RB1280X2D - Battery CyberPower - Free user manual and instructions
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| Product Type | Replacement battery cartridge for CyberPower UPS systems |
| Brand | CyberPower |
| Model | RB1280X2D |
| Battery Chemistry | Sealed lead-acid (SLA), maintenance-free |
| Nominal Voltage | 12 V DC |
| Capacity | 8 Ah (20-hour discharge rate) |
| Terminals | 0.187 in. (4.75 mm) faston tabs |
| Dimensions (L x W x H) | 5.94 x 2.56 x 3.70 in. (151 x 65 x 94 mm) |
| Weight | 5.29 lb (2.40 kg) |
| Charge Voltage (Standby) | 13.5 to 13.8 V DC |
| Charge Voltage (Cycle) | 14.4 to 15.0 V DC |
| Maximum Charging Current | 2.4 A (0.3C) |
| Operating Temperature | -20 to 50°C (-4 to 122°F) |
| Self-Discharge Rate | Approximately 3% per month at 25°C |
| Expected Life | 3 to 5 years in standby service |
| Cycle Life | 500 cycles at 50% depth of discharge |
| Housing Material | FL94 flame-retardant ABS |
| Safety Valves | Flame-arresting, pressure-regulating valves |
| Maintenance | Sealed construction; no water addition required |
| Compatibility | CyberPower UPS systems requiring a 12 V, 8 Ah SLA battery |
Frequently Asked Questions - RB1280X2D CyberPower
What does RB1280X2D stand for?
It is CyberPower's replacement battery cartridge designed as a 12 V, 8 Ah sealed lead-acid battery for compatible UPS systems.
How do I install the RB1280X2D battery?
Turn off and unplug your UPS, remove the battery compartment cover, disconnect the old battery cables, insert the new battery, reconnect the cables respecting polarity, close the compartment, and recharge the UPS for at least 8 hours before use.
Is the RB1280X2D maintenance-free?
Yes, it uses a sealed lead-acid construction and requires no water or electrolyte topping up.
Can I use the RB1280X2D in any CyberPower UPS?
No, use it only with UPS models that are designed for a 12 V, 8 Ah battery. Always check your UPS manual or battery specification label before replacing.
How long will the RB1280X2D last on a full charge?
Runtime depends on the connected load. At full load, a typical 12 V 8 Ah UPS battery may provide a few minutes; at half load, it can last longer. See your UPS runtime chart for estimates.
How should I store the RB1280X2D battery?
Store it in a cool, dry, well-ventilated place away from metal objects, and recharge it every 6 months to prevent deep discharge.
Can I dispose of the RB1280X2D battery with regular trash?
No, lead-acid batteries are hazardous waste. Take them to a certified recycling center or return them to the manufacturer or an authorized retailer.
What is the correct charging voltage for this battery?
For standby use, keep the voltage at 13.5-13.8 V DC; for cyclic use, charge at 14.4-15.0 V DC. Do not exceed the maximum charging current of 2.4 A.
How do I know when the RB1280X2D needs replacement?
Replace it immediately if the UPS runtime drops significantly, the unit emits a persistent alarm, or the battery shows swelling or leakage.
Does the RB1280X2D include connecting cables?
It includes only the battery cartridge. The connecting cables are part of the UPS installation and should be reused from your existing battery setup.
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USER MANUAL RB1280X2D CyberPower
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Product information
Brand : CyberPower
Model : RB1280X2D
Category : Battery