Mule BKM2 Compatible 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.
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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
6 Volts | 4.5 AH
Terminal Type
F1
Mule BKM2 Battery (Replacement) — Compatible with Mule BKM2
This replacement battery for the Mule BKM2 delivers reliable compatibility, consistent performance, and proven reliability for emergency lighting systems. Designed to meet or exceed the OEM SLA battery specifications, the Mule BKM2 replacement battery offers AGM technology and maintenance-free construction so facility managers and electricians can trust a plug-and-play swap. As a high-performance battery solution, it provides the dependable reserve power required for critical emergency lighting and related applications.
Key Specifications
- Model Compatibility: Mule BKM2
- Brand: SigmasTek
- Voltage: 6 Volts
- Capacity: 4.5 AH
- Terminal Type: F1
- Battery Type: Rechargeable Sealed-Lead-Acid (SLA)
- Technology: Absorbent Glass Mat (AGM)
- Design: Maintenance-Free with Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year
Benefits
Built using Absorbent Glass Mat (AGM) technology, this replacement battery is engineered for durability and long life. The sealed, maintenance-free design eliminates the need for routine electrolyte checks and reduces the risk of spills—ideal for indoor emergency lighting compartments and tight enclosures. As a high-performance battery, it sustains stable output under load, making it well-suited for emergency fixtures that demand uninterrupted power during outages.
The Mule BKM2 replacement battery is optimized for common critical power environments including emergency lighting systems, exit signs, security backup circuits, UPS modules for small equipment, and other emergency power applications. Its U.L. recognition and CE certification ensure it meets safety and performance benchmarks expected in commercial and institutional settings. The sealed SLA chemistry and robust housing make it resistant to vibration and temperature swings encountered in building service environments.
For technicians who require a straightforward, reliable swap, this long-lasting battery arrives factory fresh and ready to install. The 1 year warranty gives additional peace of mind, while the maintenance-free nature lowers long-term ownership costs compared with flooded lead-acid options. Whether you are replacing an aging cell in a stadium, office building, school, or retail space, this replacement battery offers the dependable runtime you need when power matters most.
Ready to restore full emergency lighting performance? Order this Mule BKM2 replacement battery today and secure a high-performance, long-lasting battery that fits your Mule BKM2 system with 100% compatibility.
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