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1 BATTERY
INCLUDED
1 confirmed compatible UPS model
These UPS models are confirmed compatible. Check the complete model number on your UPS before ordering.
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C0309Confirmed
Showing all 1 compatible UPS models.
About this battery pack
Mitsubishi C0309 Compatible Replacement Battery
The Mitsubishi C0309 compatible replacement battery restores backup power to the UPS models listed below. It replaces the battery only: reuse the wiring, connectors and hardware from your current battery.
Compatible UPS Models
- Mitsubishi C0309
Battery Specifications
- Contents: 1 x 6V 20Ah sealed lead-acid battery, NB terminals
- Chemistry: Valve-regulated sealed lead-acid (VRLA), maintenance-free
- Per battery: 6V 20Ah, NB terminals (5 mm nut and bolt), 6.84 lb, 157 x 83 x 125 mm (6.18 x 3.27 x 4.92 in)
- Expected life: 3 to 5 years
Certifications & Quality
- U.L. Recognized and CE Certified
- Brand new, not refurbished
- 1-year warranty
What's Included
- 1 x 6V 20Ah battery (NB terminals)
Important: This replaces the battery only. Move the existing wiring, connectors and hardware from your current battery to the new battery.
📦 Ships across Canada | 📞 438-881-3363 | ✉️ info@upsplusbattery.com
Mitsubishi trademarks are the property of their respective owners and are used for product identification and compatibility reference only. UPSPLUSBATTERY.CA is an independent multi-brand retailer and is not affiliated with or endorsed by Mitsubishi.
Technical specifications
Questions before you buy
Which battery does the Mitsubishi C0309 take?
The Mitsubishi C0309 takes 1 x 6 V 20 Ah battery. This replacement is listed for it. Check the full model name on your UPS label before you order.
How do I confirm this battery fits my UPS?
Find the model number on the UPS label. Check that the exact model, including any regional suffix, is in the compatibility list above. If it is missing, email your UPS model number; we'll respond within one business day with the compatibility information we can verify.
What's the warranty, and who handles claims?
Replacement batteries carry a 1-year UPSPLUSBATTERY warranty against defects. Claims are handled by our team in Canada. Email info@upsplusbattery.com with your order number and a description of the fault. We will provide the next steps for your claim.
Is this an OEM battery or an aftermarket compatible?
Compatible aftermarket. This product is presented as a compatible replacement, not an OEM battery. Confirm the exact UPS model and review the product specifications before ordering. Replacement batteries carry the 1-year UPSPLUSBATTERY warranty.
Can you replace the battery for me on site?
Yes. On-site battery replacement is available. Request it online and this battery is already filled in for you. Request on-site replacement