Ajax Systems 27858.87.NC Replacement Lithium Battery 3.7V, 2000mAh for Hub 2Plus
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
Key Features
- Restores uninterrupted protection: quickly replaces the Hub 2Plus battery to maintain continuous security and monitoring
- OEM-fit reliability: designed for seamless compatibility with Ajax Hub 2Plus for stable alarm and communication performance
- Long-lasting power: 3.7V lithium cell with 2000mAh capacity provides dependable backup runtime for surveillance and smart-home devices
- Compact, space-saving design: slim 9.5 x 35 x 80 mm form factor fits the hub without modification for fast, tool-free replacement
- Safe and stable operation: lithium chemistry engineered for consistent voltage under load, supporting dependable sensor and alarm responsiveness
Quick Specifications
- Product Model
- 27858.87.NC
- Brand Name
- AJAX
- Manufacturer Part Number
- 27858.87.NC
Explore the details
Product information
27858.87.NC
Overview
Keep your Ajax Hub 2Plus security system fully operational with this OEM-quality replacement lithium battery from AJAX. Engineered to restore reliable backup power, this 3.7V, 2000mAh cell (manufacturer part 27858.87.NC) ensures your smart-home security, surveillance and monitoring devices remain active during outages or maintenance. The compact 9.5 x 35 x 80 mm package fits the Hub 2Plus housing for a straightforward swap that minimizes downtime and preserves alarm connectivity. Designed to meet the rigors of professional security setups, the battery delivers stable voltage under load so sensors, cameras and communication modules continue to perform when you need them most. Installing this replacement battery helps extend the service life of your hub and reduces false alerts caused by low power. Keep backup power on hand for critical sites — from small businesses to residential systems — where uninterrupted monitoring is essential. Order this AJAX replacement battery to maintain continuous protection and ensure your security network stays online.
Features
- Restores uninterrupted protection: quickly replaces the Hub 2Plus battery to maintain continuous security and monitoring
- OEM-fit reliability: designed for seamless compatibility with Ajax Hub 2Plus for stable alarm and communication performance
- Long-lasting power: 3.7V lithium cell with 2000mAh capacity provides dependable backup runtime for surveillance and smart-home devices
- Compact, space-saving design: slim 9.5 x 35 x 80 mm form factor fits the hub without modification for fast, tool-free replacement
- Safe and stable operation: lithium chemistry engineered for consistent voltage under load, supporting dependable sensor and alarm responsiveness
| General Information | |
|---|---|
| Brand Name | AJAX |
| Manufacturer Part Number | 27858.87.NC |
| Battery Information | |
| Battery Capacity | 3000mAh |
| Physical Characteristics | |
| Dimensions | 9.5mm x 35mm x 80mm |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- 2785887NC
- Manufacturer part:
- 27858.87.NC
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsAjax Systems 27858.87.NC Replacement Lithium Battery 3.7V, 2000mAh for Hub 2Plus
27858.87.NC