36V 690Ah LiFePO4 Forklift Battery | Drop-in Replacement for 3-Wheel Electric Forklifts – F36690A
Zero-Maintenance | 26.5kWh Powerful Energy | One Battery for Multiple Shifts
- Exact same footprint as standard lead-acid tray – plug and play, no modifications, no watering, no equalizing.
- 320A continuous / 480A peak discharge delivers stable voltage and full power even when fully loaded with mast raised.
- Over 4000 cycles at 80% DOD – more than 8 years of service in double-shift operations.
- Smart BMS with CAN bus and RS485 communication. Optional self-heating supports charging down to -20°C.
- Direct shipping from CMX Battery factory in Guangdong with 10-year warranty
80V forklift lithium battery buying guide — model selection, runtime estimates, and charger compatibility.
Product Overview
If you’re still operating 3-wheel electric forklifts with lead-acid batteries, you know the routine: watering, acid spills, battery swaps, and a dedicated charging room that eats up floor space. The CMX Battery F36690A 36V 690Ah LiFePO4 Forklift Battery is how you leave all that behind.
Built around a nominal 38.4V system and 690Ah capacity (interchangeable 700Ah rating), this is one of the best forklift lithium battery solutions Chinese manufacturers offer today. Unlike lead-acid, which loses power and torque as it discharges.
The 38.4V 36V (700Ah) 690Ah Forklift Lithium Battery holds a flat voltage curve down to 20% SOC – your operators get consistent travel speed and full lift performance from the first pallet to the last.
As a China 36 volt Forklift Battery Manufacturers Suppliers Factory, CMX Battery controls the entire production chain in-house: cell grading, module assembly, and BMS programming. Every pack meets or exceeds IEC62619 and UL2580 standards, so you’re investing in a certified, insurable power upgrade that lets warehouses scrap the battery room and adopt opportunity charging with confidence.
For operations ready to switch, this 36 volt lithium ion forklift battery delivers a clean, maintenance-free path forward.
Key Features & Benefits
| Feature | Benefit |
|---|---|
| 26.5 kWh Usable Energy (690Ah/700Ah) | Runs 3-wheel electric forklifts through full 8–10 hour shifts with minimal opportunity charging – no mid-shift battery swaps. The 38.4V 36V (700Ah) 690Ah Forklift Lithium Battery rating delivers the same dependable capacity whichever way you specify it. |
| 320A Continuous / 480A Peak Discharge | No voltage sag. Strong hydraulics and acceleration remain steady even under full-rated loads at maximum mast height. |
| CAN Bus + RS485 Smart BMS | Real-time monitoring of cell voltage, temperature, SOC, and fault codes. Integrates directly with forklift controllers and fleet telematics – exactly what you need in a smart 3-wheel forklift lithium battery solution. |
| IP65 Enclosure + Optional Self-Heating | Withstands wash-downs and humid environments. Self-heating option automatically warms cells above 0°C during charging, ensuring full charge acceptance in cold storage down to -20°C. |
| True Drop-in Design | Matches BCI 18-125-23 footprint. Available in bottom-weighted and perimetric counterweight configurations to preserve the truck’s original stability triangle and load chart. |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | EG- F36690A |
| Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Nominal Voltage | 38.4V (36V system) |
| Nominal Capacity | 690Ah (interchangeable 700Ah rating) |
| Usable Energy | 26.5 kWh |
| Voltage Range | 30V – 43.8V |
| Max Continuous Charge Current | 150A |
| Max Continuous Discharge Current | 320A |
| Peak Discharge Current (5s) | 480A |
| Cycle Life (80% DOD) | ≥4,000 cycles |
| Design Life | >10 years |
| Self-Discharge Rate | <3% per month |
| Dimensions (L×W×H) | 967 × 515 × 779 mm (38.1 × 20.3 × 30.6 in) |
| Weight | Approx. 300 kg (662 lb) – counterweight configurable |
| Ingress Protection | IP65 |
| Communication | CAN bus, RS485 |
| Display | 4.3-inch magnetic touch screen (13 languages) |
| Charge Temperature | 0°C to 50°C (with self-heating option) |
| Discharge Temperature | -20°C to 55°C |
| Compatible Chargers | 48V 300A lithium chargers (SPE, Fronius, Delta-Q, Ecotec, CMX Battery original) |
| Connectors | REMA320 (charge), ANDERSON350 (discharge) |
| Lead-Acid Equivalent | BCI 18-125-23 |
| Certifications | CE, UN38.3, UL2580, IEC62619, CB, ISO9001 |
| Warranty | 10 years |
Applications
3-Wheel Forklifts in Narrow-Aisle Warehouses
Engineered for 3-wheel electric counterbalance trucks working in tight aisles. The perimetric counterweight option maintains the truck’s tight turning radius, and the 26.5 kWh capacity covers a full shift with short opportunity charges.
