12v 38ah sealed lead acid battery – 第 3 页

Electric Motorcycle • SLA Battery

High-Performance 12V 38Ah SLA Battery – OEM & Aftermarket Energy Solution

The 12V 38Ah lead-acid power battery combines professional-grade performance with user-friendly reliability. Designed with deep-cycle technology, it delivers stable power for mobility scooters, wheelchairs, light EVs, and energy storage systems. Its maintenance-free AGM design ensures safety, durability, and resistance to vibration, making it ideal for both daily use and demanding applications. Easy to install and built for all-weather performance, this battery provides long service life and consistent energy output. Whether for personal mobility or industrial use, it offers a dependable, cost-effective solution—your trusted partner for continuous, worry-free power.

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Parameters	Details
Voltage (V)	12
3hr Capacity (Ah)	38
Dimension (±2mm) (L×W×H×T/H mm)	223 × 108 × 175 × 175
Weight (Kg)	11.4 ± 0.1
Material of Shell	ABS
Max Resistance (mΩ)	8.0
Terminal	Copper (8.8-M5)
Operating Temperature Range	Discharge: -35°C ~ 50°C \| Charge: -15°C ~ 40°C \| Storage: -15°C ~ 40°C
Capacity ≥ (Ah, 25°C)	3hr (12.67A to 10.5V): 38 5hr (7.6A to 10.5V): 41.1 10hr (3.80A to 10.5V): 43 20hr (1.90A to 10.5V): 45
Self-discharge Rate (20°C)	>85% / 3 months
Charging Voltage (V)	Floating: 13.5V–13.8V Cycling: 14.4V–14.8V
Discharge Current (A)	4.5 I3
Charge Current (A)	0.15 C3
Residual Capacity After Self-discharge	30 days: 90% 60 days: 85% 90 days: 82% 180 days: 80%

Discharge Time	Current (A, to 10.5V)	Capacity (Ah, 25°C)
3 hr	12.67 A	38 Ah
5 hr	7.60 A	41.1 Ah
10 hr	3.80 A	43 Ah
20 hr	1.90 A	45 Ah

Region	Brand	Model	Typical Battery Pack (Factory/Replacement)
Americas/Europe	Pride Mobility	Victory 9 (SC609)	24V = 2×12V U1 35–38Ah (AGM/GEL)
Americas/Europe	Pride Mobility	Victory 10 (SC710)	24V = 2×12V U1 35–38Ah
Americas/Europe	Pride Mobility	Victory ES 10 (S93/SC104)	24V = 2×12V U1 35–38Ah
Americas/Europe	Pride Mobility	Sundancer (SC2000/SC202)	24V = 2×12V U1 35–38Ah
Americas/Europe	Pride Mobility	Rally	24V = 2×12V U1 35–38Ah
Americas/Europe	Pride Mobility (Power Chair)	Jazzy Air	24V = 2×12V U1 35–38Ah
Americas/Europe	Pride Mobility (Power Chair)	Jazzy Elite ES-1	24V = 2×12V U1 35–38Ah
Europe	Invacare	Leo	24V = 2×12V U1 35–38Ah
Europe/Americas	Invacare	Tri-Rolls (≤14”)	24V = 2×12V U1 35–38Ah
Americas/Europe	Drive Medical	Gladiator GT	24V = 2×12V U1 35–38Ah
Americas/Europe	Drive Medical	Image / Image GT	24V = 2×12V U1 35–38Ah
SE Asia/Global	Shoprider	Flagship	24V = 2×12V U1 35–38Ah
SE Asia/Global	Shoprider	Sunrunner 4	24V = 2×12V U1 35–38Ah
SE Asia/Global	Shoprider (Power Chair)	Streamer	24V = 2×12V U1 35–38Ah
Europe (UK)	TGA Mobility	Zest Plus	24V = 2×12V U1 35–38Ah
Europe (UK)	TGA Mobility	Sonet	24V = 2×12V U1 35–38Ah
Europe (UK)	TGA Mobility	Vita Lite	24V = 2×12V U1 35–38Ah
Europe/SE Asia	FreeRider	FR1 City	24V = 2×12V U1 35–38Ah
SE Asia (Taiwan)/Global	Merits	Pioneer 4 (S141 series)	24V = 2×12V U1 35–38Ah
SE Asia (Taiwan)/Global	Merits	Pioneer PT (S139/S149)	24V = 2×12V U1 35–38Ah

Charge in Time
Don’t let the battery run completely flat. Charging when it drops to about 30–40% keeps it healthier and extends its life.
Choose the Right Charger
Always use a proper 12V charger with smart features. A good charger prevents damage and makes sure the battery gets the care it needs.
Avoid Overcharging
Too much charging can shorten battery life. Stick with the recommended voltage: 13.5–13.8V for standby use and 14.4–14.8V for cycling use.
Protect from Extreme Temperatures
Batteries don’t like being too hot or too cold. Try to keep it in the comfort zone of 0°C to 30°C whenever possible.
Keep Terminals Clean and Secure
Wipe off any dust or corrosion, and make sure the connections are tight. Clean terminals help the battery deliver power smoothly.
Store Fully Charged
If you’re not going to use the battery for a while, charge it first and give it a top-up every month or two. This prevents capacity loss.
Replace as a Set
In systems that use two batteries (like scooters or mobility vehicles), always replace them together. Mixing old and new isn’t good for performance.
Don’t Overload
Use the battery within its rated limits. Heavy loads create heat and stress that can cut its lifespan short.
Give It a Workout
If you usually use only part of the charge, do a deeper discharge (around 70–80%) every few months. This helps keep the battery active.
Pay Attention to Signals
If you notice swelling, unusual heat, or shorter runtime, check the battery right away. Early action can prevent bigger problems.

