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Backed by 7 Years of Warranty & EV-Grade Quality – Fast U.S. Shipping & Support.

12V 10A 4 Bank Battery Charger

Sale price $229.99 Regular price $299.99
  • Charge 4 Batteries at Once: Simultaneously charge up to 4 batteries, perfect for RVs, boats, or off-grid setups.
  • Smart Charging: Automatically adjusts to the battery type (lead-acid or lithium) for optimal performance.
  • Safety Features: Protects against overcharge, short circuits, and over current.
  • Compact and Durable: Lightweight yet sturdy design for long-lasting use.
  • Easy-to-Read LEDs: Each bank has its own LED light to show charging status.
  • 10A Output: Fast, efficient charging with 10 amps of power per bank.
  • Versatile: Ideal for RVs, boats, trolling motors, and more.
  • Energy Efficient: Saves energy and reduces costs.

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Shipping Service

Thank you for choosing WattCycle for your LiFePO4 battery needs! We understand that getting your batteries quickly and safely is important to you. This policy outlines the shipping process for WattCycle orders.

Destinations:

  • We only ship orders to Continental 
  • Currently we DO NOT ship to Alaska, Hawaii, and Puerto Rico.
  • Please do not use PO Box addresses, which are not within the delivery range of FedEx. If you accidentally use such addresses, please contact us to change them in time to avoid delays in delivery.

Shipping Fee:

  • FREE shipping on all orders
  • Shipping method: UPS Ground & Fedex

Shipping time:

The time frame of an order delivery is divided into two parts:

  • Processing time: 1-2 business days
  • Shipping time: 2-5 business days
  • The shipping will delay for some objective or uncontrolled reasons. We will notice our customer ahead for delays.

Tracking Your Order:

  • Once your order ships, you will receive a confirmation email with a tracking number. You can use this tracking number to track the progress of your shipment on the carrier's website.

Disclaimer:

  • While we strive to meet the estimated delivery times provided, these are estimates and actual delivery times may vary depending on factors beyond our control, such as carrier delays or weather conditions.

Changes to This Policy:

  • We reserve the right to modify this Shipping Policy at any time. We will post any changes to this policy on our website.

We appreciate your support! If you have any questions about our shipping policy, please feel free to contact us at service@wattcycle.com.

Warranty Policy

Warranty Policy

At WattCycle, we stand behind the quality and performance of our batteries. We offer a comprehensive warranty to ensure your satisfaction with your purchase.

Please read the product manual carefully before installing and using the product, and use the battery correctly under the instructions of the manual.

Warranty Period

WattCycle warrants that the product will be free from defect in workmanship and material to the original consumer purchaser.
The warranty period starts on the date of purchase by the original consumer purchaser.

  LiFePO4 Batteries (>50Ah) LiFePO4 Batteries (≤50Ah) Cells / Like New Batteries LiFePO4 Battery Charger Accessories
Website 5+2 Years 3 Years 3 Years 3 Years 1 Year
Amazon 5+2 Years 3 Years 3 Years 3 Years 1 Year
Temu 5+2 Years 3 Years 3 Years 3 Years 1 Year
Ebay 5+2 Years 3 Years 3 Years 3 Years 1 Year

Note: Only registered customers can extend the warranty service by 2 years. Final interpretation rights belong to WattCycle.

Question: Will my lithium battery still be covered under warranty after being connected in series or parallel?

Answer: As long as your product meets the warranty conditions and you have registered for the warranty, you will receive the corresponding warranty period. Connecting the batteries in series or parallel (or other normal operations) will not affect your product's warranty duration.

Warranty Statement

Any defects in material, workmanship of your product will be covered after you provide any valid proof of purchase and information including but not limited to:

1. A purchased order number made through WattCycle official stores.
2. Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.

Note: The limited warranty is restricted to the country of purchase. The warranty will be invalid on the items once they are taken or shipped to other countries.

Exclusions of Warranty 

1. Misused, abused, damaged by accident or damaged due to force majeure. (e.g. lightning strikes, tornadoes, hurricanes, etc.);
2. Unauthorized modification, repair, dis-assembly or operation not in accordance with the official instructions or manuals;
3. Lost, stolen or full refunded product;
4. Warranty period expired;
5. The battery model on the warranty certificate does not match the actual item;
6. Product wear and tear through the usage of time.

Procedures for Warranty Claims

We’ll assist to analyze the consumer’s problem within 24 hours, and help solve the problem, restore battery usage, and introduce the optimal use method.

If our product fails to work normally, the consumer assists us in completing all the battery testing, and both parties confirm that the product does have quality problems, we’ll send a new battery replacement to the defective battery after it has been returned to our US warehouse by the pre-paid label we prepared. And the defective battery will be checked and tested by our technical team to analyze the problem.

