51.2 V Rack Module
A rack-mounted 51.2 V, 100 Ah battery module with 5.12 kWh nominal energy for compatible solar and backup architectures.
- Nominal voltage
- 51.2 V
- Nominal capacity
- 100 Ah
- Nominal energy
- 5.12 kWh
Application / Hybrid power
Off-Grid & Rural Power Systems
Off-grid systems must balance seasonal loads and renewable generation, battery autonomy, generator backup, inverter limits, and an explicit energy-management strategy.
What the off-grid and rural power solution must accomplish
Off-grid systems must balance seasonal loads and renewable generation, battery autonomy, generator backup, inverter limits, and an explicit energy-management strategy.
Without a strong grid, design errors show up as loss of service, excessive generator runtime, incomplete charging, or accelerated battery stress. Average daily energy hides peak power, seasonal resource changes, consecutive low-generation days, and essential-load priorities.
Recommended system-design approach
Model hourly or representative load and renewable profiles, define service-level and autonomy targets, then coordinate PV, battery, inverter, generator, charge controls, load shedding, protection, monitoring, spares, and local service capability.
- Essential and discretionary loads, peak power, daily energy, seasonality, and growth
- Solar or wind resource, consecutive low-generation periods, and array constraints
- Battery usable energy, charge acceptance, autonomy, temperature, and replacement plan
- Inverter, generator, transfer, load shedding, fuel strategy, and black-start behavior
- Remote monitoring, operator skill, spares, service access, and transport constraints
How to prepare a technical brief
A useful technical brief describes the operating problem before naming a product. Follow the steps below so the proposal can be sized against real loads, constraints, and operating priorities.
- Separate essential loads from deferrable or shed-able loads.
- Model seasonal energy balance and worst representative periods.
- Define autonomy, generator dispatch, and recovery after deep discharge.
- Design for maintainability and available local service capability.
Product starting points
Compare suitable product starting points
Use published ratings to create a shortlist, then confirm the final configuration against the project data and site conditions.
5.12 kWh Stacked Module
A modular stacked home-storage format built around verified 51.2 V, 100 Ah, 5.12 kWh battery modules.
- Nominal voltage per module
- 51.2 V
- Nominal capacity per module
- 100 Ah
- Nominal energy per module
- 5.12 kWh
HX 12 V VRLA AGM
Six verified 12 V VRLA AGM models spanning 7 Ah to 250 Ah, with capacity-rate, mass, and conditional design float-life data.
- HX12-7
- 12 V, 7 Ah at 20HR, 2.05 kg
- HX12-9.2
- 12 V, 9.6 Ah at 20HR, 2.65 kg
- HX12-12
- 12 V, 12.9 Ah at 20HR, 3.45 kg
Technical reading
Use the supporting selection guides
buyer guide
Solar Battery Decision Guide
A solar battery is worth evaluating when it supports a defined objective that can be modeled from interval loads, solar production, outage needs, export limits, tariffs, and operating constraints.
Read guide →selection guide
LiFePO4 vs VRLA
Choose LiFePO4 or VRLA from the duty cycle, power, usable energy, charging, temperature, weight, space, maintenance, system integration, replacement plan, and total project cost—not a chemistry slogan.
Read guide →buyer guide
BESS RFQ Checklist
A useful BESS RFQ states the operating objective, site data, power, usable energy, duration, electrical interface, environment, safety requirements, scope split, documents, and acceptance criteria.
Read guide →Frequently asked questions
What buyers ask before specifying a battery system
How is a battery sized for a solar project?
Sizing starts with interval load data, photovoltaic production, desired backup loads, outage duration, export limits, tariff periods, and the operating objective. Oversizing from monthly consumption alone can produce a poor technical and commercial result.
How should I choose between LiFePO4 and VRLA batteries?
Choose from the actual duty cycle, space and weight constraints, charging strategy, temperature conditions, maintenance plan, expected replacement interval, and total project cost. Chemistry alone does not determine the correct system.
Is nameplate energy the same as usable energy?
Not necessarily. Usable energy depends on the permitted state-of-charge window, operating conditions, conversion losses, control strategy, and project limits. Ask for both nominal and usable values in the final proposal.
How are batteries prepared for international shipment?
The required packaging and transport documents depend on battery chemistry, model, quantity, transport mode, and destination. Shipment planning begins only after those details are confirmed for the specific order.
Discuss a off-grid and rural power project
Send real load and site inputs. The application context will stay attached to the inquiry.