【Sold Out】Wattcycle 12V 50Ah LiFePO4 Battery
Expected Delivery on - .
- ✔ L195 x W130 x H170mm, 5.20kg
- ✔ 640W Output Power, 640Wh Usable Energy
- ✔ 123.08Wh/kg Ultra-high Gravimetric Energy Density
- ✔ 50A BMS, 50A Max. Cont. Dis-/Charge Current, 170A ± 30A 1.2s Peak Discharge Current
- ✔ Support 4P4S Connection to 10.24kWh Energy
- ✔ Low-Temp CutOff Protection
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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.

【Sold Out】Wattcycle 12V 50Ah 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
Portable, Reliable, Powerful
Wattcycle 12V 50Ah LiFePO4 lithium battery with compact (L195 x W130 x H170 mm) and lightweight (5.20 kg) design is ideal for your mower. Silent, Powerful, Efficient!
High-Quality Battery Structure, Worry-Free Usage
Wattcycle 12V 50Ah LiFePO4 lithium battery with high-quality battery structure features premium EV grade A+ cells and 50A BMS, providing 5000 - 15000 cycles life, more than 10-year lifespan, and multi-protections (overvoltage protection, overcurrent protection, over-discharge protection, short-circuit protection, overcharge protection, and extreme temperature protection).

100% All-around BMS Protection
Multi-Protection: overvoltage protection, overcurrent protection, over-discharge protection, short-circuit protection, overcharge protection, and extreme temperature protection

3 Charging Ways
- AC - DC LiFePO4 charger
- Solar panel with solar controller (MPPT)
- DC generator with DC - DC charger

Powering Multi-Electrical Appliances
- 50Ah Rated Capacity
- 640W Load Power
- 640Wh Usable Energy
Meet All Your Outdoor Power Needs
With the compact and lightweight design, you can carry the Wattcycle 12V 50Ah LiFePO4 lithium battery anytime, anywhere. It can easily power your RVs, campings, solar systems, electric scooters, wheelchairs, or toy cars.
PRODUCT DESCRIPTION
Small Size, High Energy Density: Wattcycle 12V 50Ah LiFePO4 lithium battery dimension with L195 x W130 x H170mm and weight of 5.20kg has 640W output power and 640Wh energy storage. Its energy density is 123.08Wh/kg, while that of 12V 50Ah lead-acid batteries is 24Wh/kg.
EV Grade-A LiFePO4 Cells: WattCycle deep cycle batteries is equipped with EV grade-A cells, which provide more than 5000+ cycle life and a lifespan of 10 years. Compared with lead-acid batteries, WattCycle batteries are non-toxic and eco-friendly, offer higher chemical stability, and guarantee quality and safety.
Safer 50A BMS: Wattcycle 12V 50Ah LiFePO4 lithium battery mit 50A BMS provides max. 50A continuous charge and discharge current, and multi-protection, such as overvoltage protection, overcurrent protection, over-discharge protection, short-circuit protection, overcharge protection, and extreme temperature protection (high and low temperature).
Series & Parallel Connection: WattCycle 12V deep cycle LiFePO4 batteries support max. 4 in series and max. 4 in parallel. 50Ah lithium batteries can build a 48V 200Ah battery system, providing continuous charge- and discharge current 200A, massive 10.24kWh energy and 10.24kW output power.
Wide Application: All WattCycle batteries are deep cycle LiFePO4 batteries, they are the best choice for your RVs, ham radio, home storage, and even your marine applications.