【⚡72H Flash Sale】WattCycle 12V 100Ah Mini LiFePO4 Battery
Expected Delivery on - .
- ✔ L229 x W138 x H208mm, 9.50kg
- ✔ 28% smaller & 9.5% lighter than 12V 100Ah
- ✔ 1280W Output Power, 1280Wh Usable Energy
- ✔ 134.74Wh/kg Ultra-high Gravimetric Energy Density
- ✔ 100A Max. Cont. Dis-/Charge Current, 300A ± 50A 1.2s Peak Discharge Current
- ✔ Support 4P4S Connection to 20.48kWh Energy
- ✔ Low-Temp CutOff Protection
Services and Benefits
Enjoy free & fast shipping to most European countries on WattCycle orders. Ship from Germany or Poland. Your package will typically arrive within 2-7 business days, so you can sit back and relax without worry.
*Please see our Shipping Policy for more details.
WattCycle guarantees the quality and performance of our batteries and provides a straightforward, hassle-free warranty.
*Please see our Warranty Policy for more details.
We'll Always be There for You.
If you have any questions or concerns, feel free to contact us via Email (service@wattcycle.com) or WhatsApp.

- 1 Pack - €199,99
- 2 Pack (€197,99/each) - €395,99
- 3 Pack (€195,99/each) - €587,99
- 👍 4 Pack (€193,99/each) - €775,99
- 12V 100Ah Mini with a monitor - €289,99
【⚡72H Flash Sale】WattCycle 12V 100Ah Mini LiFePO4 Battery
Thanks for choosing WattCycle. At WattCycle, we're committed to your satisfaction with our product(s). We guarantee that all WattCycle products are strictly tested by our quality inspectors before delivery.
We understand that there may be situations where you need to return or exchange your purchase. The following "Return & Refund Policy" applies to WattCycle products.
Order Cancellation
WattCycle accepts order cancellation before the product is shipped or produced. If the order is canceled, you will get a full refund via the original payment method within 10 working days (Due to delays in processing refunds from a bank).
WattCycle cannot cancel the order if the product has already shipped out.
Lost / Damaged Products Received
If the product was not delivered or lost, please immediately contact us. We will inquire about the situation and send you a statement. After you sign and send us the statement, we will re-arrange the shipment of your order.
If the product you received was damaged, or if you received an incorrect or incomplete product, please immediately contact us with proof of videos or pictures and product serial number (This number is on a sticker on the product, below the barcode.). After providing the above certificates and serial numbers, we will provide you with a solution based on the damaged or missing items.
30-Days Money-Back Guarantee
Within 30 days of purchase, if you are unsatisfied with the product and there are no quality issues, you are entitled to a refund upon returning the item in its complete, unused condition with original packaging intact. However, you will be responsible for covering the round-trip costs (including shipping fees and handling charges). Costs vary by country/region. Please contact us to confirm the specific costs..
If 30 days have passed since the purchase, a full refund cannot be offered.
Attention: For products that have been used (Unboxing), WattCycle reserves the right to refuse the return.
Return Shipping Cost
WattCycle Pays For Return Shipping
WattCycle will pay for the cost of return shipping if the reason for the return was the result of our error.
Examples of instances may include:
Item arrived defective and cannot be fixed with a replacement part.
We shipped out the wrong item.
We shipped it to the wrong address.
We shipped a duplicate order.
Item malfunctioned during the 30 day returns period. (The customer should install and operate the item properly per the product manual instruction.)
Attention
For items that arrive damaged or are defective, the customer MUST provide videos or photos to support the claim that the item arrived damaged or is malfunctioning. If a customer refuses to or fails to provide videos or photos of a claimed malfunctioning/damaged item, this return will be treated as “buyer’s remorse” and the customer is solely responsible for shipping it back. Once we have received the approved returned item, we will review its condition. If the item is found to be defective, we will issue a refund within 3 working days.
