Other
3.2V 55Ah
Grade A
55Ah
3.2V
1.1Kg ± 5 g
139*22*159MM（Excluding ear tips）
3000 times (80% of initial capacity at 0.2C rate, IEC Standard)
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Electrical Performance
Standard charge current: 0.5C (27.5A)
Maximum continuous discharge: 1C (55A)
Peak discharge (≤30s): 2C (110A)
Energy efficiency: >95% @ 0.5C rate
Internal resistance: ≤1.2 mΩ
Mechanical Specifications
Robust aluminum alloy casing
Laser-welded terminals for reliable connections
Compact design for flexible installation options
Compact & Lightweight Design
Optimized form factor for space-constrained installations
60% lighter than equivalent lead-acid batteries
Easy to integrate into existing RV and marine electrical systems
Extended Cycle Life
4000 cycles at 80% depth of discharge
Maintains >80% capacity after years of service
Ideal for daily charge-discharge cycles in solar applications
Enhanced Safety Features
Stable LiFePO4 chemistry, non-flammable
Built-in pressure relief valve and thermal protection
Safe for use in confined spaces like RVs and boats
Excellent Temperature Performance
Charge temperature: 0°C to 55°C
Discharge temperature: -20°C to 60°C
Reliable operation in various climate conditions
Maintenance-Free Operation
No periodic watering or equalization required
Minimal self-discharge (<3% per month)
Ready to use after extended storage periods
Electric Vehicles: Structural battery packs for passenger EVs, commercial vehicles
Utility-Scale Energy Storage: Containerized ESS, grid-level storage projects
Marine Propulsion: High-capacity marine battery systems
Commercial Transport: Electric buses, trucks, and specialty vehicles
Stationary Storage: Large commercial and industrial backup power
Dongguan Misen Power Technology Co., Ltd. possesses advanced equipment, scientific management techniques, and excellent quality control. We focus on 18650, 21700, 32650, polymer, large single-cell power batteries, energy storage batteries, outdoor power supplies, emergency power supplies, lithium battery packs, and more.And the recycling and preparation of new energy vehicle battery modules, and provide OEM&ODM service.
These products are widely used in electric surfboards, electric bicycles, home energy storage, RV energy, marine energy, UPS systems, tower stations, and solar energy storage systems.
We specialize in this field for many years with advanced equipment,scientific management techniques,and excellent quality control which earn us customers all over the world.
Our factory has been evaluated, certified, and inspected by SGS Group. We aim to be a reliable battery supplier for long-term business relationships. All our batteries have passed international certifications, including UL, CE, ROHS, CB, UN38.3, MSDS, IEC, ISO9001 and others.
