How do I charge my battery, and what should I expect when I first get it?

When your battery arrives, it may not be at 100%. That’s normal. The best move is to check connections, confirm you have the right charger, then fully charge it before your first serious use.

What to expect when it first arrives

• State of charge varies. Shipping and storage mean it can arrive partially charged.

• The battery may “wake up.” Some models ship in a low-power or protected state. Once you connect a charger or a load, the BMS can wake up and everything reads normal.

• Voltage can look “high” compared to lead-acid. Lithium holds voltage longer and behaves differently than lead-acid, so gauges may not read the way you’re used to.

How to charge it the right way

1) Use the correct charger

• Match the charger voltage to your battery or bank (12V, 24V, 36V, 48V).

• Use a charger designed for LiFePO4 or a charger with the proper lithium settings.

2) Plug-in order

1. Connect charger clamps/ring terminals securely to the battery terminals.

2. Plug the charger into the wall power.

3. Let it run until the charger indicates full.

3) Charging time expectations

Charging time depends on battery size and charger amps. Rough rule:

• Charge time (hours) ≈ Battery Ah ÷ Charger amps
  Example: 100Ah battery with a 10A charger takes roughly 10 hours from empty to full. Real-world time varies based on how discharged it is and the charger’s stages.

4) Cold weather rule

Most LiFePO4 batteries should not be charged below 32°F (0°C) unless the battery has internal heating. If it’s cold, warm the battery first or use a heated model.

What “normal” looks like during charging

• The charger may spend most of its time in bulk charge, then slow down near the top.

• A battery monitor may jump around early on, that’s normal until it stabilizes.

• The battery should stay cool to slightly warm, it should not get hot.

Before your first trip

• Fully charge it once.

• Confirm your wiring is correct (especially series setups).

• If you’re building a bank, start with matching batteries and charge each one fully before wiring together.

If you would like additional support directly from a customer support technician, please open a ticket at the link below:
https://dakotalithium.com/sales-technical-support/how-to-contact/