MK 8G22NF GEL High Performance Replacement Battery
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🔹 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 | 55 AH
Terminal Type
Nut & Bolt
Replacement MK Battery 8G22NF GEL Battery (Compatible with MK Battery 8G22NF)
Restore dependable energy to your equipment with this compatible replacement battery for the MK Battery 8G22NF. Built to meet or exceed OEM GEL specifications, this long-lasting battery is crafted for deep cycle and standby use, delivering reliable performance in marine, solar, and mobility applications. If you need a replacement battery that combines low self-discharge, robust construction, and factory-fresh quality, the MK Battery 8G22NF replacement offers the features you need.
Key Specifications
- Model: MK Battery 8G22NF (replacement)
- Chemistry: Pure Gel Technology (not hybrid gel)
- Case Material: ABS (UL94 V-0)
- Self-discharge Rate: Less than 2% per month
- Expected Life (Standby Use): 3 - 5 years
- Condition: Brand New and Factory Fresh
- Warranty: 1 Year Warranty
- Listings/Certification: UL Listed
- Voltage: 12 Volts
- Capacity: 55 AH
- Terminal Type: Nut & Bolt
- Seller/Replacement Brand Reference: SigmasTek
- Operational Orientation: Can be operated in any orientation
- Storage Recommendation: Up to 9 months at 25°C (77°F) before a freshening charge; shorter intervals at higher temperatures
Benefits
- Durability: Pure gel construction and UL94 V-0 rated ABS casing provide a tough, flame-retardant enclosure that protects internal cells and extends service life.
- Long Life: Low self-discharge and a 3–5 year standby life make this a long-lasting battery choice for emergency systems and seasonal devices.
- High Performance: Designed for deep cycle use, this high-performance battery supports frequent discharge/recharge cycles without compromising capacity.
- Versatile Applications: Perfect for marine boats, solar charge systems, electric wheelchairs, scooters, and other mobility devices; also well suited for UPS units, emergency power systems, and jobsite tools requiring reliable standby power.
- Maintenance-Free Operation: Sealed gel design reduces maintenance needs and prevents acid leakage, allowing safer handling and mounting flexibility.
- Easy Installation: Nut & bolt terminals and the ability to operate in any orientation make installation straightforward in a variety of enclosures and battery banks.
Get the replacement MK Battery 8G22NF you need to keep your systems running strong. Purchase this reliable, high-performance replacement battery now and enjoy fast shipping on in-stock items.
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