Ortho-Kinetics Lark Wheelchair 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 | 35 AH
Terminal Type
Nut & Bolt
SigmasTek SP12-35 NB (12 V 35 AH) Batteries — Compatible with Ortho-Kinetics Lark
Upgrade or replace the batteries in your Ortho-Kinetics Lark with the SigmasTek SP12-35 NB replacement batteries. These factory-fresh, 12 V 35 AH units are designed to be 100% compatible with the Ortho-Kinetics Lark and provide the deep-cycle performance and long-lasting battery life required for daily mobility use. Built with AGM technology and valve-regulated safety, they deliver consistent power and durability you can rely on.
Key Specifications
- Model: SP12-35 NB
- Voltage: 12 Volts
- Capacity: 35 AH
- Terminal Type: NB (Nut & Bolt)
- Technology: Absorbent Glass Mat (AGM)
- Design: Valve Regulated Spill Proof Construction
- Intended Use: Designed For Deep Cycle Usage
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Brand: SigmasTek
- Performance: Performance Guaranteed
Benefits
These SigmasTek replacement batteries deliver long-term value as a high-performance battery solution for mobility systems. AGM construction offers improved charge acceptance, minimal maintenance, and reliable operation over many cycles, making this a long-lasting battery choice for Ortho-Kinetics Lark owners. Valve-regulated, spill-proof design enhances safety and usability in everyday environments.
The SP12-35 NB batteries are particularly well-suited for electric wheelchairs, power chairs, mobility chairs, and mobility scooters, providing the energy density needed for extended range and consistent torque from motors under load. Additionally, their deep-cycle design makes them appropriate for other applications like small UPS backups, emergency power supplies, and portable power packs where a robust 12V 35Ah source is beneficial.
With U.L. recognition and CE certification, these batteries meet recognized safety and quality benchmarks. The included 1 year warranty and performance guarantee give peace of mind for caregivers, mobility technicians, and users investing in replacements. Remember that the Ortho-Kinetics Lark requires two batteries and you should reuse your existing cables and hardware to complete the installation.
Buy your replacement Ortho-Kinetics Lark SP12-35 NB batteries today — a high-performance, long-lasting battery option from SigmasTek that restores mobility and provides dependable power when you need it most.
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