【Free 12V 12Ah】36V 200Ah LiFePO4 Battery Set
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- Compact: 19.0 x 6.6x 9.4 Inches | 45.20 lbs
- Safe: Low-temperature cut-off protection
- Premium: EV grade A+ LiFePO4 cells
- Durable: 5,000-15,000 deep discharge cycles
- Reliable: Built-in 200A BMS | 2560W | 2560Wh
- Scalable: Expandable max 4S4P, up to 40.96kWh
- Waterproof: IP65
- Certification: MSDS/UN38.3/FCC/CE/ROHS/UL
【Free 12V 12Ah】36V 200Ah LiFePO4 Battery Set is backordered and will ship as soon as it is back in stock.
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User Manual
User Manual
Shipping Service
Shipping Service
Destinations:
- We only ship orders toContinental
- Currently we DO NOT ship to Alaska, Hawaii, and Puerto Rico.
Shipping Fee:
- FREE shipping on all orders
- Shipping method: UPS Ground
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.
Warranty Policy
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.
Youtube Reviews
Youtube Reviews
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Power Your Adventure Longer!
Stable & Reliable
Description
Description
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High Capacity & Lightweight: WattCycle 12V 200Ah lithium battery with 2560W continuous output power and 2560Wh energy is only 20.5kg as well as its energy density is 124.88Wh/kg, while 2 pcs 12V 100Ah lead-acid batteries are 13.70Wh/kg.
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EV Grade A+ LiFePO4 Cells: WattCycle 12V 200Ah deep cycle LiFePO4 battery is equipped with EV grade A+ battery cells, providing more than 5000+ cycle life, and 10 years lifespan. Compared with lead-acid batteries, WattCycle LiFePO4 batteries are non-toxic and eco-friendly energy, offering higher chemical stability, guaranteeing quality and safety.
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Comprehensive BMS Protection: WattCycle 12V 200Ah deep cycle LiFePO4 battery is equipped with 200A BMS, which can protect against overvoltage, overcurrent, over-discharge, short-circuit, overcharge, and extreme temperature (high and low temperature). Also, it can cell balancing.
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Up to 40.96 kWh Energy Solution: WattCycle 12V deep cycle LiFePO4 batteries support max. 4 in series and max. 4 in parallel. 200Ah lithium batteries can build a 48V 800Ah battery system, providing continuous charge- and discharge current 800A, massive 40.96kWh energy and 40.96kW output power.
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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.
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Payment & Security
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Featured Youtube Review
The Ultimate Power Solution: One Battery, Endless Possibilities

Only Grade A Cells, Powerful Core
- Brand New EVE Grade A+ Cells
- Superior Quality and Reliability
- Longer Lifespan
- High Energy Density
- Safety and Stability
- Consistent Performance
- High Performance in Extreme Conditions
- Environmental Friendliness

Primary Safety: EV-Grade BMS Protection
- Max. Cont. Discharge Current: 200A
- Max. Cont. Charge Current: 200A
- Max. Discharge Current (5s):300±50A
Brave the Cold Winter Journeys
Automatic Temperature Monitoring / Low-Temperature Protection / User-Friendliness / Wide Applicability
12V 200Ah in RV System
Connect in Series or Parallel
You can wire 12V 200Ah Core Series Batteries in series to build a 24V, 36V, or even 48V system in your RV.
Your One-Stop Juice Station
Choose the Charging Method That Suits You
-
14.6 V 20A Charger
1) 3 Charging Phase: I1, I2, I3
2) Recommended Charging Rate: 0.1C~5C
3) Full Charging: 5 hours (0.2C) -
Solar Energy Plate
1) Recommended Charging Current: 0.1C~0.5C
2) Recommended Charging Voltage: 14.4~14.6V -
Power Generator
1) Charging: DC to DC
2) Recommended Charger: 20A DC-DC Charger
3)Full Charging: 5 hours
Upgrade to the 12V 200Ah Battery
Your Trusted Solution for Transitioning from Lead-Acid to Advanced Lithium Technology
Tech Specs
GENERAL
Dimensions (Inches) | 19.0 (L) x 6.6 (W) x 9.4 (H) |
Weight | 45.20lbs / 20.5kg |
Waterproof Rating | IP65 |
Warranty | 7 years |
Housing Material | ABS (Flame Retardant Plastic) |
Terminal | M8 bolts |
BATTERY
Cell | EV Grade A+ LiFePO4 Cells |
Nominal Voltage | 12.8V |
Nominal/Usable Capability | 200Ah |
Energy | 2560Wh |
Cycle Life | 5,000 cycles @100% DOD, 6,000 cycles @80% DOD, 15,000 cycles @60% DOD |
Max Depth of Discharge (DOD) | 100% |
Max. Expansion | 4S4P |
Certifications | SDS/UN38.3/FCC/CE/ROHS/UL |
Internal Resistance | ≤40mΩ |
BMS
BMS | 200A |
Max. Continuous Output Power | 2560W |
Max. Continuous Charge Current | 200A |
Max. Continuous Discharge Current | 200A |
Max. Discharge Current | 300±50A (≤5s) |
CHARGE
Charge Voltage | 14.6V ± 0.2V |
Charge Method | CC/CV |
Recommend Charge Current | 40A (0.2C) |
Charge Temperature | 0℃ to 50℃ / 32℉ to 131℉ |
Discharge Temperature: | -20℃ to 55℃ / -4℉ to 131℉ |
Storage Temperature | 0℃ to 55℃ / 32℉ to 131℉ |
Low-Temperature Protection | Yes (32℉/0℃) |
Low-Temperature Charging Protection Auto Recovery | Yes (41℉/5℃) |