Suntech Indigo 3 & 4 Compatible Wheelchair 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
Suntech Indigo 3 & 4 Replacement Battery - SP12-35 NB (12 V 35 AH)
Get back on the move with confidence by choosing this factory-fresh replacement battery for the Suntech Indigo 3 & 4. Designed for seamless compatibility and dependable output, this high-performance battery restores runtime and responsiveness to your mobility device. Ideal for everyday use or extended outings, it gives you the reliability and long-lasting performance you expect from a quality replacement battery.
Key Specifications
- Compatible Model: Suntech Indigo 3 & 4
- Battery Model: SP12-35 NB
- Voltage: 12 Volts
- Capacity: 35 AH (Amp-hours)
- Technology: Absorbent Glass Mat (AGM)
- Designed For: Deep Cycle Usage
- Construction: Valve Regulated, Spill Proof
- 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
- Terminal Type: Nut & Bolt
- Quantity Required: 2 Batteries per Unit
- Brand: SigmasTek
Benefits
Constructed using AGM technology, this replacement battery delivers steady, maintenance-free power tailored for deep-cycle applications. Its valve-regulated, spill-proof design enhances safety and reliability, making it suitable for the rigors of mobility equipment. As a long-lasting battery solution, it provides sustained capacity to power motors and control systems without frequent replacements.
The battery’s optimized power-to-volume ratio yields exceptional energy density so you get more usable power in a compact package. Certified to U.L. and CE standards and backed by a performance guarantee, it meets industry expectations for safety and quality. Common applications include electric wheelchairs, power chairs, mobility chairs, and mobility scooters — any device that needs a dependable deep-cycle battery.
Installation uses your existing cables and hardware, and the nut & bolt terminal ensures a secure connection. This high-performance battery is brand new and factory fresh, and with a 1 year warranty it provides reliable protection and support. Orders for in-stock items typically ship within 24 hours, helping you minimize downtime and restore full functionality fast.
Don’t wait — purchase your replacement Suntech Indigo 3 & 4 SP12-35 NB (12 V 35 AH) battery now to enjoy dependable power, extended runtime, and exceptional value.
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