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  • 48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor
  • 48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor
  • 48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor
  • 48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor
  • 48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor
  • 48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor
48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor
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48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor

$379.99-$379.99/ Unit|1 Unit/Units(Min. Order)

Customization:

Customized packaging（Min.Order: 30 pieces）
Graphic customization（Min.Order: 30 pieces）
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48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Power Output: Designed to deliver 48V 25AH capacity, optimized for compatibility with 8FUN Bafang 48V 1000W/750W motors, ensuring robust power for electric bicycles.
  • Safety & Protection: Equipped with built-in "E-Protect" technology, offering overcharge, over-discharge, and short-circuit protection to enhance battery longevity and user safety.

Key features

  • 1. Advanced Lithium Cell Technology

    • With high-performance 18650/21700 lithium cells, you can achieve superior energy density and durability compared to traditional lead-acid batteries*.

  • 2. Smart Interactive Design

    • With the integrated LED charge indicator, you can monitor battery status at a glance, ensuring optimal charging and maintenance convenience.

  • 3. High-Power Performance

    • With a 48V 25AH capacity, you can deliver up to 50% longer range and faster acceleration than standard 36V batteries*, powering motors like the Bafang 48V 1000W/750W seamlessly.

  • 4. Universal Compatibility & Safety

    • With E-Protect safety features (overcharge/over-discharge protection) and universal compatibility, you can install this battery on most e-bikes while ensuring reliable, long-lasting performance.

  • 5. Certified for Safety & Compliance

    • With RoHS and CE certifications, you can trust this battery meets EU environmental and safety standards, ensuring peace of mind for both home and commercial use.

Product details

48V 25AH Lithium Bicycle Battery Lithium 18650 21700 for 8FUN Bafang 48V1000W 750W Motor

The 48V 25AH Lithium Bicycle Battery by Wallen Power is a high-performance energy solution designed for e-bikes equipped with 8FUN Bafang 48V 1000W/750W motors. Built with durable plastic casing and featuring universal compatibility, this battery delivers reliable power, extended range, and enhanced safety through advanced protection systems.

Technical specifications

FeatureSpecificationBenefit
Nominal Voltage48VPowers high-torque motors for strong performance
Capacity25AhSupports ranges up to 50+ miles on a single charge
Safety FeaturesE-Protect (overcharge/over-discharge protection)Prevents damage and ensures longevity
Compatibility8FUN Bafang motors, universal mountingFits most e-bike frames with minimal adjustments
MaterialDurable plastic casingLightweight yet rugged design for outdoor use
CertificationsRoHS, CEMeets global safety and environmental standards
LED IndicatorCharge status displayReal-time monitoring of battery health

Customization guide

Adjustable connector types and mounting brackets can be customized to fit non-standard e-bike models, enabling seamless integration with specialized frames or control systems.

Get inspired

With a 48V 25Ah capacity, you can achieve extended riding ranges while maintaining lightweight portability. The built-in E-Protect safety system ensures reliable operation in harsh conditions, while universal compatibility simplifies upgrades for existing e-bike owners.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Capacity25Ah32Ah (+28%)40Ah (+60%)
Safety FeaturesE-ProtectE-Protect + Thermal ManagementE-Protect + Thermal + Fireproof Housing
Weight4.2kg4.8kg5.5kg
Charge Time4-5 hours3.5 hours (-12.5%)3 hours (-25%)

Supplier's note

  1. Technical Breakthroughs:

    • High Capacity (25Ah): Outperforms traditional 12Ah batteries, doubling rideable distance.
    • Universal Compatibility: Reduces e-bike upgrade costs by fitting 90% of popular models.
    • E-Protect System: Cuts battery failure rates by 40% compared to non-certified alternatives.

  2. Version Selection Guide:

    • Base Model: Ideal for casual riders prioritizing affordability and standard performance.
    • Advanced Model: Best for daily commuters needing faster charging (3.5 hours) and thermal stability.
    • Pro Model: Targets professional couriers or off-road users requiring extreme durability and 60% higher capacity.

Example: The Pro version’s fireproof housing and 40Ah capacity enable safe operation in industrial environments, while its 3-hour charge time reduces downtime by 25% compared to Base models.

Frequently asked questions

  • Which lithium battery model suits 8FUN Bafang 48V 1000W/750W motors?

  • How to safely maintain a 48V lithium e-bike battery for longevity?

  • What certifications does the Wallen Power 48V lithium battery have?

  • Can this 48V battery work with other e-bike brands besides 8FUN Bafang?

  • How does the E-Protect safety feature enhance battery safety?

  • What’s the expected range of a 48V 25AH lithium battery for e-bikes?

  • How easy is it to remove the battery for charging?

  • Does the battery have a charging status indicator?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Nominal Voltage & CapacityHigh-power e-bikes (e.g., 1000W motors)Industry Standard: 36V 10Ah
Our Base: 48V 20Ah
Our Advanced: 48V 25Ah (▲ 25% capacity)		▲ Supports 1000W motors (48V × 25Ah = 1200Wh energy density)
Industry: Limited to 750W motors		▲ Advanced: Heavier (2.5kg vs Base 2.2kg) due to higher capacity
Cell TechnologyHigh-performance applicationsIndustry: 18650 cells
Our Base: 18650
Our Advanced: 21700 cells (▲ 5Ah/cell)		▲ Advanced: 21700 cells offer 20% higher energy density (ISO 17192 certified)Industry/Basic: Lower thermal stability in extreme temps
Safety CertificationsGlobal market complianceIndustry: CE
Our Base: CE + RoHS
Our Advanced: CE + RoHS + UN38.3 (▲ 2 certifications)		▲ Advanced: UN38.3 (UN Manual of Tests and Criteria, Part III, Section 38.3) ensures aviation transport safetyIndustry: Lacks UN38.3 for international shipping
Safety FeaturesCrash-resistant designIndustry: Basic overcharge protection
Our Base: Overcharge/discharge protection (IEC 62133)
Our Advanced: + Thermal Management System (▲ -40°C to +60°C operability)		▲ Advanced: TMS prevents 20% capacity loss in extreme temps (per IEC 60721-3-3)Industry: Risk of swelling in hot climates
Charging TimeDaily commutersIndustry: 8–10h
Our Base: 6h
Our Advanced: 4h (▲ 33% faster via 3A smart charger)		▲ Advanced: 3A fast charging (IEC 62778 compliant) cuts downtime for delivery fleetsIndustry: Longer downtime for commercial users
Cycle LifeLong-term durabilityIndustry: 500 cycles (80% capacity retention)
Our Base: 800 cycles
Our Advanced: 1000 cycles (▲ 25% longer lifespan)		▲ Advanced: 1000 cycles @ 1C rate (per IEC 61433) for 3–4 years of daily useIndustry: Replacements needed every 1.5 years

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