1. Safety First

Always wear safety goggles, gloves, and protective clothing when handling or installing the battery.
Work in a well-ventilated area to avoid gas build-up.

2. Correct Connections

When connecting, attach the positive terminal (red) first, then the negative terminal (black).
When disconnecting, do the reverse: negative off first, then positive.
Never connect the negative clamp to fuel lines, painted parts, or weak metal surfaces.

3. Regular Maintenance

Check terminals regularly to ensure they are clean and tight. Wipe away dust or corrosion with a soft brush and baking soda solution.
For serviceable batteries, check electrolyte levels and top up with distilled water after charging if needed.

4. Charging Tips

Use a quality 12V smart charger with automatic cut-off or pulse charging.
Follow recommended voltage: 13.5–13.8V (float use) and 14.4–14.8V (cyclic use).
Adjust for temperature: reduce charging voltage in hot weather, increase slightly in cold conditions.
Keep the battery in a ventilated space during charging.

5. Storage Advice

If storing the battery, always keep it fully charged.
Recharge every 1–2 months to prevent sulfation and capacity loss.
Store in a cool, dry place away from direct sunlight and heat.

6. Watch for Warning Signs

Stop using the battery if you notice swelling, overheating, leaking, or a big drop in performance.
Early action prevents bigger problems and keeps your equipment safe.

7. Installation Tips

Mount the battery securely to avoid vibration or shaking, especially in vehicles or mobile equipment.
Ensure proper ventilation in the battery compartment to allow heat and gas to escape.

Certifications

CE / RoHS compliance
ISO 9001 quality management
Transport: UN 2800 packaging guidance

Warranty

12‑month limited warranty against manufacturing defects. Technical support available for installation and charging best practices.

Why Choose Our 12V 38Ah Lead-Acid Battery?

Our 12V 20Ah lead-acid battery is crafted with precision and care, using the latest technology and high-quality materials to provide unmatched performance for your electric vehicle. Power up your ride with confidence and enjoy the journey!

Premium No. 1 Refined Lead

Made with ultra-pure lead (purity >99.994%), our battery delivers superior performance in capacity, charging efficiency, and discharge capability, ensuring a reliable power source for your electric vehicle.

High-Strength ABS Plastic Shell

The robust ABS casing offers exceptional impact and vibration resistance, protecting the battery from damage and ensuring long-term durability even in demanding conditions.

Optimized Internal Design

Our innovative internal layout extends battery lifespan and enhances safety, minimizing risks and maximizing reliability for worry-free operation.

High-Quality Active Materials

Premium active materials provide higher energy density and better utilization rates, resulting in stronger performance and longer-lasting power.

Multi-Microporous AGM Separator

The advanced AGM separator improves sealing efficiency, prevents active material shedding from the positive plate, and boosts battery capacity and lifespan.

Golden Acid Ratio

Our precisely formulated acid composition enhances performance, delivering stronger power output and enabling longer rides with extended durability.

Graphene Patent Technology

Incorporating cutting-edge graphene technology, our battery offers improved conductivity and efficiency, setting it apart from conventional lead-acid batteries.

Advanced Formula & Computerized Assembly

Our state-of-the-art manufacturing process, combined with high-purity refined lead, ensures heat and cold resistance, delivering a longer-lasting and more reliable battery.

Certifications & Warranty

Product Certifications

CE • UN38.3 • RoHS
Shipping documents: MSDS, Test Report

Factory Certifications

ISO 9001 • ISO 14001
End-of-line testing with traceability

Warranty

One year from the date of shipment

Purchase & Support

Ordering

MOQ: 500 units (customizable for pilot)
Lead time: 7–15 days (stock) / 25–35 days (OEM)
Trade terms: EXW / FOB / CIF / DDP

Packaging

Anti-shock foam and insulated terminals
UN-certified cartons for air/sea transport
Palletized for bulk shipments

Downloads

Datasheet (PDF)
MSDS
Test Report

Frequently Asked Questions (FAQ)

How should I store the battery long-term?

Store it fully charged and top it up every 1–6 months (depending on type) to prevent sulfation and capacity loss. AGM/VRLA types are a bit more forgiving.

Can the battery be mounted in any orientation?

Yes—sealed types like AGM or gel (VRLA batteries) can be installed upright or on their side. Avoid upside-down orientation.

How should I charge the battery correctly?

Will a new battery start at full capacity right away?

What do I do if the battery doesn’t seem to hold a full charge?

This is often due to sulfation—accumulation of lead sulfate. To prevent it, recharge fully as soon as possible after use and maintain proper floating.

Can I connect multiple batteries in parallel or series?

Yes, but be sure they’re the same spec, age, and state of charge. In series (to increase voltage), use equal-length, equal-resistance cables to ensure balanced charging.

How do I know when the battery is fully charged?

Watch for low tapering current during constant-voltage charging and monitor for peak voltage levels. These are indicators that charging is complete.

Which type of battery is best: flooded, AGM, or gel?

For maintenance-free operation in challenging environments, AGM and gel (VRLA) are preferred. They hold charge better and resist vibration.

How fast does it self-discharge when not in use?

Self-discharge rates vary, but lead-acid batteries generally lose charge at a slower rate compared to Nickel-based types. Still, store fully charged and maintain regularly.

Are there reliable methods to revive a sulfated battery?

Battery regenerators (pulse desulfators) claim to restore some capacity by breaking down sulfate crystals. Results vary and are not universally verified.

How many cycles can I expect from this battery?

Depending on usage conditions, a lead-acid battery typically lasts anywhere from a few hundred to over a thousand cycles. But deep discharges reduce lifecycle.