Merits Pioneer 1 S133 High Performance Wheelchair 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
12 Volts | 35 AH
Terminal Type
Nut & Bolt
Replacement Merits Pioneer 1 S133 Battery — Compatible with Merits Pioneer 1 S133
Keep your Merits Pioneer 1 S133 powered with this factory-fresh, high-quality replacement battery designed specifically for the Merits Pioneer 1 S133. Built for dependable performance and reliability, this replacement battery offers a stable power source that restores mobility and confidence to your power chair. Whether you need a single swap or to replace both cells, these batteries deliver consistent deep-cycle performance for extended use.
Key Specifications
- Compatible Model: Merits Pioneer 1 S133
- Battery Model: SP12-35 NB
- Voltage: 12 Volts
- Capacity: 35 AH
- Terminal Type: Nut & Bolt
- Technology: Absorbent Glass Mat (AGM) Technology
- Usage: Designed For Deep Cycle Usage
- Construction: Valve Regulated Spill Proof Construction
- Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Brand: SigmasTek
- Quantity Required: Unit requires 2 batteries
- Performance: Performance Guaranteed
Benefits
These Merits Pioneer 1 S133 replacement batteries are engineered for durability and long life. The AGM construction and valve-regulated, spill-proof design provide rugged, maintenance-free operation that resists vibration and leakage—critical features for mobility devices. As a high-performance battery option, they are optimized for repeated deep-cycle discharge and recharge, giving you more usable run time between charges and consistent voltage under load.
Expect a long-lasting battery solution that supports daily use in electric wheelchairs, power chairs, mobility chairs, and mobility scooters. In addition to mobility applications, these batteries are suitable for related standby and portable power uses such as small UPS systems, emergency power backup, and portable tools where a compact, reliable 12V 35AH source is required. Their unmatched power-to-volume ratio makes them an excellent choice when space is limited but reliable energy is essential.
Installation is straightforward when you reuse the original cables and hardware as specified for the SP12-35 NB configuration. With U.L. recognition and CE certification, these batteries meet industry safety expectations while delivering performance guaranteed by the manufacturer.
Restore mobility and confidence today — buy this Merits Pioneer 1 S133 replacement battery now to secure a high-performance battery that’s built to last. Order your long-lasting battery with confidence and get back to reliable power.
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