Tenergy 2 Pack, Fire Retardant Lipo Bags, Battery Bags for Charging and Storage, 5.5x3.5x2 inches Each
Quick take
This 2-pack of Tenergy LiPo bags is designed for safer charging and storage of small LiPo battery packs, using a triple-layer flame-retardant material. Buyers tend to like the sturdy feel and the velcro closure, and the bags can fit common small drone and hobby packs. The main thing to double-check is compatibility, because the bag size is fairly compact.
Pros and cons
Pros
- Triple-layer, flame-retardant construction (outer flame-retardant polyester fiber, non-woven mid layer, E-Glass fiberglass inner layer).
- Charging hole with a velcro seal helps manage airflow/oxygen during charging.
- Compact size suits many small LiPo packs (including common drone batteries listed for DJI Mini and Phantom series ranges).
- Velcro closure and overall build quality receive consistent positive feedback.
Cons
- Compact dimensions mean it will not fit larger LiPo packs, even if your charger lead setup is fine.
- Review evidence is limited on what happens during an actual battery failure, so it is best viewed as a containment and handling aid, not a guarantee.
What buyers think
Buyer feedback is generally positive on build and usability, with recurring themes around the bags feeling well-made, having a strong velcro closure, and being easy to place and store. Multiple shoppers mention that the bags fit their specific small LiPo setups well, including hobby batteries and compact packs. There is limited review evidence on real-world performance during catastrophic failures, so expectations should stay grounded: these bags are intended for safer charging and storage practices, not to prove how they behave in worst-case scenarios.
What these LiPo bags are for
Tenergy’s LiPo charging and storage bags are meant to provide a containment and handling barrier when you charge or store LiPo battery packs. The design includes a charging vent with a velcro seal, which is intended to let you route charger leads while keeping the bag closed as much as practical during charging.
Materials and design details that matter
Triple-layer flame-retardant construction
The bag is built with three layers: an outer layer of flame-retardant polyester fiber coated with polyvinyl chloride, a non-woven fabric mid layer, and an E-Glass fiberglass inner layer. That layered approach is aimed at improving flame resistance compared with a single-material storage pouch.
Vent and velcro closure for charging
When charging, the bag uses a top seam vent with a velcro seal concept, so charger leads can pass through while the opening is closed down as intended. This is a key convenience feature because you do not want to leave the bag fully open while charging.
Compact size for small packs
Each bag measures about 5.5 x 3.5 x 2 inches. The manufacturer’s fit notes reference certain drone battery packs, but the practical takeaway is to measure your battery pack dimensions (length, width, and thickness) and compare them to the bag’s internal usable space. If your pack is oversized or irregularly shaped, it may not close properly.
Pros and cons for real shoppers
Best for
- Hobbyists who charge small LiPo packs on a non-flammable surface and want a dedicated charging bag.
- Drone users with compact LiPo batteries who prefer a two-bag set for rotation between charging and storage.
- Buyers who value convenience, especially a secure closure and easy lead routing through a vent.
Who should avoid
- Anyone with larger LiPo packs that won’t fit the bag dimensions without forcing a close.
- Shoppers looking for a fire-tested, performance-validated solution in catastrophic failure scenarios. The bags are designed for safer handling, but review evidence does not establish outcomes during real incidents.
How to use it safely (practical workflow)
For charging, follow a careful routine: set your charger correctly, confirm polarity, place the battery into the bag toward the bottom, route the charging leads through the vent at the top seam, close the top flap, and press the hook-and-loop closure fully. Keep charging on a non-flammable surface and use proper charging practices. For storage, only use the bag according to your battery handling and storage routine, and avoid crowding the bag beyond what it can fit comfortably.
Price and availability
This is sold as a 2-pack. Availability can vary by retailer and time of year, so check the current listing for the latest price and whether the pack is in stock.
Verdict
If you run small LiPo packs and want a compact, easy-to-use charging and storage bag, Tenergy’s 2-pack is a strong fit. Buyers consistently note good build quality and a secure velcro closure, and the vent design supports practical charging setups. Just be strict about size compatibility, since these bags are intentionally compact for smaller battery packs.
FAQ
Are these LiPo bags only for charging, or can they be used for storage?
They’re designed for both charging and storage of LiPo packs. The bag’s purpose is to help with safer containment during handling, whether you’re charging or storing.
What are the bag dimensions?
Each bag is approximately 5.5 x 3.5 x 2 inches (about 140 x 90 x 55 mm).
Does the bag have a vent for charging leads?
Yes. There is a charging hole/vent design with a velcro seal so you can route charger leads while keeping the bag closed as intended.
What material is used in these bags?
The bags use a triple-layer construction: an outer flame-retardant polyester fiber coated with polyvinyl chloride, a non-woven fabric mid layer, and an E-Glass fiberglass inner layer.
Will it fit my drone batteries?
It can fit several common small drone LiPo packs, but you should confirm by comparing your battery pack dimensions to the bag’s 5.5 x 3.5 x 2 inch size and thickness. If your battery pack is larger, the bag may not close properly.
Specifications
| Product Title | Tenergy 2 Pack, Fire Retardant Lipo Bags, Battery Bags for Charging and Storage, 5.5x3.5x2 inches Each |
|---|---|
| Category | Electronics > Household Batteries, Chargers & Accessories > Battery Storage Containers |
| Brand | Tenergy |
| Manufacturer | Tenergy |
| Color | charcoal |
| Material | Triple-layered material (Flame retardant polyester fiber coated with polyvinyl chloride, Non-woven fabric, E-Glass Fiberglass) Triple-layered material (Flame retardant polyester fiber coated with polyvinyl chloride, Non-woven fabric, E-Glass Fiberglass) See more |
| Item Weight | 1.8 Ounces |
| UPC | 844949034722 |
| Unit Count | 2.0 Count |
| Pattern | Solid |
| Enclosure Material | Triple-layered material (Flame retardant polyester fiber coated with polyvinyl chloride, Non-woven fabric, E-Glass Fiberglass) |
| Item Dimensions | 5.5 x 2 x 3.5 inches |
| Item dimensions L x W x H | 5.5 x 2 x 3.5 inches |
Available variants
Size
- 1x Medium 7x9in
- 2x Medium 7x9in
- 1x Large 8.5x6.5x5.7in
- 2x Small 7.3x3x2.4in
- 2x Small 5.5x3.5x2in
- 1x Large 8.5x6.5x5.7in (Pack of 2)
- 2x Small 5.5x3.5x2in (Pack of 2)
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