EBike Battery & Charger Voltage Chart 2026 – Complete Reference Guide

This is the most comprehensive eBike battery and charger voltage reference chart for 2026. Bookmark this page – it’s updated annually with the latest eBike models and battery specifications.

Free Resource: Download the printable PDF version of this chart for your workshop or store.

Quick Voltage Matching Rule (Most Important!)

NEVER guess! Using wrong voltage charger damages battery and voids warranty. Always match:

• Charger output voltage = Battery max charging voltage (±0.5V tolerance)
• Examples: 36V battery (42V max) → 42V charger | 48V battery (54.6V max) → 54.6V charger

Complete EBike Battery & Charger Voltage Chart 2026

1. Li-ion Battery Systems (Most Common)

Battery Nominal Voltage	Number of Cells (S)	Battery Max Voltage (Charging)	Charger Output Voltage	Common eBike Systems	Popular Chargers
24V	7S (7 cells)	29.4V	29.4V	Entry-level eBikes, kids eBikes	Juxon 24V 2A, Generic 24V chargers
36V	10S (10 cells)	42.0V	42.0V	Bosch Active Line, Shimano STEPS E5000, entry-level mountain eBikes	Juxon 36V 2A/3A/4A, Bosch 4-pin charger
48V	13S (13 cells)	54.6V	54.6V	Bosch Performance Line, Shimano STEPS E7000/E8000, most performance eBikes	Juxon 48V 2A/3A/4A/5A, Shimano barrel charger
52V	14S (14 cells)	58.8V	58.8V	High-performance/tuning eBikes, some premium brands (Specialized, Trek)	Juxon 52V 3A/4A/5A, custom connectors
60V	16S (16 cells)	67.2V	67.2V	High-power eBikes (1500W+ motors), some electric motorcycles	Juxon 60V 4A/5A/6A
72V	20S (20 cells)	84.0V	84.0V	Electric motorcycles, high-performance e-mopeds	Juxon 72V 5A/6A/8A

2. LiFePO4 Battery Systems (Growing in Popularity)

Battery Nominal Voltage	Number of Cells (S)	Battery Max Voltage (Charging)	Charger Output Voltage	Advantages
12.8V	4S	14.6V	14.6V	Very safe, long cycle life (2000-5000)
25.6V	8S	29.2V	29.2V	Safe, good for fleet eBikes
51.2V (often called “48V LiFePO4”)	16S	53.6V	53.6V	Common for 48V eBikes (safer than Li-ion)

Important: LiFePO4 batteries have DIFFERENT charging voltages than Li-ion! Using a Li-ion charger on LiFePO4 battery (or vice versa) will result in undercharging or overcharging. Read our comparison guide.

EBike Brand-Specific Voltage Chart 2026

Bosch eBike Systems

Bosch System	Battery Voltage	Charger Voltage	Connector Type
Active Line (2020-2026)	36V	42V	Bosch 4-pin rectangular
Performance Line (2020-2026)	36V or 48V	42V or 54.6V	Bosch 4-pin rectangular
Performance Line CX (2022-2026)	48V	54.6V	Bosch 4-pin rectangular
Cargo Line	48V	54.6V	Bosch 4-pin rectangular

Shimano STEPS Systems

Shimano System	Battery Voltage	Charger Voltage	Connector Type
STEPS E5000	36V	42V	Shimano barrel
STEPS E6100	36V or 48V	42V or 54.6V	Shimano barrel
STEPS E7000	36V or 48V	42V or 54.6V	Shimano barrel
STEPS E8000	48V	54.6V	Shimano barrel

Popular eBike Brands (Generic/Chinese)

Brand	Common Voltage	Charger Voltage	Connector Type
Rad Power Bikes (USA)	48V	54.6V	DC 5.5x2.5mm (some models)
Ancheer (China/Global)	36V or 48V	42V or 54.6V	DC 5.5x2.1mm
Custion (China)	48V or 52V	54.6V or 58.8V	XT60 or DC 5.5x2.5mm
Bafang Conversion Kits	36V, 48V, or 52V	42V, 54.6V, or 58.8V	Depends on battery型号

Charger Current (Amperage) Selection Guide

Choosing the right charging current affects charging speed AND battery lifespan:

Battery Capacity (Ah)	Recommended Charge Current	Charging Time (Approx.)	Notes
8-10Ah	2A (0.2C-0.25C)	4-5 hours	Gentle on battery, extends lifespan
10-14Ah	3A (0.2C-0.3C)	3-4.5 hours	Good balance of speed and lifespan
14-20Ah	4A (0.2C-0.3C)	3.5-5 hours	Faster charging, still safe for battery
20Ah+	5A+ (0.25C max)	4-6 hours	Only if battery supports high charge current

Pro Tip: Charging at 0.2C-0.3C (where C = battery capacity in Ah) is optimal for battery lifespan. Example: 10Ah battery → 2A-3A charger is ideal. Avoid chargers >0.5C unless battery manufacturer approves.

IP Rating Guide for EBike Chargers

IP Rating	Protection Level	Recommended For
IP20 (indoor use only)	No water protection	Only if you NEVER ride in rain
IP65	Water jets from any direction	Most eBike riders (light rain OK)
IP67 (recommended)	Immersion up to 1m for 30 min	All-weather riders, outdoor storage

Recommendation: Always choose IP67 for eBike chargers. The small price difference (€10-€20) is worth the peace of mind.

Download the Free Voltage Chart PDF

📥 Free Download: EBike Charger Voltage Chart 2026

Printable PDF (A4 size) – perfect for workshops, bike shops, and reference.

Includes:

• Complete voltage chart (Li-ion & LiFePO4)
• Brand-specific compatibility (Bosch, Shimano, etc.)
• Charger current selection guide
• IP rating guide

Download link will be available once you contact us or subscribe to our newsletter.

Need a Custom Charger for Your EBike?

Juxon Power manufactures custom eBike chargers for all voltages (24V-72V) and connector types. Whether you need:

• OEM chargers for your eBike brand
• Replacement chargers for discontinued models
• Custom voltage/current specifications
• Private label chargers for your bike shop

Get a quote today – our engineering team can design a charger that perfectly matches your battery specifications.

FAQ: EBike Battery & Charger Voltage

Can I use a 48V charger (54.6V) on a 36V battery (42V max)?

NO! This will overcharge your 36V battery, causing permanent damage and fire risk. Always match charger output voltage to battery max charging voltage (±0.5V tolerance).

My eBike has a 48V battery, but my charger says “54.6V output” – is this normal?

Yes, this is normal! A “48V” eBike battery is actually a 13S Li-ion battery with a nominal voltage of 48V (3.7V × 13 = 48.1V). The fully charged voltage is 54.6V (4.2V × 13 = 54.6V). So your charger should output 54.6V.

Where can I find the voltage information for my eBike battery?

Check these locations:

1. Battery label: Usually shows “36V 10.4Ah” or “48V 14Ah”
2. Original charger: Label shows output voltage (e.g., “Output: 42V 2A”)
3. eBike manual: Specifications section
4. Manufacturer website: Search your eBike model + “battery specifications”

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Last updated: January 2026 | Compatible with: Bosch, Shimano, Bafang, Rad Power, Ancheer, and 100+ eBike brands.