1. Úvod
The LiTime 12V 100Ah LiFePO4 Battery is a high-performance lithium iron phosphate battery designed for various applications including solar homes, RVs, campers, trolling motors, and off-grid energy storage. Manufactured with Grade A+ LiFePO4 cells, this battery offers superior energy density, stable performance, and enhanced power output.
Key features include a long cycle life of 4,000 to 15,000 cycles depending on depth of discharge, providing up to 10 times longer lifespan compared to traditional lead-acid batteries. It is significantly lighter, weighing only 24.25 lbs, which is approximately one-third the weight of a comparable lead-acid battery. The battery maintains a flat discharge curve, delivering over 12.8 volts for up to 95% of its capacity, ensuring consistent power delivery. It also features a built-in 100A Battery Management System (BMS) for comprehensive protection.

Figure 1: LiTime 12V 100Ah LiFePO4 Battery
2. Co je v krabici
- 12V100Ah LiFePO4 Battery x 1
- M8- 5/8" (16mm) Terminal Bolts x 2
- Insulating Caps for Bolts x 2
3. Bezpečnostní pokyny
WARNING: Improper installation or use can lead to serious injury or property damage. Always follow these guidelines.
- This 12V 100Ah battery is intended for energy storage purposes only. It is NOT suitable for engine starting applications.
- Do not use this battery for golf carts.
- Ensure proper ventilation when installing and operating the battery.
- Avoid short circuits. Always use appropriate fuses and circuit breakers in your system.
- When connecting multiple batteries in series or parallel, ensure they are of the same brand, type, voltage, amperage, and have been manufactured within 3 months of each other.
- Operating temperature ranges:
- Charge Temperature: 32°F ~ 122°F (0°C ~ 50°C)
- Discharge Temperature: -4°F ~ 140°F (-20°C ~ 60°C)
- Storage Temperature: 14°F ~ 122°F (-10°C ~ 50°C)
- If OT terminals are attached directly with screws and their thickness is less than 2mm, add gaskets for lock attachment to prevent loosening and overheating.

Figure 2: Important safety considerations for battery application and connection.
4. Nastavení a instalace
The LiTime 12V 100Ah LiFePO4 battery is designed for straightforward installation. Its compact dimensions (L13"xW6.77"xH8.43") and BCI Group 31 size make it a suitable replacement for many lead-acid battery setups.
4.1 Připojení terminálu
The battery features M8 terminals. Ensure all connections are clean, secure, and properly tightened to prevent resistance and overheating. Use the provided M8 terminal bolts and insulating caps.

Figure 3: Battery dimensions and terminal details.
4.2 Integrace systému
This battery can be integrated into various power systems, including solar off-grid setups, RVs, marine vessels, and home energy storage solutions. Consider using a compatible LiFePO4 charger, solar panels, or a generator for charging.

Figure 4: Various charging methods for the LiTime battery.
For complex installations involving multiple batteries in series or parallel, it is recommended to consult a qualified professional to ensure proper wiring and system compatibility. Always adhere to local electrical codes and safety regulations.
Video 1: Konecview of the LiTime 12V 100Ah LiFePO4 Battery's built-in 100A BMS system and features.
5. Návod k obsluze
5.1 Nabíjení
The recommended charge current for the LiTime 12V 100Ah battery is 20A (0.2C). The battery can be fully charged from empty in approximately 5 hours using a compatible 14.6V 20A charger. The built-in BMS protects against overcharging, ensuring battery longevity.
5.2 Vybíjení
The battery's flat discharge curve ensures consistent power output, holding above 12.8 volts for up to 95% of its capacity. This provides extended run-time compared to lead-acid batteries. The BMS also protects against over-discharge, over-current, and short circuits.
Video 2: Explanation of the LiTime 12V 100Ah LiFePO4 Battery's cycle life and performance.
6. Údržba
LiFePO4 batteries require minimal maintenance. However, to ensure optimal performance and longevity, follow these recommendations:
- Pravidelné dobíjení: If the battery is stored for extended periods, it should be discharged and recharged every three months to protect the internal cells and maintain balancing.
- Inspekce terminálu: Periodically check battery terminals for corrosion and ensure they remain tight. Clean as necessary.
- Řízení teploty: Operate and store the battery within the specified temperature ranges to prevent damage and maximize lifespan.
7. Řešení problémů
The built-in Battery Management System (BMS) provides multiple layers of protection. If the battery appears to be malfunctioning, check the following:
- Žádný výkon: The BMS may have activated a protection mode (e.g., over-discharge, over-current, short circuit). Disconnect the load, wait a few minutes, and then attempt to reconnect. If the issue persists, check the battery voltage.
- Nenabíjí se: Ensure the charger is compatible with LiFePO4 batteries and operating within the specified voltage and current ranges. The BMS may prevent charging if the battery temperature is too low (below 32°F/0°C) or if an over-voltagJe detekován stav.
- Přehřívání: The BMS will shut down the battery if it detects excessively high temperatures. Allow the battery to cool down before attempting further operation. Ensure adequate ventilation around the battery.
- svtage Drop Under Load: While LiFePO4 batteries have a flat discharge curve, a significant voltage drop under load may indicate an undersized battery for the application or an issue with connections.
For persistent issues, refer to the detailed specifications and consider contacting LiTime customer support.
Video 3: Detailed test of the LiTime 12V 100Ah LiFePO4 Battery's charge/discharge capacity and maximum BMS power output.
8. Specifikace
| Atribut | Hodnota |
|---|---|
| Značka | LiTime |
| Model | 12V100AH |
| Velikost | 12V100Ah |
| Rozměry produktu | 6.77"H x 13"Š x 8.43"V |
| Hmotnost položky | 24.2 libry |
| Počet buněk | 4 |
| Odpor | 40 miliohmů |
| Terminál | Terminál M8 |
| BMS (Continuous) | 100A |
| Output Power (Max. Continuous) | 1280W |
| Maximální trvalý nabíjecí proud | 100A |
| Maximální trvalý vybíjecí proud | 100A |
| Max Discharge Current (5 Seconds) | 280A |
| Charge Voltage | 14.4V ± 0.2V |
| Doporučený nabíjecí proud | 20A (0.2C) |
| Život cyklu | 4000~15000 cycles (100% DOD) |
| Hodnocení bezpečnosti | UN38.3, UL, FCC |
| Datum první dostupnosti | 4. října 2020 |
9. Záruka a podpora
LiTime batteries come with a 5-year warranty, demonstrating the brand's commitment to quality and customer satisfaction. For any product-related issues or questions, professional technical support and online customer service are available with fast feedback within 24 hours.
Contact the LiTime support team directly for assistance.