12.8V100Ah LiFePO4 Battery
Power your RV, marine, solar, and off-grid projects with a reliable 12.8V 100Ah LiFePO4 battery. Built with BYD LiFePO4 cells and a smart BMS, this 12.8v 100ah lithium battery supports Bluetooth app monitoring, stable discharge, and long service life—ideal for deep-cycle applications.
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Why This 12.8V 100Ah LiFePO4 Battery Stands Out
Smart Battery Management + Bluetooth Monitoring
The built-in intelligent BMS tracks key battery data and protection status. With Bluetooth connectivity, users can monitor battery performance directly from the app—perfect for field installs and after-sales support.
6000+ Deep Cycles for Long-Term Value
Using premium LiFePO4 chemistry and BYD cells, this battery delivers 6000 cycles or more (defined at 70% end-of-life), designed for long-term deep-cycle use versus traditional lead-acid.
Compact, Practical Form Factor
Optimized internal structure helps deliver high energy density in a compact footprint, making it easier to integrate into RV compartments, marine battery boxes, and solar storage cabinets.
Drop-In Upgrade for Many 12V Systems
A popular replacement choice for lead-acid in deep-cycle use cases. This makes it a practical option for buyers searching 1.2kWh battery, 12v battery 100ah, or 12.8v 100ah deep cycle battery.
OEM/ODM Customization for Distributors
As a direct manufacturer, we support customization such as label/branding, packaging, documentation, and connector/port adaptation for your market.
Multi-Layer Safety & Maintenance-Free
Built-in BMS protects against overcharge, over-discharge, short circuit, and high temperature. No acid leaks, no watering needed — safer for RVs, marine, and off-grid solar.
Applications (12V Lithium Battery Applications)
- RV / Camper house battery systems
- Marine auxiliary power & deep cycle usage
- Solar storage for small off-grid systems (12V)
- Backup power for DC loads (routers, lighting, portable DC systems)
- Trolling motors and lightweight marine setups (system-dependent; verify current draw)
Parameters
| Shell Material | PC+ABS |
| Rated Capacity | 1280Wh |
| Battery | BYD LiFePO4 |
| Lifespan | ≥ 6000 Cycles @70%EOL |
| Nominal Capacity | 100Ah |
| Nominal Voltage | 12.8V |
| Communication Mode | Bluetooth |
| Operating Temperature | -10℃~60℃ |
| Dimensions | 260×168×209 mm |
| Weight | 9.94 kg |
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About us
A decade of energy storage manufacturing excellence.
Residential Solar Energy Storage Battery Solution Manufacturer
TURSAN is a high-tech enterprise integrating R&D, manufacturing, and global sales of lithium battery–based energy storage systems. Founded in 2016, we operate a 20,000+m² production facility producing reliable LiFePO4 power solutions for residential, commercial, and outdoor applications.
Through a strategic partnership with BYD, we co-manufacture larger-capacity, safer, and more environmentally friendly portable power stations and home battery backups. Today we serve global brand owners, distributors, EPC contractors, and project developers in over 60 countries — saving OEM clients up to 20% in annual sourcing cost while meeting the toughest international safety standards.
OEM&ODM Process
Confirm Requirements and Finalise the Solution
We collect all customer specifications: voltage, capacity, dimensions, communication protocol, etc. Then we decide if it is a pure OEM job (build exactly to your drawings) or an ODM job (we provide the design). We issue a clear BOM (bill of materials) and 2D/3D drawings for both parties to sign off, avoiding any later misunderstandings.
Procurement and Incoming Inspection
We purchase all materials according to the BOM: cells, enclosure, brackets, screws, wiring, BMS boards, etc. When goods arrive, we do sampling or 100% inspection. For cells, we measure voltage, internal resistance and check appearance. For structural parts, we check dimensions and hole sizes. Any non‑conforming items are rejected and never go into our warehouse.
Cell Sorting and Matching
We group cells from the same batch by voltage and internal resistance values. We then match cells with the closest parameters into one set (for example, if a string uses 4 cells, the voltage and resistance differences among those 4 must stay within our set limits). This directly affects how long the battery pack will last without performance decay.
Laser Welding and Module Assembly
We fix cells into holders, then laser‑weld the tabs (connectors). We do pull‑force tests on sample weld spots to check strength. After that, we fasten the welded sub‑modules into the enclosure or tray, using torque‑controlled tools to apply the correct tightening force.
