【⚡72H Flash Sale】WattCycle 12V 100Ah Deep Cycle LiFePO4 Battery
Expected Delivery on - .
- ✔ L260 x W168 x H209mm, 10.5kg
- ✔ 1280W Output Power, 1280Wh Usable Energy
- ✔ 121.90Wh/kg Ultra-high Gravimetric Energy Density
- ✔ 100A BMS, 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 - €188,99
- 2 Pack (€187,09/each) - €374,19
- 3 Pack (€185,23/each) - €555,69
- 4 Pack (€183,32/each) - €733,29
- 12V 100Ah with a monitor - €278,99
【⚡72H Flash Sale】WattCycle 12V 100Ah Deep Cycle 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
WattCycle 12V Best Budget Battery
WattCycle 12V 100Ah deep cycle LiFePO4 battery with compact design (L260 x W168 x H209 mm) and IP65 water-and dustproof is equipped with Top EV grade A+ LiFePO4 cells and 100A safe BMS protection, providing excellent performance, unbeatable safety, and massive 1280W output power and 1280Wh energy for your indoor- and outdoor applications.

Brand New EV Grade A+ LiFePO4 Cells
WattCycle 12V 100Ah deep cycle LiFePO4 battery uses EV A+ grade battery cells, providing 5000+ cycles @100% DOD, 8000+ cycles @70% DOD, and 15000+ cycles @40% DOD, while lead-acid batteries can only last 300 - 500 cycles.
- High Energy Density
- Long Cycle Life
- High Safety Standards
- Stable Performance

Intelligent BMS Protection
WattCycle 12V 100Ah lithium battery is equipped with premium 100A BMS, which protects against overcurrent, overcharge, over-discharge, overload, extreme temperature (high and low temperature), and short-circuit. Also, it can cell-balancing.
- Max. continuous charge-/ discharge current: 100A
- Max. discharge current (1.2s): 300A ± 50A
Advanced Protection in Extreme Environments
WattCycle 12V 100Ah lithium battery with advanced 100A BMS protects against extreme temperatures (high or low temperature). You can use the battery at -20℃-70℃, and charge at 0℃-50℃.
Drop-in Lead-acid Replacement
WattCycle 12V 100Ah deep cycle LiFePO4 battery with compact & lightweight design (L260 x W168 x H209 mm, 10.55 kg) has a higher energy density (121.33 Wh/kg) than 12V 100Ah lead-acid batteries (27.40 Wh/kg), Your Best Choice for lead-acid replacement.
Renewable 20.48kWh Energy Solution
WattCycle 12V 100Ah deep cycle LiFePO4 battery supports max. 4P4S scalable configuration to 20.48 kWh power solution. The 16 pcs 100Ah lithium batteries build a 48V 400Ah battery system, providing 400A max. continuous charge and discharge current and 20.48 kW output power.
Ready For Multi-Adventure
WattCycle 12V lithium batteries with EV grade A+ cells and 100% safe BMS protection is a versatile powerhouse, perfect for a variety of applications. Whether integrated into a home solar power system, used in an RV, van, camper, powering a trolling motor in a boat or marine system, or supporting an off-grid setup, the battery ensures reliable, efficient energy storage.
PRODUCT DESCRIPTION
High Capacity & Lightweight: WattCycle 12V 100Ah lithium battery, with its 1280W continuous output power and 1280Wh energy, weighs only 10.50kg. Its energy density is 121.90Wh/kg, while that of 12V 100Ah lead-acid batteries is 27.40Wh/kg.
EV Grade A+ LiFePO4 Cells: WattCycle 12V 100Ah deep cycle LiFePO4 battery is equipped with EV grade A+ battery cells, which provide more than 5000+ cycle life and a lifespan of 10 years. Compared with lead-acid batteries, WattCycle LiFePO4 batteries are non-toxic and eco-friendly, offer higher chemical stability, and guarantee quality and safety.
Comprehensive BMS Protection: WattCycle 12V 100Ah deep cycle LiFePO4 battery is equipped with 100A BMS, which can protect against overvoltage, overcurrent, over-discharge, short-circuit, overcharge, and extreme temperature (high and low temperature). Also, it can cell balancing.
Up to 20.48kWh Energy Solution: WattCycle 12V deep cycle LiFePO4 batteries support max. 4 in series and max. 4 in parallel. 100Ah lithium batteries can build a 48V 400Ah battery system, providing continuous charge- and discharge current 400A, massive 20.48kWh energy and 20.48kW output 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
What is the maximum charging current for a 12V 100Ah LiFePO4 battery?
How many watt hours in a 100Ah 12V battery?
Can a 12V 100Ah battery be used in extreme temperatures?
How long will a 12V 100Ah battery last?
What size solar panel to charge 12V 100Ah battery?
Is it better to have a 2 100Ah or 1 200Ah battery?
Can I connect this 12V 100Ah lithium battery with a Mini battery?
What is the difference between a 12V 100Ah battery and a Mini battery?
How long do 4 Parallel 12V 100Ah lithium batteries last?
COMPARISON
Other Brand 12V 100Ah LiFePO4 Battery | WattCycle 12V 100Ah LiFePO4 Battery | 12V 100Ah Lead-acid Battery (AGM Battery) |
L329 x W172 x H214 mm | L260 x W168 x H209mm | L275 x W175 x H190 mm |
11 kg | 10.5 kg | 21.5 kg |
1280Wh Usable Energy | 1280Wh Usable Energy | 600Wh Usable Energy |
0.1056 Wh/cm³ | 0.1402 Wh/cm³ | 0.0656 Wh/cm³ |
116.36 Wh/kg | 121.90 Wh/kg | 27.91 Wh/kg |
€0.0286/kWh (€219.99/pcs @6000 Cycles) | €0.0255/kWh (€195.99/pcs @6000 Cycles) | €0.722/kWh (€129.99/pcs @300 Cycles) |
x Low-Temperature Protection | ✔ Low-Temperature Protection | x Low-Temperature Protection |