PowerStar Battery Replacement Back UPS ES 350-3 Year Warranty
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The PowerStar Battery Replacement Back UPS ES 350-3 Year Warranty is a niche pick — read recent reviews before buying in the power protection category, priced around $26.87. Read recent reviews carefully before committing.
PowerStar 12V 2.3Ah SLA Battery Voltage: 12 Volts Capacity: 3.3Ah L- 5.00" W- 3.00" H- 2.00" Applications UPS, Emergency lighting, Fire alarm and security systems, Telecommunication systems, Backup power for testing and measuring instruments, Alarm and security system, Electronic apparatus and equipment, Communication power supply, DC power supply, Auto control systems Replaces: PS-1230, BP3-12, BP3.6-12, CF12V2.6, CFM12V3, CP1232, NP2.6-12, NP3-12, NPH3.2-12, PE12V3AF1, UB1234, WP3-12, SLA1042, SLA1035, SLA1041 Fits UPS Batteries and More: RBC Battery Cartridges RBC35 APC BACK-UPS ES…
SpecPicks Verdict
SpecPicks classifies APC PowerStar Battery Replacement Back UPS ES 350-3 Year Warranty as a niche pick — read recent reviews before buying in the power protection category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. APC's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ PowerStar Brand - 3 YEAR WARRANTY
- ✓ Backed by APC's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- PowerStar Brand - 3 YEAR WARRANTY
- Uninterruptible Power Systems
- EMERGENCY LIGHTING BATTERY
- Electric Gates
- Medical Mobility
Full Specifications
| Brand | APC |
|---|---|
| Voltage | 12 Volts |
| Amperage | 3.3 |
| Unit Count | 1 Count |
| Reusability | Rechargeable |
| Model Number | APC Replacement Battery 35 RBC35 |
| Item Dimensions | 5 x 3 x 2 inches |
| Antenna Location | Emergency Lighting,Ups |
| Battery Capacity | 3.3 Amp Hours |
| Battery Cell Type | Sealed Lead Acid |
| Number of Batteries | 1 12V batteries required. (included) |
| Compatible Phone Models | not aplicable |
| Battery Cell Composition | Sealed Lead Acid |
| Recommended Uses For Product | Emergency Lighting,Ups |
Ready to buy?
APC PowerStar Battery Replacement Back UPS ES 350-3 Year Warranty is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related Power Protection
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- How to Build a Windows 98 Retro PC in 2026
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- Best 1440p Gaming GPUs in 2026
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
More reviews from the SpecPicks archive
Browse all reviews →- $100 CPU Shootout: Ryzen 5 5500 vs Core i3-14100F vs i3-12100F
- Add Wireless Controllers and More Games to Your SNES Classic & Genesis Mini in 2026
- AMD Ryzen Buying Guide 2026: Every Tier Compared
- CompactFlash as an IDE Drive: Silent, Period-Correct Storage for Win98 Rigs
- Best Single-Board Computer Project Kits for Beginners (2026)
- Best Budget PC Gaming Upgrades Under $150 in 2026
- Build a RetroPie Arcade on a Raspberry Pi 4 8GB in 2026
- ComfyUI on an RTX 3060 12GB: VRAM Tuning and Image-Gen Throughput
- ComfyUI on an RTX 3060 12GB: Flux and SDXL Speeds in 2026
- Step 3.7 Flash vs Gemma 4 12B: Which Local Model Wins on a 12GB GPU?
- This Retro Switch 2 Dock Looks Exactly Like an N64 — and Holds Six Cards
- Intel Core Ultra 5 250K Plus vs Ryzen 5 7600X3D: The Mid-Range Faceoff
- Sound Blaster Audigy 2 ZS Won't Install on Windows XP: Driver Hunt + Fix
- Crucial BX500 vs Samsung 870 EVO: Best 2.5" SATA SSD for a Budget Build
- HyperX QuadCast 2 S vs Blue Yeti for Streaming in 2026
- Building a Period-Correct 1999 Quake III Arena LAN Rig: Voodoo3, Pentium III, and Win98 SE
- Best Electric Air Blowers for Gaming Keyboards & PC Fans
- RTX 3060 12GB in 2026: Is It Still a 1080p Value Champion?
- Why NVIDIA Killed 3dfx: How the Voodoo Brand Still Haunts Modern GPU Launches
- AVX-512 Speeds Linux Software RAID Up to 41% — What It Means for Your Homelab NAS
- OG NeoGeo Stick vs 8BitDo SN30 Pro: Which Feels More Period-Correct for Fighting Games in 2026?
- A LEGO Castle Case for the Raspberry Pi 5 Is Going Viral — Here's the Build
- Raspberry Pi 4 8GB as a Low-Power Quake 3 / OpenArena / UT99 Dedicated Server (2026 Build Log)
- Ollama vs llama.cpp on a 12GB GPU: Which Is Faster for Single-User Chat?