how to charge battery subnautica

If by battery, you mean the lead acid, deep cycle type of battery that is used in automobiles and in many other purposes, there are a few ways to do this. One way to do this is through your power use through solar panels or wind turbine setup with charge controllers. These will be able to completely replenish free charges when it receives light.
This would suffice however if you have alot (i’ll say 10) tanks with sufficient capacity. It’s also possible for marine batteries like Dynamic Marine Power Battery 12V\/48Ah (PRH-LG4848).
To help keep the depth of discharge under control and prevent your capacitor from over discharging because of excessive deep cycle voltage i recommend a single ended charger although double ended chargers should also work well but with higher voltages from a center tap secondary not present in shunt controlled power supplies.
This is a 30 Amp hour battery that can cope up enjoy highs around 100Amps continuously for about 1 month on using 12This is an article about how to charge battery subnautica. If you have any questions, ask them in the comments below.

How to change batteries

In Subnautica: Below Zero, the green gauge on a tool icon’s right side indicates battery drain (this gauge appears on battery icons as well). There’s no way to recharge the tools themselves. Instead, you have to swap out the battery for a fresh one.

Recharging batteries

Once you find the habitat builder (1 wiring kit [2 silver ore], 1 computer chip [2 table coral samples, 1 gold, 1 copper wire], 1 battery) blueprint at Delta Station, you’ll also unlock the blueprints for a battery charger (1 wiring kit, 1 copper wire, 1 titanium) interior module.