Customer Pays For Return Shipping
In the case of a return due to customer error, return shipping is the customer’s responsibility and shipping charges are paid by the customer. Fees vary by country, please contact us for specific fees.
Attention
Any order offered with special shipping charges is subject to a deduction from our actual outbound shipping costs.
After the 30-day returns period, customers may use the WattCycle Warranty Policy for repairs if the item is faulty or malfunctioning. Please refer to the WattCycle Warranty Policy for details.
Return Item & Address
After confirming with our customer service team that a return is possible, we will provide you with a return solution based on your order's fulfillment warehouse.
If your order was shipped from a German warehouse, we are unable to provide a return label. You will need to contact our customer service team to obtain the return address and arrange the return yourself.
If your order was originally shipped from a Polish warehouse, we will provide you with a return label. You simply need to take the product with the return label attached to a courier station to ship it back.
Refund
For non-quality-related issues and unopened packages, you will be responsible for covering the round-trip costs (including shipping fees and handling charges). Costs vary by country/region.
For quality-related issues reported more than 30 days after the purchase date, WattCycle will provide a partial refund based on the product's usage condition.
Refund Timeline: Once the product is returned to the WattCycle warehouse, WattCycle will process the refund within 7 business days and send you a refund confirmation notification.
Refund Method: The refund will be issued to your original payment method and account.
Attention
If you do not receive the refund within 10 business days, please contact us, and we will assist you in checking the refund status.
Disclaimer
WattCycle does not offer refunds for the following cases:
Discounted or promotional items.
WattCycle products purchased through other entities (e.g., distributors or retail partners).
Returns from a country/region different from the original shipping address of the order. If the return address differs from the original shipping location, resulting in shipping costs exceeding the initial fees, the user will be responsible for covering the additional shipping fees.
Products showing signs of wear, use, or alterations from their original condition.
Products damaged or lost during the return process.
Changes to This Policy
We reserve the right to modify this Return & Refund 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.
Contact
Shenzhen Washi Energy Co., Ltd.
Room A503, Building A, Lankun Group, Baoxin Road, Dajingshan, Buxin Community, Xin'an Street, Baoan District, Shenzhen
FREQUENTLY BOUGHT TOGETHER
Multi-Feature Innovation in Miniature
WattCycle 12V 100Ah Mini deep cycle battery with an ultra-compact design, EV grade A+ LiFePO4 cells, and an advanced 100A BMS provides a maximum of 100A continuous charge and discharge current, a maximum continuous load power of 1.28kW, and multi-protection, including overcurrent protection, overcharge protection, over-discharge protection, overvoltage protection, high-temperature protection, low-temperature protection, and short circuit protection. The BMS also has the ability to balance cells (passive-balancing). Ideal for demanding applications where durability and efficiency are paramount.
Repairable & Removable Lid for Easy Battery Changes
With brass inserts and a reusable silicone gasket, WattCycle mini battery can be easily repaired. Far superior to competitor battery case design.
Advanced Low Temperature Cutoff Protection
With advanced 100A BMS, WattCycle 12V 100Ah Mini deep cycle battery can stay powered up even in freezing conditions. If the temperature drops below 0°C, charging will pause; when the temperature returns to 5°C, charging will resume automatically.
Versatile Battery Installation Options
With ultra a-compact design (L229 x W138 x H208mm) and a square battery case, you can place the WattCycle 12V 100Ah Mini deep cycle battery as you want. You can place it vertically, sideways, or horizontally, but be careful not to turn the battery upside down.

AC - DC LiFePO4 Battery Charger
- 3 Charging Phase: Pre-charge Stage (T1), Constant Current Charging Stage (T2), Constant Voltage Charging Stage (T3)
- Recommended Charging Current: 20A (0.2C)

Solar Panel with Solar Controller
- Recommended Photovoltaic panel: ≥ 400W
- Recommended Continuous Charging Rate: 0.1C - 1C
- Charging Time (4.5 hours of effective sunlight per day): 1 Sunny days

DC Generator with DC-DC charger
- Charging: DC to DC
- Recommended Charging Current: 20A (0.2C)
- Charging Time: 5 hrs
Expandable up to 20.48kW Power Solution
WattCycle 12V 100Ah Mini deep cycle battery with exceptional scalability can be configured up to 4 in series and 4 in parallel to achieve a maximum of 20.48kWh energy and 20.48kW output power. Ideal for massive power systems needing robust, expandable energy solutions.
