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VARTA Professional Li-Ion Deep Cycle Batteries
The Li-Ion Deep Cycle range is VARTA's lithium service battery. It does not start engines: its function is to power on-board consumption with deep daily discharges.
Technology
Uses LiFePO4 chemistry, the most stable and safe lithium variant for leisure installations. Compared to an equivalent lead battery, it weighs around 60% less and takes up less space, allows thousands of cycles instead of hundreds, and enables almost the full nominal capacity to be used, while with lead it is advisable not to go below 50%. Integrates a BMS that protects against overloading, deep discharge, short circuit and out-of-range temperatures.
Applications
- Service battery for recreational boats
- Motorhomes and campers with daily consumption
- Isolated solar installations
- Auxiliary equipment that discharge and recharge daily
The range in figures
| References | 6 |
|---|---|
| Capacity | 50 – 200 Ah |
| Voltage | 12.8 V |
| Technology | Li-Ion |
How to choose
You need a lithium charger: a lead charger does not complete the charge well and may activate the BMS protection. Also check that the alternator or solar regulator are compatible before replacing a lead battery.
Naming and equivalences
Professional Li-Ion Deep Cycle is a new range in the VARTA catalog, without equivalent in the previous nomenclature. It is a lithium LiFePO4 service bank and does not replace any starting battery.
Frequently asked questions
Can a VARTA lithium battery start the engine?
No. The Professional Li-Ion Deep Cycle range is designed as a service bank: it powers on-board consumption. Starting requires a specific battery.
How much does it weigh compared to an equivalent lead battery?
About 60 % less, and occupies less space for the same usable energy.
How many cycles can a LiFePO4 withstand?
Thousands, compared to the hundreds of a lead battery. In addition, it allows practically the full nominal capacity to be used, while with lead it is advisable not to go below 50 % to avoid shortening its life.
Do I need to change the charger?
Yes, you need a lithium profile charger. A lead charger does not complete the charge well and can activate the integrated BMS protection.
What does the BMS protect against?
It is the electronic management system integrated into the battery. It protects against overcharge, deep discharge, short circuit and temperatures outside the acceptable range.