Welcome to Dyness Support

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FAQ Type
36V & 48V Batteries
24V Battery
Bluetooth & App
Orders & Payments
General
12V Battery
Shipping & Delivery
Returns & Refunds
Warranty
36V & 48V Batteries
24V Battery
Bluetooth & App
Orders & Payments
General
12V Battery
Shipping & Delivery
Returns & Refunds
Warranty
36V & 48V Batteries

Can I connect the battery in series or parallel?

Dyness 36V 55Ah battery supports connecting up to 4 identical batteries in parallel for up to 36V(38.4V)220Ah battery system. However, the battery do not support connect in series.

Can I use the trolling motor battery in my electric outboard motor?

No. As a general guideline, batteries meant to power trolling motors are not ideal matches for electric outboard motors. When speeding up or running the outboard for long periods, the motor will produce large current spikes. These sudden current surges cannot be properly sustained by regular trolling motor batteries, bringing hidden risks to the battery pack.

What is the ideal thrust range for a 36V 55Ah trolling motor battery?

Thrust up to 160lbs.

What should I do when I receive the Dyness LiFePO4 battery?

When you receive your battery, please note that it may have a low State of Charge (SOC) due to transportation and storage. For optimal performance, we recommend charging the battery with 14.6V charger with 0V activation or MPPT solar charge controller immediately to avoid over-discharge.
If you intend to store the battery for an extended period without use, we recommend charging it to a SOC of 30% to 50% and conducting maintenance every three months. These measures will help preserve its functionality and performance in the long run.

24V Battery

Can I charge Dyness 24V batteries in cold weather under freezing temperatures?

Dyness 24V100Ah equips with low-temp protection function. the battery automatically stops charging when the internal temperature falls below 32°F (0°C) and resumes charging at 41°F (5°C).

It also disconnects power at -4°F (-20°C) to protect internal components and ensure safe performance in extreme cold conditions.

Can I use Dyness 24V 100Ah LiFePO4 Lithium batteries as cracking or starting batteries?

No. As deep cycle batteries, the 24V 100Ah lithium batteries are not intended to be used as starting batteries but energy storage, please do not use them to start any devices.

Can I use Dyness Trolling Motor batteries to start my car/boat engine?

No. Dyness Trolling Motor batteries are not intended to be used as starting batteries but energy storage, please do not use them to start any devices

How long will a 24V 100Ah lithium battery last?

A Dyness 24V 100Ah lithium battery will last based on how much power you draw — for example, at a continuous 100 W load it could run about 24–25 hours (24 V × 100 Ah = ~2400 Wh usable energy ÷ 100 W), and higher loads shorten runtime proportionally.

How many Dyness 24V 100Ah lithium Batteries can I connect at most?

Dyness 24V batteries support versatile configurations, including series, parallel, and series-parallel connections.
Series connection: Up to 2 batteries
Parallel connection: Up to 4 batteries
Series-parallel connection: Up to 8 batteries
Important Notes:
For safe and stable operation, all connected batteries must meet the following criteria:
✔ Same specifications – Identical capacity (Ah) and BMS rating (A)
✔ Same brand – Different brands may have incompatible BMS settings
✔ Purchased within a short timeframe (ideally within one month)

What should I do when I receive the Dyness LiFePO4 battery?

When you receive your battery, please note that it may have a low State of Charge (SOC) due to transportation and storage. For optimal performance, we recommend charging the battery with 14.6V charger with 0V activation or MPPT solar charge controller immediately to avoid over-discharge.
If you intend to store the battery for an extended period without use, we recommend charging it to a SOC of 30% to 50% and conducting maintenance every three months. These measures will help preserve its functionality and performance in the long run.

What size of the trolling motor suits 24V 100Ah lithium battery?

This Dyness 24V100Ah battery can power a trolling motor with 70LBS-100LBS.

Bluetooth & App

How do I connect Bluetooth after logging into my account?

Follow these steps:

  1. Go to the Services module and select Debugging Tool.
  2. Inside the tool, tap the Bluetooth Connection icon.
  3. Wait for the app to scan for nearby devices, then tap the battery image to add it.

After a successful connection, you can view voltage, current, power, capacity, and SOC.

How do I monitor the battery status?

Only the Bluetooth Enabled lithium battery, equipped with an integrated Bluetooth module, enables convenient monitoring of the battery status using your smartphone through the Dyness App

Why does the Bluetooth connection fail?

