Yes. Our LiFePO4 batteries support both solar charger (off grid charge) and main power charge. When charging with a solar charger, please select B04 mode on your solar regulator. (Please take note that this is for our regulators only. Different regulators may have different settings).

No, our LiFePO4s must be connected with the same size and model due to differing charging parameters.

These batteries are not recommended for cars.

A battery balancer can better protect the battery and maintain voltage balance, so it's a good choice.

The batteries have thermal runaway protection and will cutoff if the cells reach their max temperature.

1. Lithium batteries that have not been used for a long time should be stored in a cool and dry place. It's best to store them in a semi-electric state. It's dangerous to store them at full power and the battery will be damaged. Storage without any power will also damage the battery. Check the battery every 3 months to see if it needs to be recharged.
   
2. Lithium batteries should be charged while they are in use, but it should be noted that lithium batteries cannot be over-discharged, which will cause irreversible capacity loss. Don't wait to charge the battery until there is no power at all. The best time to charge is when the power state of the battery is less than 10%.
   
3. Do not mix the lithium battery with metal objects to avoid metal objects touching the positive and negative poles of the battery. This could result in short circuiting, damage to the battery and even cause danger.
   
4. Use a regular compatible lithium battery charger to charge the battery. Do not use a charger with inferior quality or other types of lead-acid battery chargers to charge the lithium battery.
   
   

If you use the battery frequently, it's better to charge the battery every time after you finish using it. If you do not use it often, such as every few months, we suggest you charge the battery at least every 3 months.

No matter what style of charger is used, the DC output needs to be in the range of 14.2-14.6V. It can be used to charge our lithium battery without damaging it. If the charger DC output voltage is lower than 14.2V, the battery cannot be fully charged. If the DC output exceeds 14.6V, it is not recommended to use, because high voltage will damage the battery.

The specifications of the selected cables are determined according to the actual charging and discharging current. The overcurrent value varies from different cables. For example, the cross-sectional area of the conductor is 10mm2, and the cable can pass 50A current. The cross-sectional area of the conductor is 25mm2, and the cable can pass 100A current, etc.

It's better if you fully charge the battery after using it, since LiFePO4 batteries support 100% depth of discharge and charge very well. 100% charge means your charger will show a green light.

If you don't use it often, we suggest you charge the battery every 3 months. This will not harm the battery life.

50% capacity can be considered faulty. 80% is considered normal.

Here are some charging tips:

1. For mains power charge: Please use a lithium battery charger to charge our battery.
2. For solar charge: Please select B04 mode on your solar regulator.

There are no gas emissions when the battery is charging and discharging.

The holes are two semicircles with a radius of 3.25mm + 6.5*10mm rectangular holes. The center distance between the two holes is 562.4mm. The distance between the two brackets is 530mm.