From the date of purchase and within 6 months, if our products have quality problems and cannot work normally, we can provide replacement or refund services; Within 7 months from the date of purchase to the end of the warranty, if our products have quality problems and cannot work normally, we can provide replacement services.

Any product(s) returned for valid warranty service will be shipped at the expense and risk of us. We will provide a pre-paid label to customers who need to return the products to the designated place at the specified time.

Batteries that have been serviced or replaced under their warranty period do not receive extended warranties. Instead, the serviced/replaced battery(-ies) will abide by the original warranty period issued when first purchased.

Changes to This Policy:

We reserve the right to modify this Warranty Policy at any time. We will post any changes to this policy on our website.

Contact Us:

If you have any questions about our Warranty Policy, please feel free to contact us at service@wattcycle.com.

We encourage you to read this warranty policy carefully. By purchasing a WattCycle battery, you agree to the terms and conditions of this warranty.

Description

Precautions

1. Do not open the charger. There may be high voltage inside the charger. In case
of a fault, please contact customer service directly.
2. Do not use the charger in the place exposed to direct sunlight or near a heat
source.
3. Do not block the air inlet and outlet during use. The charger should be used in
a dust-free and well-ventilated environment. Keep at least 10cm of space on
both the inlet and outlet sides.
4. Keep children away from the charger when it is being used.
5. Do not use or store flammable and explosive items near the charger.
6. Do not rinse charger directly with water during cleaning. lt is recommended to
wipe it with a clean rag dipped in a small amount of alcohol.

Operation Instructions

1. Please connect the battery to the DC output terminal of the charger first.
Connect the positive (+) pole of the battery to the positive (+) output terminal
and the negative (-) pole of the battery to the negative (-) output terminal.
Never connect the positive (+) pole of the battery to the negative (-) output
terminal, nor the negative (-) pole of the battery to the positive (+) output
terminal. Also, do not connect the positive (+) pole of the battery to the
negative (-) pole of the battery and the positive (+) output terminal to the
negative(-)output terminal simultaneously.
2. Connect the charger to the AC power supply to turn on the charger.
3. Use the "SEL" button to switch to the required charging mode. Note that the
operation should be completed within 60 seconds after power-on.

Reviews (6)

Customer Reviews

Based on 6 reviews
67%
(4)
33%
(2)
0%
(0)
0%
(0)
0%
(0)
D
Daniel Linn
Good so far

Only have had it installed for about a month, the only thing so far that I would like to see changed is more mounting holes, that way you have more options in tight places like I had to mount it.

J
Joel Davis
BEST CHARGER IVE EVER OWNED

This charger is an absolute BEAST!! By far the best 4 bank charger I've ever owned. I've been running it for about 6-8 months and its performed flawlessly!! Guys If you're not familiar with what I do, check out my socials and you'll see me put everything I own to hard work! I am rough on my stuff! I buy it to use it and I don't care about a scratch, ding, or dent. I put my boat and all my equipment through the ringer every time I go out. WattCycle makes QUALITY products at an incredibly low price! https://www.facebook.com/JoelDavisFishing

K
Keith Williamson
4 bank charger

So far so good

M
Mark Bryant
Great product for the price

So far it has charged all my batteries as it is supposed to. Easy install and smaller than my minn kota.

M
Marty Brunner
Smashing Smallmouth Bass

Couldn't be any happier I bought 3 100ah Pro trolling motor batteries and a 4 bank Charger Works Great

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Based on 1722 reviews
88%
(1521)
10%
(180)
1%
(12)
0%
(4)
0%
(5)
Me hacen oferta y luego no me venden

Me hacen la oferta y cuando voy a pagar me dicen que no me envían a mi dirección, cambian el precio y luego si me lo envían, mal, si haces una oferta la cumples si no, lo que hacéis es engañar a la gente

Zatim neodzkouseno

Zatim neodzkouseno, ale vypadají dobře.

A very nice and well presented battery. Very happy!

Very nice product. Bluetooth connection is a nice idea. Also having the charge and discharge circuits controlable is also a good idea. A quick note onthe app used on thephone. it connects well and provides data on the current battery operation and conditions.
I would like to see some sdditional functions please;

Suggested features for app and battery software.

A. Data logging
Include logging of battery temerature, voltage, current and power. Logged data to be time stamped with charge, discharge events logged

B. Alarm and Warnings
Include function to log alarm and warning events. include battery conditions (voltage, current, temperature and operational mode).include time of the event occuring
I am very very happy with my batteries. They work very well. Thank you

I would be happy to discuss the above feature additions with you.

Great product and good support, they live up to their word!