Please follow these steps:

  1. Make sure the battery is powered on and its voltage is at least 9V.
  2. Tap the Bluetooth icon in the lower‑left corner of the app (labelled “Bluetooth Connection”).
  3. The app will automatically scan for nearby devices. When the battery image appears, tap it to connect.

Once connected, you will see real‑time data such as voltage, current, power, capacity, and SOC (State of Charge).

Why does the Bluetooth connection fail?

Please follow these steps:

  1. Make sure the battery is powered on and its voltage is at least 9V.
  2. Tap the Bluetooth icon in the lower‑left corner of the app (labelled “Bluetooth Connection”).
  3. The app will automatically scan for nearby devices. When the battery image appears, tap it to connect.

Once connected, you will see real‑time data such as voltage, current, power, capacity, and SOC (State of Charge).

Why the app shows Communication Abnormal when connected with bluetooth?

Delete it and install the latest versions bluetooth app, it might be the bug of the older versions app.
The latest versions app has been fixed it up.

Orders & Payments

General

How do I store the battery for a long period of time?

As you are storing the battery for a long period of time, here are some suggestions for long-term storage for your reference.
1.Temperature: A temperature between 10°C to 35°C / 50°F to 95°F is ideal for long-term storage. Store in a fireproof container and away from children.
2. Capacity: For a longer-lasting product, it is best to store your battery at a 50% charge level and recharge every three months if it is not going to be used for a long time.

Can I sign up to your newsletter?

Yes! Just enter your email in the sign up form at the bottom of this page, and you’ll be added to our subscription list. You’ll be sent updates, exclusive offers, and much more.

Why can't the battery discharge?

Root cause: BMS protection status or failure.
Cause: battery voltage <10V triggers BMS protection, charging circuit is cut off.
Solution:
1. Use a dedicated LiFePO4 charger that supports 0V activation. 2.
2. Connect the solar panel directly to the battery to activate (or MPPT)
If the voltage is <10V, connect the solar panel for 30 minutes, and then measure the resting voltage >12V; normal charging can be resumed, or the charging equipment does not match.

Request additional information:
1. Current resting voltage of the battery (measured with all devices disconnected).
2. Screenshot of the charger model and parameters.
3. Whether the charging indicator is observed to be flashing abnormally.
4. Record of the ambient temperature of the battery storage environment.

12V Battery

Can I connect Dyness group 24 and group 31 lithium battery in series or parallel?

To connect in series or parallel, batteries should meet the below conditions:
identical batteries with the same battery capacity (Ah) and BMS (A);
from the same brand (as lithium battery from different brands has their special BMS);
purchased in near time (within one month).

Because of the different BMS, it's not recommended to connect these 2 types of battery in series or parallel.

Can I install the 12.8V 340 Ah battery on its side in my RV?

Our 12.8V 340Ah battery may be mounted on its side with these orientation limits:
❌ Do not place the top or left side facing down.
✅ Right‑side‑down mounting is permitted. Terminals‑up and other valid orientations are also acceptable.

Side‑mounting is okay as long as only the right side faces down.

Can I use Dyness Trolling Motor batteries to start my car/boat engine?

No. Dyness Trolling Motor batteries are not intended to be used as starting batteries but energy storage, please do not use them to start any devices

Can I use Dyness Trolling Motor batteries to start my car/boat engine?

No. Dyness Trolling Motor batteries are not intended to be used as starting batteries but energy storage, please do not use them to start any devices

How many batteries can I connect in sereis or parallel?

For versatile system configurations, you can connect multiple Dyness 12V 100Ah Trolling Motor LiFePO4 batteries.
You can expand your battery bank's voltage and capacity by connecting identical batteries:
Series: Connect up to four batteries in series to create a higher voltage system (e.g., 24V, 36V, or 48V).
Parallel: Connect up to four batteries in parallel to increase the total capacity (Ah) to 400Ah.
Series-Parallel: Build a larger bank of up to 16 batteries in a 4S4P configuration (4 in series and 4 in parallel) for maximum power and capacity.

⚠️ Critical Connection Requirements
To ensure safety, performance, and longevity, all batteries in a connected bank must meet these conditions:
Identical Model: Use the exact same battery model (e.g., Dyness 12V 100Ah Trolling Motor Bluetooth) with the same capacity (Ah) and BMS rating (A).
Same Brand: Never mix batteries from different brands. Each brand uses a unique Battery Management System (BMS) that is not compatible with others.
Recent Purchase: The batteries should be purchased close together, ideally within one month, to ensure they are from the same manufacturing batch for balanced performance.
Voltage Matched: Before connecting, ensure all batteries are fully charged and their voltages are balanced to within 0.1V of each other. This prevents large inrush currents that can damage the batteries.

