Enersys 12HX505 High Rate OEM Compatible Replacement Battery
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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 | 145 Ah
Terminal Type
Internal Thread
EnerSys 12HX505 High Rate Replacement Battery — Compatible with 12HX505
The EnerSys 12HX505 high rate replacement battery from the DataSafe® HX series offers industry-grade compatibility and dependable runtime for critical backup installations. Engineered for efficiency and consistent recharge performance, this high-performance battery is ideal for data centers, network operations centers, and industrial process control facilities where uninterrupted power is essential. The 12HX505 replacement battery combines proven AGM technology with robust construction for reliable, long-lasting battery service.
Key Specifications
- Brand: EnerSys
- Model: 12HX505 (DataSafe® HX series)
- Volts: 12 V
- Amp Hours: 123 AH
- Watts per Cell: 506 W/C (15 minute rate at 1.67V)
- Weight: 103.00 Lbs
- Length: 13.30 In
- Width: 6.80 In
- Height: 10.70 In
- Terminal: IT (Internal Thread)
- Technology: Absorbent Glass Mat (AGM) Sealed Battery
- Self-Discharge at 77°F: <2%/month
- Expected Service Life: Up to 10 years in standby
- Cycle Life: Up to 300 complete discharge cycles
- Features: Positive/negative plate grids lead-calcium-tin alloy, flame arresting cell vents, hermetically sealed containers and covers, AGM separators, high performance brass threaded receptacle and faston options, increased energy density
- Warranty: 2-Year Warranty for Replacement battery (option to upgrade to 3-Year); 3-Year Warranty for OEM battery
- Shipping: ETD 3 Business Days if in-stock; UPS Ground or freight for larger quantities; ships in 1 business day for in-stock items
Benefits
The EnerSys 12HX505 replacement battery is engineered for durability and a long service life in standby scenarios. Using computer-optimized electrochemistry and high-energy-density construction, it provides steady output at high rate discharge and quick, efficient recharge—ideal for supporting UPS systems and critical infrastructure. The AGM design eliminates free liquid electrolyte, providing a maintenance-free, leak-resistant solution that can be installed in many orientations.
Safety and reliability are built into the 12HX505 with flame-arresting vents, pressure relief valves, and hermetically sealed covers to reduce the risk of leaks and external contamination. These features, along with UL recognition, make it suitable for sensitive environments like data centers, banks, and semiconductor manufacturing facilities. Typical applications include Uninterruptible Power Supply (UPS), Emergency Power Supply, Emergency Lighting, Solar Power Systems, and industrial backup use — and it can be used where reliable, long-lasting battery backup is required.
Ready to replace your existing battery with a high-performance, long-lasting battery solution? Order the EnerSys 12HX505 replacement battery today and ensure your critical systems remain protected.
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