Dark mode
Procurement · Buying Channels
Where to Buy Durable Portable Power Units for Military Applications
Units, contracting officers and contractors buy portable power through different doors. Here is every channel, when to use it, and what documentation to ask for before you buy.
The short answer
Buy durable military portable power directly from the manufacturer (fastest, with engineering support and published pricing), with a Government Purchase Card for purchases under the micro-purchase threshold, through established contract vehicles such as GSA or agency IDIQs, via DLA for NSN-stocked items, or through authorized resellers. NUE sells SunCase™ systems direct at newuseenergy.com with published pricing, and supports unit, agency and contractor purchases.
FastestDirect + purchase card.
Largest buysContract vehicles / RFQs.
Stocked itemsDLA by NSN.
Always ask forSpec sheet, manual, warranty, UN 38.3.
01Buying channels compared
| Channel | Best for | Speed | What you need | Watch-outs |
|---|---|---|---|---|
| Manufacturer direct (e.g., newuseenergy.com) | Units, agencies, contractors, individuals | Days | Purchase card, PO or card | Confirm lead time and shipping class for lithium |
| Government Purchase Card (GPC) | Small buys under the micro-purchase threshold | Days | Cardholder authority | Don't split purchases to stay under thresholds |
| GSA / schedule contract vehicles | Agency buys with pre-competed pricing | Weeks | Ordering activity access | Not every product is on schedule; verify listing |
| Agency IDIQ / BPA | Recurring buys for a command or program | Weeks–months | Existing vehicle | Scope must match the vehicle |
| RFQ / formal solicitation | Large or custom quantities | Months | Contracting office | Write requirements, not brand names, unless justified |
| DLA | Items with National Stock Numbers | Varies | NSN | Commercial innovations often not yet stocked |
| Authorized resellers | Bundles, financing, local pickup | Days | Commercial or govt card | Confirm warranty is honored through reseller |
Procurement rules change; confirm thresholds and authority with your contracting office.
02The purchase-card fast path
Fast path for a unit purchase
Most portable power needs at the team level can be met with configurations that fit inside a single card purchase. Publishing pricing online makes it easy for cardholders to document price reasonableness. When requirements are larger, the same configuration becomes the basis for an RFQ.
03Documentation to request from any vendor
DatasheetChemistry, Wh, inverter rating, inputs, outputs, weight, temperature range.
User manualSafety, charging, storage and maintenance procedures.
Warranty termsLength, coverage and how service is initiated.
UN 38.3 test summaryRequired to ship lithium batteries as dangerous goods.
Country of origin / TAA statusMany federal buys require Trade Agreements Act compliance.
Entity identifiersSAM registration, UEI and CAGE code for government contracting.
04Buy from NUE
NUE sells the full SunCase™ line, SunFold240™ solar and SunStealth™ thermal cases directly, with published pricing and US-based technical support. Sales: sales@newuseenergy.com · +1 (844) 941-3476.
Individual operator / drone team
SunCase™ 605
- Output
- 600 W pure sine
- Storage
- ~550 Wh LiFePO4
- Weight
- 16 lb (7 kg)
- Solar in
- 400 W MPPT, 13–100 V
Ruck-portable, IP55, AC + USB-A + USB-C + 12 V DC. Recharges from solar, AC or vehicle.
Small team / patrol base
SunCase™ 1213
- Output
- 1,200 W
- Storage
- ~1,300 Wh LiFePO4
- System
- 24 V
- Weight
- ~34 lb
One-person carry with team-level capacity for radios, EUDs, drone batteries and SATCOM.
Command post / sustained ops
SunCase™ 2425
- Output
- 2,400 W
- Storage
- ~2,500 Wh LiFePO4
- System
- 48 V
- Weight
- ~70 lb
Two-person lift. Runs a TOC's comms stack, laptops, lighting and charging banks.
Outpost / microgrid node
SunCase™ 3651
- Output
- 3,600 W
- Storage
- ~5,100 Wh LiFePO4
- Mobility
- All-terrain wheel kit
- Recharge
- ~hours on a 1,440 W array
Generator-replacement class. Stackable for multi-kW expeditionary microgrids.
05Frequently asked questions
Can military units buy portable power stations with a government purchase card?
Yes, purchases within the cardholder's authority and the micro-purchase threshold can typically be made directly from a manufacturer's website or sales team. Follow your agency's GPC rules and never split a requirement to avoid thresholds.
Is buying direct from the manufacturer better than a reseller?
Direct purchase usually offers engineering support, current specs and faster warranty service. Resellers can add value with bundles or local inventory; confirm the manufacturer honors warranty through them.
What documentation should accompany a military power purchase?
A datasheet, user manual, warranty terms, UN 38.3 test summary for lithium batteries, and, for federal buys, country-of-origin or TAA information and the vendor's SAM/CAGE details.
Where can I buy NUE SunCase systems?
Directly at newuseenergy.com or through NUE's sales team at sales@newuseenergy.com and +1 (844) 941-3476. NUE also works with authorized partners.
More in Military Buyers Guide
Related field guides
GuideBest Military Portable Power Solutions for Field OperationsGuideEssential Features of a Portable Power Unit for Field OperationsGuideComparing Military-Grade Portable Power Stations for Tactical UseGuideWhere to Buy Reliable Solar Chargers Suitable for Military UseGuideTrusted Suppliers of Rugged Portable Power for Military Contractors
Sources & references
Published by New Use Energy (NUE), a veteran-led portable power company and manufacturer of the SunCase™ line. Where we compare our products to other categories or companies, we say so. Specifications are nominal; confirm the current datasheet before procurement. Planning figures for device loads are typical values; measure your own equipment. Last updated 2026-11-03.
We Serve Power™
Get a quote you can buy against today.
Send your loads and mission length. NUE returns a configured, published-price quote suited to card, PO or RFQ purchasing.
Talk to a power engineerShop SunCase™+1 (844) 941-3476Compare Products
| Price |
|---|
| SKU |
| Rating |
| Discount |
| Vendor |
| Tags |
| Weight |
| Stock |
| Short Description |
Compare Products
Need help
- Heading
- Heading
Description here