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UPS, Standby & Backup Batteries

Sealed maintenance-free VRLA batteries for UPS systems, alarms, security, emergency lighting, medical devices and telecom. Compact RT series and high-rate HR series — all in stock.

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Compact VRLA · small UPS, alarms, security & emergency lighting
Shop all Ritar RT Series →
High-rate discharge · UPS & data/telecom backup
Shop all Ritar HR Series →
UPS & Standby Buying GuideGet more life — and choose the right battery
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RT vs HR — what's the difference?

RT is compact general standby for small UPS, alarms and emergency lighting. HR (High Rate) delivers more power per cell for short, high-current UPS backup.

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Match your existing battery

Replace like-for-like on voltage and Ah (or W rating). Check terminal type (F1/F2) and case size so it drops straight in.

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Maintenance-free & sealed

Sealed VRLA/AGM means no topping up and safe mounting in most orientations — ideal for set-and-forget backup.

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Long standby life

Low self-discharge and long design life keep systems ready. Plan to replace every 3–5 years for reliable protection.

Need the right backup battery?

Tell us your UPS or system model, voltage and Ah — we'll match the correct RT or HR battery and terminal.