This 12.8V 100Ah lithium iron phosphate battery delivers high energy efficiency, durable cycle performance, and excellent thermal stability, making it a reliable power solution for solar storage, RVs, marine systems, and backup power.
| Product Type | LiFePo4 Battery |
|---|---|
| Model number | 12100, 12100S2 |
| Voltage (Nominal) | 12.8V |
| Capacity (Nominal) | 100Ah |
| Dimensions | 260*170*210mm or 330*172*215mm |
| Recommend Charge current | ≤50A (Max. continuous charge current:100A) |
| Discharge current | 100A (250A＜10S) |
| Cycle life | 3500 times |
| Working Temperature | -20℃ to 60℃ |
The 12.8V Lead-Acid Replacement LiFePO₄ Battery is engineered to deliver superior power, longer cycle life, and unmatched safety for deep-cycle and standby energy systems. Designed as a true drop-in replacement for traditional AGM, GEL, and SLA batteries, it offers up to 10× longer lifespan, 60% higher usable energy, and over 50% weight reduction, significantly improving performance across all applications.
Built using Grade A LiFePO₄ cells, advanced Battery Management System (BMS) protection, and state-of-the-art assembly technology, this battery ensures stable output, high energy efficiency, and excellent temperature endurance. Whether used in RV power systems, solar storage banks, marine engines, mobility equipment, or backup energy installations, it guarantees long-lasting reliability without the limitations of lead-acid maintenance.
With fast charging capability, low self-discharge rate, and consistent power delivery even under demanding loads, this LiFePO₄ model provides a dependable and sustainable energy upgrade.
Directly replaces AGM / GEL / SLA batteries
Compatible with existing inverters, solar charge controllers, and power systems
No memory effect, no maintenance, no watering
>3000 cycles @ 80% DOD
Outperforms SLA lifespan by up to 10 times
Supports deep-cycle usage without capacity deterioration
50–60% lighter than traditional lead-acid batteries
Easy installation and improved mobility
Overcharge / over-discharge / short circuit / overcurrent protection
Temperature monitoring and balanced charging
Ensures safe and intelligent battery management
Stable voltage output throughout discharge cycle
Fast charging capability with low energy loss
96% energy efficiency vs ~70% with lead-acid
LiFePO₄ cell technology with excellent thermal stability
Fire-retardant structure and anti-explosion design
Safe for indoor, vehicle, and off-grid environments
<2–3% per month when idle
Perfect for backup and emergency energy storage
Non-toxic, lead-free, recyclable materials
Sustainable and compliant with environmental regulations
| Model | SK-LAR12100 | SK-LAR12100S2 | |
| General Characteristics | |||
| Norminal voltage | 12.8V | 12.8V | |
| Nominal capacity @0.2C | 100Ah | 100Ah | |
| Min. capacity @0.2C | 100Ah | 100Ah | |
| Norminal energy | 1280Wh | 1280Wh | |
| Dimensions(W*D*H) | 260*170*210mm | 330*172*215mm | |
| Approx. weight | 9.73Kg | 9.85Kg | |
| Electrical Characteristics | |||
| Operating voltage range | 10.8V~14.4V | 10.8V~14.4V | |
| Recommended charging voltage | 10.8V~14V | 10.8V~14V | |
| Recommend charging current | ≤50A | ≤50A | |
| Max. continuous charging current | 100A | 100A | |
| Max. continuous discharge current | 100A | 100A | |
| Max. peak discharge current | 250A(<10S) | 250A(<10S) | |
| Discharging cut-off voltage | 10.8V | 10.8V | |
| Faraday charging efficiency | ≥98% | ≥98% | |
| Energy charging efficiency | ≥92% | ≥92% | |
| Internal resistance | ≤8mΩ | ≤8mΩ | |
| Self-discharge | ≤2% | ≤2% | |
| Cycle life(@25℃, 0.2C, 80%DOD) | 3500 Cycles | 3500 Cycles | |
| Operating Conditions | |||
| Operating temperature | Charge | 0℃~45℃ | |
| Discharge | -20℃~60℃ | ||
| Storage temperature | 0℃~45℃ | ||
| Storage duration | 12 Months @20℃~25℃ | ||
| Safety standard | UL at cell level | ||
| Water dust resistance | IP65 | ||
| Terminal | M8 | ||
Solar energy storage systems
RV, camper, and caravan power banks
Marine and trolling motor systems
UPS backup & telecom power
Golf carts, mobility equipment
Off-grid cabins and energy banks
Industrial and outdoor power stations
Voltage & capacity adjustments
Smart BMS with Bluetooth / CAN / RS485 / UART
Logo printing & custom labels
Wiring and terminal options
