Product Details

2688Wh Expansion for 3000W Portable Electric Generator

Supercharge your power capacity with the 2688Wh Expansion for the 3000W Portable Electric Generator. This high-capacity LiFePO4 battery pack expands your energy storage to a total of 4300Wh, giving you more time to power everything from fridges and TVs to laptops, CPAPs, and power tools. With 3,500+ life cycles, fast charging, and portability built in, this rugged expansion is a must-have for serious adventurers, off-grid setups, or emergency backup power.

Ideal for:

  • Extended outdoor use and camping trips
  • Emergency power for home appliances and medical devices
  • Contractors and mobile workstations needing reliable power

Key Features:

  • 2688Wh lithium iron phosphate (LiFePO4) battery
  • Expands 3000W Portable Electric Generator to a total of 4300Wh capacity
  • 3,500+ charge cycles for long-term use
  • Portable, durable, and fast to recharge

What's Included:

  • 2688Wh Expansion Battery for 3000W Portable Electric Generator

Accessories:

  • Required: 3000W Portable Electric Generator, 210816 (sold separately)

Prop 65 Information (for California residents only) WARNING: This product contains a chemical known to the State of California to cause cancer.

Specifications

Warranty: 5 Year
Dimensions: 16.9" L x 10.2" W x 9.8" H
Life Cycles: 3,500+
Battery Type: Lithium Iron Phosphate
Product Weight: 50.7 lbs
Rated Capacity: 2,688Wh
Charge Retention: Up to 2 Years
Min. Charge Time: 4.5h with 3000W Portable Electric Generator

Instructions

Setup and operating instructions are found in the product manual.

Shipping & Returns

Shipping Details

  • You can expect delivery of most items within 3-5 business days of your order.
  • Certain items are delivered directly from the manufacturer.
  • See fullShipping Information

100% Satisfaction Guarantee

  • If you are not satisfied with your purchase within 60 days, you can return it for a replacement or a refund.
  • Returned products must be in a new, unused condition, and contain all original packaging and accessories
    (including all warranty cards and product manuals/instructions). Items with a gift receipt from the packing slip may
    be returns for an eGift Card.
  • See fullReturn Policy

2688Wh Expansion for 3000W Portable Electric Generator

Item # 210817
$1,217.99 WITH CODE: FIREWORKS Save $522.00 Regular price Comp. Value: $1,739.99 "Comparable Value" (Comp. Value) is based on the price at which the product, or a comparable item, was, currently, or in the future will be offered for sale by SharperImage.com, marketplace sellers, manufacturers, suppliers, or other retailers, online or in-store. Such prices may have been identified by SharperImage.com or provided by marketplace sellers, manufacturers, or suppliers. This comparable price will be what is charged at checkout. The lower price offered can be claimed by entering in the promo code in the Promo Code field on the cart or checkout pages.

FREE $25 promo Gift Card with every purchase.
Automatically adds at checkout.

Highlights
  • Expands total battery capacity to 4300Wh
  • Works exclusively with the 3000W Portable Electric Generator
  • Long-lasting LiFePO4 battery with 3,500+ cycles
  • Ideal for powering tools, appliances, and electronics
  • Durable, portable, and fast-charging design

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