BMS Installation and Wiring Connection
We mount the main BMS and slave boards in their designated positions, then plug in all voltage sampling wires and temperature sensors. We always have a two‑person verification of the wiring sequence – this prevents reverse connections that could burn the boards when we power up.
First High‑Voltage Safety Test
We apply high voltage between the positive/negative terminals and the enclosure to measure insulation resistance and withstand voltage. We check for any leakage or breakdown. If this test fails, the module goes back for rework immediately – it does not move forward.
High‑Temperature Standing and Self‑Discharge (K‑Value) Check
We place the modules in a 45 °C room for 24–48 hours. We measure voltage before and after the standing period, then calculate the daily voltage drop (K‑value). Units with excessive drop are rejected because they indicate internal micro‑shorts that could cause early failure later.
Charge/Discharge Aging and Capacity Calibration
We connect the modules to charge/discharge equipment and run several full cycles at the current specified by the customer. During the process, we record actual discharge capacity, charge/discharge efficiency, and the temperature/voltage differences among individual cells. If all data stay within our acceptance limits, we calibrate the final rated capacity. If not, we isolate and analyse the failed units.
Final Inspection, Labelling and Packaging
We re‑measure total voltage, internal resistance and insulation performance. We check appearance for scratches, gaps, or damaged screws. We attach a permanent nameplate (with serial number), UN38.3 hazardous‑goods label, and all required operation warning labels. Then we package the battery with foam or cardboard for shock protection, as per customer requirements, and record the final weight.
Shipment and Document Handover
We verify the shipping quantity, address and consignee. We prepare all accompanying documents: factory test report, MSDS, UN38.3 test summary, and transport condition certificate. We arrange pickup with our logistics partner, and after dispatch we send the tracking number and estimated arrival time to the customer.
Frequently Asked Questions (FAQ)
Q1: Is it a “12.8v 100ah lithium battery” or a “12.8v 100ah lifepo4 battery”?
It’s a 12.8v 100ah LiFePO4 battery (Lithium Iron Phosphate). LiFePO4 is a lithium battery chemistry known for safety and long cycle life—often preferred over typical “Li-ion” chemistries for deep-cycle.
Q2: How much energy does it have in kWh?
Rated energy is 1280Wh (12.8V × 100Ah ≈ 1280Wh). Many customers searching “12v 100ah in kwh” are looking for this exact conversion.
Q3: How much energy does it have in kWh?
Runtime depends on load. As a quick estimate:
1.28kWh / Load(W) ≈ Hours (excluding inverter losses if using AC).
Example: 130W load ≈ ~10 hours.
Q4: Can I use it for solar (12V solar battery)?
Yes. It works well as a 12.8v 100ah solar battery with a compatible solar charge controller (LiFePO4 charging profile recommended).
Q5: Can it run a trolling motor?
It can be used as a 12.8v 100ah lithium battery for trolling motor setups, but you should confirm the motor’s current draw and ensure the battery/BMS discharge capability matches your system requirements.
Q6: Can I connect batteries in series or parallel?
Many 12V LiFePO4 systems support series/parallel expansion, but the allowed configuration depends on the BMS design and your inverter/charger specs. If you plan 24V/48V banks, confirm the max series count and balancing method.
Q7: What can I see in the Bluetooth app?
Typically: voltage, SOC (state of charge), cycle count (if supported), temperature, charge/discharge status, and protection events. App features may vary by firmware.
Q8: What does “6000 cycles @70% EOL” mean?
It means after 6000+ cycles, the battery is expected to retain about 70% of its original capacity under the specified test conditions.
Q9: Is it a direct replacement for lead-acid 12.8V 100Ah?
In many deep-cycle applications, yes—this is why buyers often compare it to 12.8v 100ah AGM or lead-acid options. However, charging settings and low-temp charging rules should be matched to LiFePO4 requirements.
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As a professional manufacturer of solar lithium battery energy storage systems, TURSAN is dedicated to providing the global market with high-quality home energy storage batteries, inverters, portable power stations, and all-in-one storage solutions. We now sincerely invite you to become our exclusive partner in your country or region, to jointly develop the clean energy storage market and create steadily growing business value.
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