RB1290X3L - Battery CyberPower - Free user manual and instructions
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| Product Type | Rechargeable Sealed Lead-Acid Battery |
| Model | RB1290X3L |
| Brand | CyberPower |
| Nominal Voltage | 12V |
| Capacity | 9Ah |
| Chemistry | Sealed Lead-Acid (SLA) |
| Dimensions (L x W x H) | 151 x 65 x 94 mm |
| Weight | 2.6 kg |
| Terminal Type | Faston Tab (0.187 inch) |
| Application | UPS backup, emergency lighting, security systems |
| Charging Method | Constant voltage charge (2.30-2.35V per cell) |
| Max Charging Current | 2.25A |
| Operating Temperature Range | -20°C to 60°C |
| Storage Temperature Range | -20°C to 50°C |
| Cycle Life | 300-500 cycles at 50% DOD |
| Self-Discharge Rate | ~3% per month at 20°C |
| Safety Features | Spill-proof, flame retardant ABS case |
| Maintenance | Keep terminals clean; avoid deep discharge |
| Repairability | Not user-serviceable; sealed unit |
| Compliance | UL, CE, RoHS |
Frequently Asked Questions - RB1290X3L CyberPower
How to charge the RB1290X3L battery?
Use a compatible constant voltage charger set to 13.8-14.1V for standby use or 14.4-14.7V for cyclic use. The maximum charging current should not exceed 2.25A.
What is the expected lifespan of this battery?
The battery typically lasts 3-5 years in standby applications or 300-500 cycles at 50% depth of discharge, depending on temperature and usage.
Can the RB1290X3L be used in any orientation?
Yes, as a sealed lead-acid battery, it is spill-proof and can be mounted in any orientation except inverted.
How to dispose of this battery?
Do not dispose in household trash. Recycle at an authorized lead-acid battery recycling center. Many retailers offer take-back programs.
What does the 'X3L' in the model number indicate?
The 'X3' typically denotes a 3-battery pack configuration (36V system) or a specific packaging. Check your UPS manual for exact meaning. The 'L' may indicate long life design.
What is the voltage and capacity of this battery?
It is a 12V, 9Ah sealed lead-acid battery. Some configurations may have multiple cells in series for higher voltage (e.g., 36V if three in series).
How to store the battery for long periods?
Store in a cool, dry place at 10-25°C. Charge every 3-6 months to prevent sulfation. Keep terminals clean and disconnected.
Can I replace a single battery in a multi-pack?
It is recommended to replace all batteries in the pack at the same time to ensure balanced performance and avoid premature failure.
What safety precautions should I take?
Avoid short circuits, do not expose to fire, and ensure proper ventilation during charging. Wear gloves when handling.
What are the dimensions of the RB1290X3L?
Each individual battery is approximately 151 x 65 x 94 mm. A multi-pack assembly will differ; measure your unit if needed.
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USER MANUAL RB1290X3L CyberPower
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Product information
Brand : CyberPower
Model : RB1290X3L
Category : Battery