Multi-Shift Electric Stackers & Pallet Jacks
In logistics hubs running two or three shifts, fast 2–3 hour recharges keep a single battery on the floor all day. No need for spare batteries or a ventilated charge room – just opportunity charging during breaks
Cold Storage & Temperature-Controlled Facilities
The optional self-heating circuit enables full-rate charging at -20°C, while the IP65 enclosure shrugs off condensation and temperature swings common in freezer warehouses and cold docks.
Installation & Compatibility
*Plug-and-Play Replacement
The 36V 690Ah Lithium Forklift Battery – F36690A drops directly into existing 36V lead-acid compartments using the BCI 18-125-23 footprint. Installation is typically under two hours – no welding, no truck modifications. This 36 volt forklift battery | 36V lithium battery pack ships with mounting hardware and connector adapters pre-configured for your equipment.
*Charger Requirements
Requires a lithium-specific CC-CV charger. The BMS will block connection to incompatible lead-acid chargers for safety. Compatible brands include SPE, Fronius, Delta-Q, Ecotec, and CMX Battery’s own 48V 300A units.
*Counterweight Solutions
Bottom-weighted: Ideal for counterbalance trucks where battery mass sits low.
Perimetric: Keeps the original stability triangle intact for 3-wheel and reach trucks.
*Smart Integration
CAN bus and RS485 ports share live data with forklift controllers and CMX Battery’s cloud monitoring platform. From your desktop or phone, you can check SOC, cycle counts, cell balance, and fault alerts across the entire fleet.
*Operating Environment
Discharge: -20°C to 55°C
Charge: 0°C to 50°C (lower with self-heating active)
Ventilation: not required – zero gas emissions during operation or charging
Why Choose CMX Battery
CMX Battery is not a trading company. We manufacture LiFePO4 cells and assemble complete battery packs right on our own production lines in Guangdong.
That makes us one of the few China 36 volt Forklift Battery Manufacturers Suppliers Factory with full in-house control – from raw material quality to final BMS calibration.
More than 10,000 forklift battery packs delivered across 30+ countries have proven one thing: most fleet managers start with a single unit, see the difference in uptime, and return to convert their entire site.
Our engineering team has provided some of the best forklift lithium battery solutions Chinese production can deliver – including custom voltage, connector, and counterweight configurations for specialized equipment.
Every F36690A leaves the factory with a full-cycle test report, PICC product liability insurance, and an 8-year warranty covering capacity degradation and manufacturing defects.
Most operations see complete payback within 12 to 18 months through eliminated battery maintenance, lower energy costs, and extended productive runtime.
When you partner with CMX Battery, you’re getting a complete 3-wheel forklift lithium battery solution – from accurate sizing and pre-delivery testing through installation support and long-term technical backup. We’ll make sure your lithium transition happens smoothly and delivers measurable ROI from day one.
Frequently Asked Questions(FAQ)
Yes – the F36690A is built to the standard BCI 18-125-23 footprint and fits most 36V 3-wheel electric forklifts directly. The only component you need to change is the charger; a lithium-compatible unit is required
10 years, covering capacity degradation and manufacturing defects. PICC product liability insurance is included. Extended warranty packages are available for large fleet purchases.
