Amstron AP12-40G 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 | 40 Ah
Terminal Type
Nut & Bolt
Amstron AP12-40G Replacement Battery — Compatible with Amstron AP12-40G
The Amstron AP12-40G replacement battery delivers dependable 12V power in a sealed, maintenance-free package. Designed as a direct replacement battery for the AP12-40G, this unit features VRLA construction, UL certification, and a high discharge profile to support both standby and cyclic applications. Expect rock-solid reliability and long-term performance for sensitive electronics and critical backup systems.
Key Specifications
- Brand: Amstron (replacement compatible)
- Model: AP12-40G
- Volts: 12 V
- Amp Hours: 40 AH
- Terminal: NB (Nut & Bolt)
- Technology: VRLA (Valve-Regulated Lead Acid) sealed battery
- High discharge design and wide operating temperature range
- Weight: 29.07 Lbs
- Dimensions: Length 7.76 In × Width 6.5 In × Height 6.69 In
- Package contains: 1 battery
- Warranty: 1-year Warranty
- Certifications: UL (Underwriters Laboratories) certified
- Shipping: ETD: 3 Business Days; Shipping Methods – UPS Ground and USPS; We ship in 1 business day for all in-stock items
- Guaranteed compatibility with original battery
Benefits
- Durability: Robust VRLA construction offers sealed, maintenance-free operation and resistance to vibration and environmental stress.
- Long life: Designed for extended service life, this long-lasting battery supports prolonged standby duty and reliable cyclic performance.
- High performance: With a high discharge design and 40AH capacity, this high-performance battery delivers steady current for demanding loads.
- Applications: Frequently used in UPS systems, emergency power supplies, alarm and security systems, telecommunications, and rechargeable tools.
- Safety & compliance: UL certification and sealed design reduce risk and make installation near sensitive equipment safer.
- Easy replacement: Guaranteed compatibility with the original AP12-40G and NB terminal configuration simplifies replacement and minimizes downtime.
Upgrade to an Amstron AP12-40G replacement battery for dependable, high-performance 12V power. Order now to restore backup capability, benefit from quick shipping, and protect your equipment with a 1-year warranty.
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