FirstPower LFP1238 High Performance 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 | 40 Ah
Terminal Type
Nut & Bolt
FirstPower LFP1238 Replacement Battery — Compatible with FirstPower LFP1238
Replace your failing pack with this replacement FirstPower LFP1238 rechargeable Sealed Lead Acid (SLA) battery, engineered to match or surpass OEM SLA specifications for the FirstPower LFP1238 model. Delivering consistent voltage, dependable capacity, and proven reliability, this battery is an efficient solution for restoring performance to your equipment. Whether you require a long-lasting battery for backup systems or a high-performance battery for day-to-day operations, this unit delivers.
Key Specifications
- Compatible Model: FirstPower LFP1238
- Replacement Brand: SigmasTek
- Battery Type: Rechargeable Sealed Lead Acid (SLA)
- Chemistry / Technology: Absorbent Glass Mat (AGM) Technology
- Voltage: 12 Volts
- Capacity: 40 Ah
- Terminal Type: Nut & Bolt
- Design: Maintenance-Free with Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year
Benefits
- Durable construction for long service life — AGM technology minimizes electrolyte movement and improves robustness in high-vibration or enclosed applications.
- Dependable high-performance battery — consistent 12V output and 40Ah capacity provide the runtime you need for critical equipment and emergency systems.
- Low maintenance and safe — sealed, spill-proof design eliminates regular maintenance tasks and reduces corrosion and leakage risks.
- Broad compatibility — ideal for UPS units, emergency backup systems, alarm panels, medical support devices, mobility equipment, and power tools requiring SLA batteries.
- Certified quality — U.L. recognized and CE certified to meet industry safety and quality guidelines; shipped brand new for immediate installation.
- Reliable connections — nut & bolt terminals offer secure mounting and stable electrical contact to maximize life span and minimize voltage drop.
Don’t let a weak battery halt your equipment. Choose this FirstPower LFP1238 replacement battery for a reliable, long-lasting solution. Order now to ensure continuous power and restore full performance to your device.
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Payment & Security
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