Using a 48V 300A lithium charger, a full top-up from 20% SOC takes roughly 2–3 hours. A 25-minute opportunity charge can add 20–25% capacity.
Yes. With the optional self-heating function, the battery charges normally at -20°C. The IP65 enclosure protects against condensation and rapid temperature changes
Compatible with Crown, Toyota, Hyster, Yale, Hyundai, Raymond, Clark, Mitsubishi, Linde, Jungheinrich, Doosan, CAT, and other 36V models. Our team verifies compartment dimensions and connector types before shipment to guarantee a perfect match.
The CMX Battery 36V lithium battery pack weighs around 300 kg, compared to 580–620 kg for an equivalent lead-acid battery. Where mass contributes to truck stability, we provide counterweight configurations that keep the forklift’s load rating unchanged.
Absolutely. The pack ships under UN 3480 and holds CE, UN38.3, UL2580, IEC62619, CB, and ISO9001 certificates. All documentation is provided for smooth customs clearance at destination.
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Product & Packaging Details
Q: Do batteries include protection circuits（BMS) and connectors?
A:Protection: We supply batteries with BMS built in Protection Circuit Modules (PCM).
Connectors: We normally use standard like anderson,M8 lugs,Fast plugs or depends on OEM customer's demends.
Q: Are batteries Grade-A and brand new?
A: Yes, we use 100% brand new, Grade-A cells in all our batteries.
Q: Can you print our logo on the batteries?
A: Yes, we offer free custom logo printing with a minimal MOQ requirement.
Q: What is your standard packaging? Can it be customized?
A: Our standard is a white box per battery. We fully support customized packaging, including carton box and logo design.
Yes. CMX Battery is a manufacturer located in Shenzhen, Guangdong, China. It designs and produces LiFePO4 battery packs for energy storage, electric forklifts, marine applications, golf carts, RVs, and UPS systems.
Based on automated production technology, the current product lead time is 15-25 days.
The company has strategic cooperation agreements with top manufacturers like EVE and REPT, and insists on using A+ tier One lithium iron phosphate cells for its solar batteries.
For 48V inverters, compatible brands include Victron Energy, Goodwe, Studer, Solis, LuxPower, and others. For high-voltage three-phase inverters, compatible brands include Atess, Solinteg, SAJ, Goodwe, and Solis.
CMX Battery offers dealer customers a 10-year warranty and technical service for its energy storage battery products.
DoD describes how much of the battery's capacity has been used. A DoD of 100% means the battery is completely empty, while 0% means it is full.
SoC reflects the battery's charge level. A SoC of 100% means the battery is full, and 0% means it is empty.
C-rate, or power factor, indicates how quickly a battery can be charged or discharged relative to its capacity. A rating of 1C means the battery can be fully charged or discharged in one hour.
The battery uses Lithium Iron Phosphate chemistry and provides a cycle life of over 6,000 cycles at 90% Depth of Discharge, and over 10 years at one cycle per day.
kW (kilowatt) is a unit of power, measuring the rate of energy production or consumption. kWh (kilowatt-hour) is a unit of energy, measuring the total amount of work done or energy used over time.
CMX Battery home batteries are suitable for both indoor and outdoor installation (depending on the model's protection level) and offer floor-standing or wall-mounted options. Common locations include garages, attics, or under eaves.
This depends on the load. As a realistic example, a 10kWh battery could run ten 100-watt light bulbs for 12 hours without recharging.
The number varies based on home size, energy consumption history, and personal goals (like which devices to run during an outage). For most systems, 2 or 3 batteries are installed. A detailed discussion of your needs is recommended for an accurate assessment.
Yes, it is possible, but it requires careful planning and significant investment. A true off-grid system needs a large enough solar array and sufficient battery storage to sustain your lifestyle. Cost and having an alternative energy source for when solar charging isn't possible are key considerations.
No. CMX Battery focuses on building long-term relationships with business partners like battery distributors, solar equipment dealers, and installation contractors worldwide, not direct sales to end consumers.
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