APC by Schneider Electric Easy UPS 3S High Capacity Battery String 208V - Vrla Batteries - E3SFBTH2

APC by Schneider Electric E3SFBTH2 Easy UPS 3S High-Capacity Battery String 208V

Overview

The APC by Schneider Electric E3SFBTH2 is a sealed lead-acid (VRLA) battery string module engineered as a high-capacity runtime extension for the Easy UPS 3S platform at 208V. If your facility depends on uninterrupted power for critical loads — whether that's a security NVR stack, a network switching core, or industrial control equipment — the E3SFBTH2 gives you a factory-matched battery source you can add or replace without shutting the UPS down. For anyone specifying power protection hardware, this is the purpose-built battery solution for the Easy UPS 3S architecture, not a third-party workaround.

The module ships as a single unit in a silver-finish enclosure measuring 124 mm wide × 157 mm tall × 760 mm deep — a compact profile that fits cleanly in a rack or battery cabinet alongside the UPS chassis. The sealed VRLA chemistry means no fluid maintenance, no venting requirements beyond standard equipment room ventilation, and no exposure to free acid during normal operation.

Key Features

• Hot-Swap Capability: The E3SFBTH2 supports live battery replacement, so you can pull and replace a degraded string while the UPS remains on-line. For 24/7 environments like a video surveillance head-end or a data center edge node, planned maintenance no longer requires a scheduled outage window.
• VRLA / Sealed Lead Acid Chemistry: Sealed construction eliminates electrolyte spillage risk and waives the specialized ventilation requirements of flooded lead-acid alternatives. Complies with standard equipment room installations without special hazmat provisions.
• RoHS and REACH Compliance: Both certifications are confirmed — mercury-free construction (Hg not present), restricting hazardous substances per EU directive. For enterprise buyers dealing with corporate sustainability mandates or EU import compliance, this box is already checked.
• Operating Temperature Range 0–40°C: Rated for standard commercial indoor environments. The upper bound of 40°C gives headroom for warm server rooms or telecom closets, but this is not an outdoor-rated or extended-temperature module — plan accordingly if the installation site runs hot.
• Storage Temperature Range −15–40°C: A −15°C lower limit for storage gives logistics flexibility if the unit will sit in a warehouse or shipping container before installation in cold climates, without risking electrolyte freeze damage that would void the battery's service life.
• Compact Footprint — 124 × 157 × 760 mm: The narrow 124 mm width and 157 mm height make this string compatible with standard 19-inch rack environments when paired with the appropriate APC Easy UPS 3S battery frame. The 760 mm depth is the critical dimension to verify against your cabinet depth before ordering.
• 56.2 kg Packaged Weight: At approximately 124 lbs packaged, this is a two-person lift. Factor handling equipment into your installation plan for rack deployments, especially in overhead or raised-floor scenarios.

Integration and Compatibility

The E3SFBTH2 is designed specifically for the APC Easy UPS 3S product family at 208V. The product name explicitly references compatibility with the Easy UPS 3S platform — this is not a universal battery string. If your UPS chassis operates at a different voltage or belongs to a different APC product line (Smart-UPS, Symmetra, Galaxy), this module is not the correct match. Verify your UPS model number and its designated battery module SKU before purchasing.

For integrators pairing this battery string with a power-protected network video recorder or surveillance head-end, the Easy UPS 3S platform supports network management and runtime reporting — allowing you to monitor battery state from the same management plane as your other IP infrastructure. The VRLA chemistry is also fully compatible with standard UPS battery management firmware that tracks charge cycles and predicts end-of-life.

If you are building out a complete power protection stack, consider pairing with a PoE switch on a separate UPS circuit to keep cameras and edge devices online independently of the NVR, reducing single-point-of-failure exposure across the surveillance system.

Frequently Asked Questions

Q: Is the E3SFBTH2 compatible with all APC UPS models?

A: No. The E3SFBTH2 is engineered specifically for the APC Easy UPS 3S platform at 208V. It is not a universal battery string. Confirm your UPS model supports this battery module before ordering.

Q: Can the E3SFBTH2 be replaced while the UPS is running?

A: Yes. The E3SFBTH2 supports hot-swap battery replacement, meaning you can remove and install the battery string without powering down the UPS or the connected load — critical for 24/7 operational environments.

Q: What battery technology does the E3SFBTH2 use?

A: Sealed Lead Acid (VRLA). This sealed construction requires no fluid maintenance, produces no free acid under normal operation, and does not require specialized ventilation beyond standard equipment room requirements.

Q: Is the E3SFBTH2 RoHS and REACH compliant?

A: Yes. The E3SFBTH2 carries both RoHS and REACH certifications and is confirmed mercury-free (Hg not present), meeting EU hazardous substance restrictions.

Q: What are the operating temperature limits for the E3SFBTH2?

A: Operating range is 0°C to 40°C. Storage range is −15°C to 40°C. This is an indoor commercial-grade module and is not rated for outdoor or sub-zero operating environments.

Q: How heavy is the E3SFBTH2 and what should I know before installation?

A: The packaged unit weighs 56.2 kg (approximately 124 lbs). Plan for a two-person lift and appropriate handling equipment, especially for rack or overhead installations. Also verify your cabinet depth accommodates the 760 mm module depth before ordering.

Jerry Tildsen

The E3SFBTH2 is one of those components that only gets attention when it fails — and that's exactly why specifying the right module matters. The hot-swap design is the headline feature here: at 56.2 kg packaged, you are not swapping this string casually, but the fact that you can do it without dropping the load means a battery replacement on a live Easy UPS 3S installation does not become a planned outage event for whatever is downstream.

Technical Highlights:

• Hot-Swap VRLA String: Live replacement without load interruption — the single most operationally relevant feature for any 24/7 installation. Paired with the Easy UPS 3S platform's battery management, you get end-of-life prediction so you are not reacting to failures.
• 0–40°C Operating Range: Covers the full range of standard commercial equipment rooms and telecom closets. The 40°C ceiling is real — VRLA batteries derate and age faster above that threshold, so if your IDF or server room runs consistently warm, factor that into your replacement cycle planning.
• RoHS + REACH, Mercury-Free: Both certifications verified on this SKU. For enterprise procurement teams managing EU compliance or corporate hazardous-materials policies, this module clears without exceptions.

Deployment Considerations:

• The 760 mm depth is the critical physical constraint. Measure your battery cabinet or rack enclosure depth before the unit ships — 760 mm is deeper than a standard 600 mm rack depth, so a dedicated battery frame or extended-depth enclosure is likely required.
• At 56.2 kg packaged (roughly 124 lbs), this is a two-person installation minimum. If you are deploying in a raised-floor data center or a ceiling-height battery rack, budget for a lift assist or mechanical aid — this is not a one-technician job.

The E3SFBTH2 is the right call for an Easy UPS 3S deployment protecting a mid-size surveillance head-end or network switching core where scheduled downtime for battery maintenance is not acceptable and RoHS/REACH compliance is a procurement requirement.