Enersys 12HX300-FR High Rate OEM Compatible Replacement Battery
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⚠️ Quick Reminder
🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.
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Battery Care Guide
Battery Care Guide
Battery Usage and Maintenance Guidelines 🔋
Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.
1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱
Initial Charge
- Fully charge the battery overnight prior to first use.
Conditioning (First 2–6 Charge Cycles)
- Operate the device until the battery reaches approximately 20% capacity.
- Avoid premature recharging.
- Do not allow the battery to fully discharge during the initial cycles.
Post-Conditioning
- Recharge the battery only when necessary.
- These batteries are capable of approximately 500 charge cycles:
- Once daily → ~500 days
Twice daily → ~250 days
Note: Even a partial recharge is considered a full cycle.
2. Sealed Lead Acid (SLA) Batteries 💡
- No conditioning required.
- Maintain the battery in a fully charged state; avoid complete discharge.
- Capable of 300–400 charge cycles.
- Expected service life: 2–3 years, depending on usage conditions.
3. Laptop Batteries (Lithium-Ion) 💻
Initial Charge
- Fully charge the battery overnight prior to first use.
Conditioning (First 2–6 Charge Cycles)
- Charge fully, then discharge to approximately 20% capacity.
- Avoid complete discharge, as some devices may not detect a fully drained battery.
Post-Conditioning
- Minimize frequent plugging and unplugging.
- Allow the battery to discharge moderately at least once per month to maintain optimal performance.
- Occasional cycling is recommended to sustain battery health.
Professional Recommendation
Adhering to these guidelines will enhance battery longevity and ensure reliable performance.
For further assistance regarding your battery or order, our customer support team is available to provide guidance.
Delivery and Shipping
Delivery and Shipping
⚡ Everything You Need to Know About Shipping with BatteryWeb (USA)
We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:
🚚 Shipping & Delivery
Most orders ship next business day (some products like sealed lead acid may take a little longer).
Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).
We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.
Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.
Transit times shown are estimates only (business days, no weekends/holidays).
🌍 Shipping Restrictions
Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.
PO Box deliveries are only available via USPS.
At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.
📦 Important Notes
Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.
If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.
💲 Currency & Pricing
All prices are shown in USD.
Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.
⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).
Volts & Amps
12 Volts | 83 Ah
Terminal Type
Internal Thread
Genuine Enersys 12HX300-FR Replacement Battery (12HX300-FR)
The genuine Enersys 12HX300-FR is a premium, genuine replacement UPS battery built for reliability, performance, and long service life. As a high-rate discharge, sealed lead acid battery, the Enersys 12HX300-FR is optimized for UPS applications where consistent output and dependable standby power are essential. This high-performance UPS battery is an excellent option for data centers, telecom sites, and critical power installations that require a long-lasting battery and trusted OEM quality.
Key Specifications
- Model: 12HX300-FR (genuine Enersys)
- High-rate discharge design — 325 Watts per cell on 15-min rate at 1.67 Volts
- Self-discharge rate: < 3% per month
- Expected life: Up to 10 years in standby use
- Cycle life: Up to 300 cycles at 100% discharge in cycle service
- Construction: No-leak, spill proof construction — can be operated in any position
- Technology: Absorbent Glass Mat (AGM) Technology
- Case: ABS (UL94 V-0) flame retardant case
- Warranty: 3 Year Warranty
- Safety listing: UL Listed
- Quality: Brand New, Factory Fresh; Superior Performance Guaranteed
- Voltage: 12 Volts
- Capacity: 83 Ah
- Terminal: Internal Thread
- Additional product text specs: Enersys12 Volts83 AhInternal ThreadEnersys 12HX300-FR
Benefits
- Reliable OEM performance: As a genuine Enersys battery, the 12HX300-FR offers trusted manufacturer quality and consistent output.
- Extended standby life: Low self-discharge and up to 10 years of standby life make this a long-lasting battery ideal for emergency and standby power systems.
- High output capability: Rated for 325 Watts per cell at the 15-minute rate, this high-performance UPS battery meets the surge and load requirements of critical equipment.
- Robust construction: AGM technology and a flame-retardant ABS case deliver safe, maintenance-free operation and spill-proof handling.
- Versatile use: Well-suited for UPS systems, emergency power backup, telecommunications, medical equipment, and stationary power applications.
- Cycle durability: Capable of up to 300 full discharge cycles, supporting applications that periodically draw significant energy.
- Peace of mind: Professionally tested, packaged, UL listed, and backed by a 3-year warranty for reliable field performance.
Restore reliable backup power with the genuine Enersys 12HX300-FR replacement UPS battery. Purchase today to secure a high-performance UPS battery that delivers long-lasting battery life, OEM quality, and fast shipping.
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Payment & Security
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