Power Source WP100-12 (91-261) High Performance Replacement Battery
Couldn't load pickup availability
⚠️ 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.
📸 Send Your Battery Photo / Unsure? Expert Help
Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE
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 | 100 Ah
Terminal Type
Internal Thread
Power Source WP100-12 (91-261) 12 Volt 100 Amp Hour Replacement Battery
Replace your failing battery with confidence using the Power Source WP100-12 (91-261) replacement battery. Built to match or exceed OEM SLA specifications, this high-performance battery offers reliable 12 Volt, 100 Ah capacity and dependable compatibility for your Power Source device. It’s a long-lasting battery solution designed for both standby and deep-cycle applications.
Key Specifications
- Model: Power Source WP100-12 (91-261)
- Type: Rechargeable Sealed Lead Acid (SLA)
- Technology: Absorbent Glass Mat (AGM) Technology
- Voltage: 12 Volt
- Capacity: 100 Amp Hour (100 Ah)
- Terminal: Internal Thread
- Design: Maintenance-Free with Spill Proof Construction
- Safety & Compliance: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Compatibility Guarantee: Meets or exceeds OEM SLA battery specifications; 100% compatibility with Power Source WP100-12 (91-261)
- Replacement Brand: SigmasTek
Benefits
- Durability: The AGM design and sealed construction protect internal components from corrosion and leakage, yielding robust performance in rugged conditions.
- Long Life: This maintenance-free, factory-fresh battery reduces the hassle of routine servicing and provides extended service life as a long-lasting battery option.
- High Performance: Delivering steady 12V output and 100 Ah capacity, the WP100-12 replacement battery is optimized for reliable power delivery across a wide range of loads.
- Certified Quality: U.L. recognition and CE certification confirm adherence to international safety and manufacturing standards, supporting safe deployment in sensitive installations.
- Versatile Uses: Ideal for UPS units, emergency backup, alarm and security systems, renewable energy storage, medical devices, and power tools that require dependable sealed lead acid performance.
- Simple Installation: Internal thread terminals make replacement straightforward, ensuring a secure connection and minimizing downtime for critical systems.
- Cost-Efficient Replacement: As a SigmasTek replacement battery with a 1 year warranty, it’s an economical alternative to OEM parts while maintaining compatibility and performance expectations.
Ready to upgrade your backup power? Purchase the Power Source WP100-12 (91-261) replacement battery now and experience a high-performance, long-lasting battery that keeps your equipment protected and operational.
-
Voltage
-
Amp Hours
-
Terminal Type
-
Length (in.)
-
Width (in.)
-
Height (in.)
-
Weight (lb.)
-
Warranty
-
Type
-
Manufacturer
-
Brand Replacement
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



