HX 12 V VRLA AGM
Six 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
Application / Standby power
Telecom & UPS Backup Power
Standby battery banks should be sized from the protected load, required autonomy, DC bus, discharge rate, charger, temperature, redundancy, and end-of-life criteria.
What the telecom and ups backup solution must accomplish
Standby battery banks should be sized from the protected load, required autonomy, DC bus, discharge rate, charger, temperature, redundancy, and end-of-life criteria.
Backup loads may change over time, short runtimes draw higher current than long rate labels imply, and temperature or charger settings can materially affect available performance. A nominal Ah comparison alone cannot establish the required bank.
Recommended system-design approach
Verify the real load and DC architecture, select the correct discharge table, apply project aging and temperature assumptions, then check charger capacity, protection, rack loading, cable drop, ventilation, monitoring, and replacement access.
- Measured load, autonomy, DC bus, end voltage, and redundancy criterion
- Constant-power or constant-current discharge data at the required runtime
- Ambient temperature, aging allowance, charger settings, and recharge requirement
- Series and parallel arrangement, fault protection, cable voltage drop, and rack load
- Monitoring, inspection, replacement, transport, and end-of-life plan
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.
- Measure or validate the steady and transient protected load.
- Define required autonomy and acceptable end voltage.
- Use the model discharge data at that duration, not only the nameplate Ah.
- Verify charger, rack, protection, monitoring, and maintenance scope.
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.
Technical reading
Use the supporting selection guides
technology guide
How VRLA AGM Works
A VRLA AGM battery immobilizes electrolyte in a glass-mat separator and is designed for gas recombination under controlled charging, but it still requires correct voltage, temperature, protection, ventilation, inspection, and replacement planning.
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
Is VRLA design float life a warranty period?
No. Design float life is a reference value under stated float-service conditions. Actual service life depends on temperature, charging, discharge depth, frequency, installation, and maintenance, while warranty is a separate contractual term.
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.
What warranty applies to the products?
Warranty terms are model- and contract-specific. Ask for the written warranty supplied with the exact quotation; design life, cycle data, and warranty are different concepts and must not be treated as interchangeable.
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 telecom and UPS backup project
Battery storage options for your site’s loads and operating needs.