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✓ Lowest Price Guaranteed
✓ Free & Fast Shipping: In Stock and Ready to Ship
✓ Questions? Call A Team Member: 419-967-3418
- Regular price
- $629.00
Estimated Shipping Time
Estimated Shipping Time
At Summit Forge Supply, we offer free standard shipping on all U.S. orders, with most orders processing within 1–2 business days and delivering in approximately 3–5 business days. We ship via trusted carriers including USPS, UPS, FedEx, and LTL freight providers, and all orders include tracking and shipment insurance. If your order is delayed, damaged, lost, or missing items, please contact us within 7 days so we can promptly assist with a replacement or refund. Returns are accepted within 30 days on unused items in original packaging, with return shipping covered by Summit Forge Supply. See full policy here: Shipping Policy
What Is Your Return Policy?
What Is Your Return Policy?
Summit Forge Supply accepts returns on eligible U.S. orders within 14 days of delivery, provided items are unused, undamaged, and in their original packaging with proof of purchase. Returns must be initiated within 7 days of receipt, and approved returns include prepaid return shipping; refunds are issued to the original payment method within up to 14 days after inspection, with a 25% restocking fee for change-of-mind returns. Defective, damaged, incorrect, or lost items qualify for a full refund or replacement at no cost to the customer when reported promptly. Custom or personalized items, perishable goods, gift cards, and downloadable products are non-returnable. See full policy here: Return Policy
The Mark 2 Battery is a high-capacity, rechargeable battery designed for use with a wide range of devices. It features a compact and lightweight design, making it easy to carry with you wherever you go.
Integration and Portability
Seamless Integration: Easily clips together with the Mark 2 AC for combined use.
Independent Operation: Can be separated from the Mark 2 AC for standalone mini energy storage.
Easy to Carry: Convenient built-in handle for easy transport and use on the go.
Power and Versatility
Long-Lasting Power: 24V 35Ah/840Wh capacity provides extended power for your devices.
Multiple Charging Methods: Compatible with car chargers, solar panels, and 24V power adapters.
Multiple Outputs: Features a DC Jack ,USB Type C, and USB Type A to charge multiple devices simultaneously.
Not Only Powers Your Mark 2 Air Conditioner
But Also Other Essential Outdoor Gears
Mark 2 Battery Power Durations
Mark 2 AC: Up to 8 hours in sleep mode.
Smartphone: Up to 120 recharges.
Laptop: Up to 16 recharges.
Camera: Up to 80 recharges.
Camping Light: Up to 70 hours of light.
Flexible Power Options
Adapter Charge: 6 hours (with official power adapter)
Car Charge: 7 hours
Solar Charge: depends on their wattage, sunlight availability, and battery capacity.
Mark 2 Battery Power Duration for Mark 2 AC
|
Mark 2 AC Mode
|
One Mark 2 Battery
|
Two Mark 2 Battery
|
|---|---|---|
|
Fan Mode(20W)
|
42h
|
84h
|
|
Sleep Mode(100W)
|
8h
|
16h
|
|
Cool Mode(150W)
|
5h
|
11h
|
|
Strong Mode (240W)
|
3h
|
7h
|
Product Usage Tips
- Charge the battery using the provided power adapter (Provided with Mark 2 AC).
- Use the battery within the temperature range of 32°F-104°F for optimal performance.
- Avoid interference with TV, radio, and other electronic equipment while charging.
- Disconnect and store the cable when not in use for extended periods.
- Charge the battery every 3 months and at least once every 6 months to extend its lifespan.
- How to Keep the Battery in Good Condition.
View Mark 2 Battery User Manual
| Battery Type | 18650 Lithium-Ion Polymer Battery |
| Capacity | 24V 35Ah/ 840Wh |
| DC Charge Input | 18V-36V (Recommended input voltage: 21V-27V) |
| Full Charge Time | About 6 hours (by official power adapter) |
| DC Jack Output | 12V/5A Max |
| USB Type C | PD(5V,9V,12V,20V/45W Max) |
| USB Type A | 5V/2A Max |
| Net Weight | 12lb |
| Size | 20"L x 8.6"W x 2.3"H |
| Operation Temperature |
0℃-40℃ / 32°F-104℉
|