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Black rectangular 12V 7AH SLA battery with terminal posts

GreenTechLLC

GreenTechLLC RB1270 12V 7AH SLA battery

SKU CH-9RSZ-NA0N3

12V 7AH sealed lead-acid replacement battery compatible with CyberPower UPS models including EC550G, EC650LCD, EC750G, EC850LCD, ST900U, SX950U, AVRG750LCD, AVRG750U, CP585LCD, CP600LCD, CP685AVRG.

  • Battery voltage rating12 V
  • Battery capacity7AH
  • Product colorBlack
  • Product typeBattery
  • Compatible withCYBERPOWER EC550G, EC650LCD, EC750G, EC850LCD, ST900U, SX950
  • Compatible replacement for CyberPower UPS units
  • 12 V 7 Ah sealed lead-acid chemistry
  • Tested and charged before shipping
  • Fits EC550G EC650LCD EC750G EC850LCD models
  • Replaces RB1270B RB1270A RB1270 part numbers

Direct replacement for CyberPower UPS units

This 12 V 7 Ah sealed lead-acid battery fits the RB1270, RB1270A and RB1270B part numbers used in CyberPower EC550G, EC650LCD, EC750G, EC850LCD, ST900U, SX950U, AVRG750LCD, AVRG750U, CP585LCD, CP600LCD, CP685AVRG and CP685AVRLCD units. It arrives tested, charged and ready to install, restoring backup runtime without modification.

Thermals, noise and power draw in normal use

As a sealed lead-acid cell the pack produces no audible noise and generates only minimal heat during float charging or light discharge. Self-discharge is low, so the UPS maintains readiness with negligible extra power draw from the mains.

Behaviour under sustained load

During extended outages the battery delivers its rated 7 Ah capacity at 12 V, supporting the UPS inverter until the low-voltage cutoff engages. Voltage remains stable through the discharge curve, avoiding premature shutdowns, and the chemistry tolerates deep cycles better than lithium alternatives in standby applications. Not suited for users needing higher capacity than 7 Ah or for UPS models that require a different form factor or voltage.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $32.99
Pricier than about 57% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameGreenTech
Model nameRB1270B, RB1270A, RB1270, RBC2, 1270AH
Part numberRB1270-12V7AH
Product colorBlack
Product typeBattery
Power
Battery voltage rating12 V
Battery capacity7AH
Compatibility
Compatible withCYBERPOWER EC550G, EC650LCD, EC750G, EC850LCD, ST900U, SX950U, AVRG750LCD, AVRG750U, CP585LCD, CP600LCD, CP685AVRG, CP685AVRLCD, CPS585AVR, CPS625AVR, LE850G, OP650, CP685AVR, RB1270B, RB1270A, RB1270, RBC2, 1270AH

Questions about this item

How do I install the RB1270 battery in my CyberPower UPS and what step is often missed?

Power off and unplug the UPS, open the battery door, disconnect the old battery leads noting polarity, connect the new 12V 7AH battery matching red to positive and black to negative, then close the door and power on.

What maintenance or replacement will this 12V 7AH SLA battery need over time?

Expect a service life of three to five years; plan to replace the battery when runtime drops noticeably or the UPS signals a battery fault.

What limit appears first during a prolonged outage with this 7AH battery?

The 7 ampere-hour capacity determines how long the UPS can sustain the load; once the stored charge is depleted the UPS will shut down.

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