Blog - Chargers and charging

FAQ: Battery Overcharged – What to do?

FAQ: Battery Overcharged – What to do?

In case of failure to charge properly, the overcharge will result in damage of the internal cell structure. In base of mild overcharge, there is some chance to recover the function of the cell.

If overcharge happens, follow these guide line

Customer reference: high speed chargers for initial charging

Customer reference: high speed chargers for initial charging

The customer reference of the customized high-speed charging (up to 5V/100Amp) to make the inital charge of the LFP cells.

The picture shows high capacity cells being charged and balanced during the intial charging.

FAQ: Low temperature operation: What is the capacity of the...

FAQ: Low temperature operation: What is the capacity of the LiFePO4 battery at different temperatures? (at 25°C, at 0°C, at -20°C ?)

1) Battery capacity

For 10*C to 40*C the battery nominal capacity is 100%. For temperatures bellow 10*C the internal resistance of the batter

Connecting the ELCON (TC Charger) to a BMS

Connecting the ELCON (TC Charger) to a BMS

The diagram shows how to connect the BMS to the ELCON/TC charger using the analog ENABLE signal wiring.

Universal 12V Charger 6A (4 cells, 1 batt)

Universal 12V Charger 6A (4 cells, 1 batt)

The inteligent 6 mode automatic charger for lead-acid and LiFePO4 batteries (12V or 4S cells).

• For charging to full voltage (for LiFePO4 cells) you need to choose the SNOW mode.
• For charging with 6 Amp (full current) you must select th

Can the automotive 12V battery charger be used for LiFePO4?

Can the automotive 12V battery charger be used for LiFePO4?

Some chargers can be used, some cannot. There are two things that need to be considered:

1) Full charge voltage. The LiFePO4 batteries need to be charged at least to 14.6V. However, some automotive 12V battery chargers charge

FAQ: Changing the Charger Voltage Levels

FAQ: Changing the Charger Voltage Levels

Question: I have purchased a battery pack and a charger from your company some time ago. Now I decide to add few more cells to increase the voltage of the battery pack. How can I increase the charging voltage of the charger? Can I c

EVCharge - 230V/32 Amp charging with J1772

EVCharge - 230V/32 Amp charging with J1772

The EVCharge point at GWL warehouse in Prague with J1772 connector. This charging place allows charging with 32 Amps (6.6 kW).

Solar and Storage

Solar and Storage

The initial charging of a battery pack for the energy storage solution. This battery pack will be using the WINA cells of total capacity 28.8 kWh.

QUESTION: Are the lithium cells charged before shipping to...

QUESTION: Are the lithium cells charged before shipping to the customer?

ANSWER: No. The cells are not charged. They are shipped in the same condition as received from the factory. The cells are shipped with 50% and less energy left in them. The cells must be charged to full and balanced (equilibrated) by the custo