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Before purchasing a Replacement Battery Cartridge (R.B.C.) for your UPS, please consult your original owner's manual for troubleshooting steps to verify that an expired battery is the likely problem. Verification usually involves interpreting front panel LEDs (if present) and initiating system self-tests (if available). It may be helpful to recharge your UPS overnight with no equipment connected. Once charged, retest the UPS for battery power operation. If no battery support is observed, a battery replacement may solve the problem.
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