The 4) 12V 628AH batteries I purchased came in good time and the price was very fair! If I had one wish it would be for the distance of the Bluetooth connectivity to be longer. Had one with a little dent and they made it right and updated their packaging to make sure it doesn't happen to others. So far I've gotten better support from Wat Cycle than any other vendor, they actually answer questions and work with you on issues!

All charged up

I purchased the 14.6V 20A Aluminum Shell LiFePO4 Battery Charger when I purchased two 100AH Mini batteries. I chose the aluminum shell for better heat dissipation since I live in the Southwest. Upon receiving the batteries and charger I put the charger to work fully charging the new batteries. The charger worked flawlessly and quickly charged the batteries. This is my second WattCycle battery charger, I also have a 60 amp charger that I use for my 300AH batteries. That are both very well built efficient chargers.

Absolutely the BEST Batteries!

I purchased two of these batteries for our travel trailer earlier this year along with an upgraded converter to match the LiFePO4 charging profile. They replaced two aging Group 24 lead acid deep cycle batteries. They ran perfectly the entire season between solar and generator charging. The weight savings itself is incredible. BT is such an awesome feature to be able to check individual cell voltage and balancing. With the new parallel function on the app, both discharge at the same rate. I can't say enough good things about these batteries.

Works like my other new WattCycle batteries!

I ordered a 12v 100Ah Bluetooth Mini like the other two that I have. It charged up just great and ran a water pump for a while yesterday. So far so good. The only issue I have is that the firmware on this battery will not allow me to use GoKWh or BMS Meta like the other two will. Until the WattCycle app shows total cycles, there is no way to check this value other than the two alternative apps.

Great Batteries But.........

I love these batteries. I replaced 10 100Ah 12V batteries in series/parallel. If you have a 24V system, I highly recommend that you go with a native 24V battery.

The only hiccup at this point is that there is no way to parallel these batteries (software), so sometimes the batteries will discharge at a slightly different rate. Tech support is working on this, and a software/firmware fix is promised soon.

I do professional Battery/solar system installations in RVs and have seen quite a few batteries through the years, and the build quality of these batteries is definitely top-notch!

The 12 V 628 AMP hour battery is performing well.

It has been in operation now for 6 days.
We are happy with this product.
We are suppliers and installers of off-grid solar systems and Wattcycle is now on our supplier list.
We just bought a second battery!

Great battery

Using the 100 ah battery on a 36 lb thrust trolling motor on a kayak. Ran all day fishing + still came back with 80%. Great to know I can always make it back home.

T
Shipping Protection
Thor Powell
Seems to be a good

Seems to be a good option

Excellent!

I replaced the two AGM batteries in my RV with two of the 12V 100ah WattCycle batteries and there was an immediate and obvious improvement in power delivery. Couldn't be happier!

works as advertised

works great and stays cool with the cooling fan

So far so good

So far so good. Meets all my needs.

Good cells, construction, buggy BMS and balancing

Reviewing this battery for recommendation. Well constructed, small, screws to open are appreciated. great price. Unfortunately the 'smart' BMS suffers from current sharing issues when batteries in parallel and also from a balancer that barely functions.
It should be possible to fix this with some setting changes internal to the BMS, but I am not holding my breath.

Seams like a great deal.

Great price, great shipping. Charged at 70% when received. I charged to 100%, discharged to 50% and stored in basement for winter. Will use for trolling next spring. So far, so good.

Installed one 12v 314 Ah mini Bluetooth in our boat with Victrons Cerbo S GX

Installed one 12v 314 Ah mini Bluetooth in our boat with Victrons Cerbo S GX, Multiplus, Orion tr smart, smart shunt = Great 👍

So far it charged appropriately and holds the charge well. Capacity is spot on.

Aluminum shell battery charger 👍

I have both the aluminum shell charger and the plastic charger. They both work the same from what I can tell. The aluminum shell is heavier and feels like it should last longer but that is just my opinion based on limited experience.

A
【Like New】12V/48V LiFePO4 Battery
Anonymous
Can't really give an honest review

Can't really give an honest review, as I have not received them yet. More of an issue with the Shipper than Wattcycle, as it did seem like it was shipped out promptly.

Batterie reçue sans problème

Batterie reçue sans problème, elle remplace 2 batterie AGM de 104 ah en ne prenant la place que d’une seule, je dispose maintenant de 314 ah avec plus de sécurité.Coupure de charge évitant la surcharge et la surchauffe, coupure de charge et de décharge en cas de froid selon la température, connexion Bluetooth permettant un contrôle du niveau de charge , de la charge, de la décharge et de la température.
Garantie de 7 ans après enregistrement sur le site.
Installation très facile