How to charge Dyness 12V 100Ah lithium batteries?

You have three main options for charging your Dyness 12V100Ah battery:

  • Solar Panels:
    With 400W solar panels and about 4.5 hours of effective sunshine per day, you can fully charge the battery in one sunny day.
    If using solar panels ≥400W, keep in mind that charging time can vary depending on sunlight duration and intensity. It may take longer than one day to fully charge.
  • Generator/Alternator:
    For DC Output Generators/Alternators: You'll need a DC-to-DC charger to connect the battery.
    For AC Output Generators/Alternators: Use a suitable battery charger between the generator and the battery, following our recommendations.
    Important: The recommended charging voltage is 14.2V - 14.6V.
    Charging Current: 20A (0.2C): Full charge in approximately 5 hours. 50A (0.5C): Charges to about 97% capacity in roughly 2 hours.
  • LiFePO4 Battery Chargers:
    Use a 14.6V LiFePO4 charger for optimal charging.
    Important: The recommended charging voltage is 14.2V - 14.6V.
    Charging Current: 20A (0.2C): Full charge in approximately 5 hours. 50A (0.5C): Charges to about 97% capacity in roughly 2 hours.
What can I do if my battery will not take a charge?

Follow these steps to troubleshoot a battery that cannot hold a charge:

Disconnect the battery from all chargers and loads, and let it rest for 3 hours. Measure its open‑circuit voltage with a multimeter. A reading below 9V indicates the BMS protection has triggered.

  • Option 1: Use a 14.6V LiFePO₄ dedicated charger with 0V wake‑up function to re‑activate the battery.
  • Option 2: For NOCO Genius charger users: try Repair / Force Mode (if supported). This may not work for all batteries.
  • Option 3: Parallel the depleted battery with a good working battery, then charge the pair with your compatible charger.

Should these methods fail, please submit a service ticket to our customer support team.

Can it be used as a starting battery?

No, our batteries are deep-cycle batteries designed to provide stable, long-term current output, and they come with a built-in BMS. They cannot deliver high current in a short time.

What applications are these batteries suitable for?

They are suitable for RVs, marine (trolling motors or some electronics on boats), DIY solar projects, off-grid living, and home energy backup.

What are the charging specifications for the 12V 340 Ah battery?

Recommended charging specs: 14.6V, 68A.
If a 68A charger is not on hand, 14.6V LiFePO₄ dedicated chargers from 60A to 80A are suitable alternatives and perform well with this battery.

What are the Differences Between a Group 24 and Group 31 Battery?

They offer 4000 cycles at 100% Depth of Discharge (DOD), 6000 cycles at 80% DOD, and up to 15,000 cycles

What should I do when I receive the Dyness LiFePO4 battery?

When you receive your battery, please note that it may have a low State of Charge (SOC) due to transportation and storage. For optimal performance, we recommend charging the battery with 14.6V charger with 0V activation or MPPT solar charge controller immediately to avoid over-discharge.
If you intend to store the battery for an extended period without use, we recommend charging it to a SOC of 30% to 50% and conducting maintenance every three months. These measures will help preserve its functionality and performance in the long run.

Shipping & Delivery

I purchased two items, why did I only receive one package? Where is my other stuff?

Orders containing multiple products will be shipped separately. If your order has not arrived after a long period, please contact us.

What shipping carriers do you use?

We use all major carriers(FedEx/USPS/Amazon Logistics), and local courier partners. You’ll be asked to select a delivery method during checkout.

How long will it take to get my order?

It takes us 1-2 business days to process your order. We ship from local warehouses, and delivery usually takes 3-7 days after placing the order.

Returns & Refunds

How can I contact customer support?

 You can contact them via dynesscare@dyness-tech.com.

Do you provide free return labels?

If you want to return an item because of personal reasons (such as unsuitable size), we usually do not cover the cost of the return, but if the item has quality problems, please contact our customer service and we will solve the problem as soon as possible.

Can I return my product?

We always aim for make sure our customers love our products, but if you do need to return an order, we’re happy to help. Just email us directly and we’ll take you through the process.

Warranty