100Ah | 100Ah |
| Energy | 640Wh | 1280Wh | 1280Wh |
| Recommended Charge Current | 10A (0.2C) | 20A (0.2C) | 20A (0.2C) |
| Weight (Approx.) | 5.25kg | 8.6kg | 9.9kg |
| Size (L×W×H) | 19.8×16.6×16.9 cm | 26×13.3×22.7 cm | 26×16.7×21 cm (Group 24 size) |
| Low-Temp Charge Protection | Not listed in SPECS | Not listed in SPECS | Yes (32℉/0℃) + auto recovery (41℉/5℃) |
| Bluetooth | Not listed | Not listed | Yes (Bluetooth monitoring via LiTime App) |
The 6 Best Lithium RV Batteries of 2025: Expert Reviews & Comparison
Ideal for campers and motorhome owners: This analysis shows which lithium batteries perform best in real-world use. The LiTime 12V 50Ah LiFePO₄ is perfect for compact energy systems with limited space.
How to Charge Lithium Ion Battery Safely [Safe & Correct Guide]
Proper charging is crucial for the service life of any LiFePO₄ battery. This guide explains how to optimally charge your 12 V 50 Ah LiTime battery – whether with solar, mains charger, or in a motorhome.
AGM vs Lithium Ion Battery: What Actually Matters?
If you have been using an AGM battery so far, this comparison clearly shows why switching to the LiTime 12V 50Ah LiFePO₄ is a smart decision: lighter, more efficient, and longer-lasting.
Best Lithium Battery for Caravans in Australia – What You Need to Know Before Buying
This guide helps you choose the right battery size for your motorhome. The LiTime 12V 50Ah LiFePO₄ is ideal for compact setups where weight, efficiency, and safety matter.
No, the battery is shipped at approx. 50% ±10% SOC and is ready for immediate use. After long-term storage, fully charge (100%) once before use and then operate normally.
Not recommended. Different charging profiles lead to uneven capacity, overcharging, or undercharging. Use LiFePO₄ systems only with a suitable charger.
Yes, up to a maximum of 4S / 4P. Combine only identical types and capacities. Before connecting, fully charge all batteries, equalize voltage, and let them rest for 12–24 hours.
Do not charge normally below 0°C. Use a charger with low-temperature protection or warm the battery to above 5°C before charging.You can view more about LiTime cold weather batteries.
For extended idle periods, store at 40–60% SOC and recharge every 3 months to avoid deep discharge.
Typically ≥4000 cycles at 80% depth of discharge (DoD). This corresponds to a service life of approx. 8–10 years under normal use.
Yes, provided the inverter is LiFePO₄-compatible. Observe correct voltage limits (OVP 15.0 V / UVP 10.8 V).
Yes, horizontal operation is uncritical. Ensure stable mounting and sufficient ventilation to avoid overheating.
*Please have your order number, application scenario, and BMS/app screenshots ready to speed up diagnosis.
