Energy Storage Battery
The WALLKE 48V / 55Ah portable battery, backed by patents and global insurance, powers your home, appliances, and outdoor adventures. It offers fast charging, solar support, and built-in safety—all compact, quiet, and emission-free.
Pairs well with
SPECIFICATION
| Capacity： | 48V,55Ah,2640Wh |
| Type： | Ternary Lithium |
| AC Charging： | 110-230VAC, Max 7A,Rated power 600W |
| MPPT Solar Charging： | 12-36V,Max 17A, Max 400W Suggest 36V 400W |
| AC Discharge： | 110V ac, Max 7A |
| AC Discharge Overfoad Capacity: | 600-720W 1min;720-900W 30s;>900W 1s |
| USB-A： | 20V=2.5A; 5V=2.5A; 9V=2.5A; 12V=2.5A; 15V=2.5A; |
| TYPE-C： | 20V=3.3A;5V=3.3A;9V=3.3A;12V=3A;15V=3.2A |
| USB-A+TYPE-C： | 5V=3A |
| Operating envionment temperature: | 0-40℃(320to 104°F) |
| Dimensions W*H*Tmm： | 192*500*116mm |
FREE AND FAST SHIPPING
① The 48 contiguous states of the United States, but excludes Alaska, Hawaii, Puerto Rico, and other U.S. territories.And We do not ship to the following types of addresses:Fleet Post Offices (FPO)、Army Post Offices (APO)、P.O. Boxes
② Delivery within Canada, but excludes the three northern territories: Yukon, Northwest Territories, and Nunavut.
③ Most European Union countries, but excludes Cyprus, Malta, and remote areas or outlying islands.
Orders in stock are usually shipped within 1-2 business days unless otherwise stated on the product page.
BUY NOW PAY LATER
Wallke eBike had partnered with Klarna to give you a better shopping experience. Ride Now, Pay Later with Klarna.
How to use?
Step 1: Add item(s) to your cart
Step 2: Go to checkout and choose the "Klarna" payment option.
Step 3: Complete your Klarna Credit application
Step 4: Use the Klarna app or log in on
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Contact Us
Have questions? Reach out via phone, email, or live chat. We’re here to help 24/7.
Customer Service:
Sales@wallkeebike.com
Affiliate Cooperation:
Marketing@wallkeebike.com
Offline Cooperation:
Wallke@wlallkeebike.com
Call Us at Website Priority Line:
WhatsApp： +1 646 203 3483
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Shipping Information
We ship from multiple locations for faster delivery: USA orders from California, Canada from British Columbia, and Europe from Poland. Most in-stock items ship within 2–3 days. Pre-order items will ship according to the date specified on the product page.
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Returns & Warranty
We offer a 14-day hassle-free return for all brand-new, unopened items. All e-bikes come with a 1-year warranty (excluding damage caused by misuse).
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FAQ’s
We accept Paypal and credit card payments, you can choose a method you like during checkout. In some case, your payment could be somehow denied at the checkout by our system in defense against possible credit card fraud. If you met this situation, please click here!
Comprehensive Protection Features
SuperSafe LIFEBMS
Power That Lasts
Battery Built for Endurance
Advanced cells and thermal stability ensure reliable, long-lasting power for every ride.
Advanced Energy System
Reliable Power. Intelligent Connection.
Multiple output interfaces designed for versatility and safety—power your devices and adventures with confidence wherever you go.
Product details
Description
The WALLKE 48V / 55Ah portable battery, backed by patents and global insurance, powers your home, appliances, and outdoor adventures. It offers fast charging, solar support, and built-in safety—all compact, quiet, and emission-free.
Specification
Components
Features
User Manual
- Wallke Energy Storage Battery User Manual
This owner’s handbook includes assembly and maintenance work which may need to be done at frequent intervals to maintain an operational and safe Wallke eBike. Never perform work on your Wallke eBike beyond instructions in this handbook. Please read the instructions entirely before assembly to ensure the proper functioning of the Wallke ebike.
Included in the Box
Battery keys
Battery
User Manual
FAQs
This battery is compatible with which WALLKE models?
This energy storage battery comes pre-equipped with the 2026 H7Ultra and H9Ultra models. It is also compatible with Wallke 2025 H7 AWD and H9 AWD models; please note that when used it with the 2025 models, riders should be at least 5'83"(178cm) tall. If you are unsure, please contact our customer service for guidance.
Can this battery be used independently without a WALLKE e-bike?
Yes. The battery can be used independently as a portable power station. It supports AC output, USB-A, and Type-C ports, making it suitable for home backup, outdoor activities, camping, or emergency power needs.
What devices can this battery power?
With a rated AC output of 600W (up to 720W continuous, 900W surge), the battery can power small to medium household and outdoor devices, such as:
- Laptops, phones, tablets
- Wi-Fi routers and modems
- Fans, lights, projectors
- Small refrigerators
- Coffee makers (low power)
- CPAP machines
⚠️ Devices exceeding the rated power may trigger overload protection.
Does it support solar charging?
Yes. The battery supports MPPT solar charging:
- Input range: 12–36V
- Max current: 7A
- Max power: 400W
- Recommended setup: 36V / 400W solar panels
This makes it ideal for off-grid use, camping, and emergency backup scenarios.
How can the battery be charged?
The battery supports multiple charging methods:
- AC wall outlet (110–230V AC, max 7A)
- Solar panels (MPPT supported)
What type of battery cells are used?
The battery uses Ternary Lithium cells, offering a balance of high energy density, stable performance, and reliable output.
What is the battery capacity?
- Voltage: 48V
- Capacity: 55Ah
- Energy: 2640Wh
This large capacity allows extended usage for both riding support and external power supply.
What output ports are available?
The battery includes:
- AC output: 110V AC, max 7A
- USB-A: Multiple voltage outputs (5V / 9V / 12V / 15V / 20V)
- Type-C: Up to 20V / 3.3A
- USB-A + Type-C simultaneous output supported
Is the battery safe to use?
Yes. The battery features built-in overload protection, short-circuit protection, and temperature control.
AC overload protection activates at:
- 600–720W: limited duration
- 900W: instant protection
What is the operating temperature range?
- 0°C – 40°C (32°F – 104°F)
For best performance and longevity, avoid extreme temperatures during charging and discharging.
What are the dimensions of the battery?
- 192 × 500 × 116 mm (W × H × T)
Compact enough for bike integration while still suitable for portable use.