What is a lead-acid battery?
A lead-acid battery is a battery whose electrodes are mainly made of lead and its oxides, and the electrolyte is a sulfuric acid solution. In the discharge state of the lead-acid battery, the main component of the positive electrode is lead dioxide, and the main component of the negative electrode is lead; in the charging state, the main component of the positive and negative electrodes is lead sulfate.
The nominal voltage of a single-cell lead-acid battery is 2.0V, which can be discharged to 1.5V and charged to 2.4V; in applications, six single-cell lead-acid batteries are often connected in series to form a nominal 12V lead-acid battery , There are 24V, 36V, 48V and so on.
Lithium batteries are a type of batteries that use lithium metal or lithium alloys as positive/negative electrode materials and use non-aqueous electrolyte solutions. Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries.
Features: Lithium batteries offer more usable energy in a lightweight, no-maintenance package that’s safe, reliable, and worry-free.
Why Make the Switch to Lithium Batteries?
Light on Weight; Heavy on Power
Wattfan lithium batteries typically weigh one-third less and provide up to 50% more energy than traditional flooded, AGM, or GEL lead-acid batteries, and they provide more power.
Highly Efficient
Wattfan lithium batteries offer super-low resistance (and 99% efficiency), allowing much faster charging, with minimal losses. Lead-acid batteries lose power quickly during discharge.
More Hours of Power
Lithium batteries provide 100% of their rated capacity, regardless of the rate of discharge. Lead-acid batteries typically provide less usable energy with higher rates of discharge. They are usually limited to 50% of the rated capacity to prevent diminished life.
Ultra Long Life
Rechargeable Wattfan lithium batteries cycle 3,500 times or more, and higher rates of discharge minimally affect cycle life. Lead-acid batteries typically deliver only 300-500 cycles, as higher levels of discharge greatly reduce cycle life.
Check out the chart below to compare the performance advantages of advanced lithium technology versus traditional lead-acid batteries.
| Flooded Lead-acid | AGM | Wattfan LiFePO4 | |
| Feature | |||
| Cycle Life | 300-400 cycles | 300-400 cycles | 3500 |
| Max Usable Capacity | 50% | 50% | 85% |
| Discharge Efficiency | 50-90% | 50-90% | 99% |
| Maintenance | High | Medium | None |
| Charge Time | 6-12 Hours | 6-12 Hours | 1-5 Hours |
| Partial Charging Capable | No | No | Yes |
| Weight Comparison | 100% | 100% | 50% |
| Charge Efficiency | 80% | 85% | 99% |
| Cost | $ | $$ | $$$ |
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