Ideal for All Your Power Needs
WattCycle 12V 100Ah Mini deep cycle battery with multi-key features is perfect for a variety of applications, for example, home solar power systems, RVs, vans, motorhomes, trolling motors in marine or boat systems, or off-grid setups. This battery ensures sustained, stable, and reliable energy power.
PRODUCT DESCRIPTION
Mini Size, Max. Power: WattCycle 100Ah Mini-series batteries, with Their Ultra-Mini Size (L229 x W138 x H208mm) and Lightweight (9.50kg), offer a 9.5% weight reduction and a 28% volume reduction compared to the WattCycle 12V 100Ah deep-cycle battery.
Cutting-edge LiFePO4 Technology: WattCycle 100Ah Mini-series batteries are equipped with EV grade-A LiFePO4 cells, a high-end lithium battery brand, which ensures a lifespan of up to 10 years and withstands up to 15,000 cycles.
Advanced 100A BMS Protection: The built-in Battery Management System (BMS) safeguards the 12V 100Ah Mini LiFePO4 battery against overcharge, deep discharge, overload, overheating, extreme temperatures (low and high temperatures), and short circuits. The BMS optimizes cell voltage balance, enhancing overall battery efficiency.
High and Low-temperature Cut-Off Protection: The lithium battery operates in a wide temperature range (-20℃ to 70℃). It automatically shuts off at low and high temperatures, ensuring maximum battery protection and performance in diverse environments.
Ultra-high 3C Discharge Capability: WattCycle 12V 100Ah Mini-series batteries with 100A BMS support 100A continuous charging and discharging and deliver a pulse discharge of up to 3C. This allows for a current output of up to 300A for 1.2 seconds, making them suitable for applications requiring bursts of power.
Wide Applications: All WattCycle batteries are deep cycle LiFePO4 batteries, they are the best choice for your RVs, home storage, and even your marine applications.
TECH SPECIFICATIONS
FAQ's
How long will a 12V 100Ah battery last?
Can you charge the 12V 100Ah Mini LiFePO4 battery with a normal charger?
How long to charge 12V 100Ah Mini battery?
How many solar panels can charge a 12V 100Ah battery?
What’s the difference between the 12V 100Ah battery, 12V 100Ah Mini bluetooth battery, and 12V 100Ah Mini battery?
Can different models of WattCycle 12V 100Ah batteries be connected in series or parallel?
Can this 12V 100Ah Mini battery be placed under the seat of the caravan?
What’s the maximum output energy I can get from 16 WattCycle 12V 100Ah Mini batteries?
COMPARISON
Other Brand 12V 100Ah Mini LiFePO4 Battery | WattCycle 12V 100Ah Mini LiFePO4 Battery | 12V 100Ah Lead-acid Battery (AGM Battery) |
L260 x W133 x H227.5 mm | L229 x W138 x H208 mm | L275 x W175 x H190 mm |
8.6 kg | 9.5 kg | 21.5 kg |
1280Wh Usable Energy | 1280Wh Usable Energy | 600Wh Usable Energy |
0.1627 Wh/cm³ | 0.1947 Wh/cm³ | 0.0656 Wh/cm³ |
0.0351€/kWh (€269.99/pcs @6000 Cycles) | 0.0273€/kWh (€209.99/pcs @6000 Cycles) | 0.722€/kWh (€129.99/pcs @300 Cycles) |
x Low-Temperature Protection | ✔ Low-Temperature Protection | x Low-Temperature Protection |