3.7V 1000mAh LiPo Batteries — Compare Sizes for Your Device
Fit a 1000mAh cell into a compact portable device while balancing finished-pack size, runtime and the actual load your device needs.
Product teams often specify 1000mAh early, then discover that the available cell shapes do not align with the enclosure. Compare verified pouch dimensions, screen potential matches by estimated finished size, and evaluate protection, wiring and load requirements before selecting a model for prototype integration. Use the final shortlist for production sign-off.
Bare & Estimated Finished Sizes
Custom PCM & Connector Options
Engineering Fit Review
Technical Overview
A 1000mAh LiPo battery is a common 1Ah reference for portable electronics that need more runtime without moving to a larger pack. At 1000mAh, geometry can matter as much as nominal capacity: the same rating can be built in very different thickness, width and length combinations. In many portable electronics — for example a portable air-quality monitor or environmental data logger, but equally handheld, wearable or IoT devices — the finished-pack envelope and steady current draw matter as much as nominal capacity. Select by the finished-pack envelope and actual load profile, not by capacity alone.
Find a 1000mAh LiPo Battery for Your Available Space
Use the size fields to shortlist 1000mAh models whose estimated finished envelope may fit your device. The results are potential matches only; confirm PCM, insulation, wiring, connector position, tolerances and mechanical clearance with engineering.
20 listed 1000mAh models
Finished dimensions depend on PCM, insulation, connector and wire-harness configuration and are confirmed on the engineering drawing for the selected model.
Choose the Right 1000mAh Geometry for Your Enclosure
A 1000mAh target can be packaged in different proportions. The listed THOR-403759 has a nominal 4 × 37 × 59mm bare-cell envelope, while THOR-102050 uses a thicker, narrower 10 × 20 × 50mm shape. The correct choice depends on which dimensions the device can trade.
Treat 1000mAh as an electrical target and the battery envelope as a separate mechanical constraint that must be resolved at the same time.
Same 1000mAh capacity, very different geometry. The listed models below all store 1000mAh, yet each one asks for completely different space inside a device:
THOR-405050
4 × 50 × 50 mm — thin and square. Spreads 1000mAh across a wide, shallow footprint for a flat monitor.
THOR-803443
8 × 34 × 43 mm — a compact mid-thickness block. Suits a small sensor housing with depth to spare.
THOR-102050
10 × 20 × 50 mm — thick and narrow. Fits a slim, deep channel where width is the hard limit.
All three store 1000mAh, yet each needs different space. If thickness is the limit, start from the thin, wide models; if width is the limit, a thicker, narrower cell can be acceptable. The geometry, not the capacity, decides the fit.
If the cavity is close to the boundary, compare 900mAh, 1100mAh and 1200mAh geometries before changing the industrial design.
Validate 1000mAh Current Capability for Portable Electronic Loads
The 1000mAh rating describes charge capacity, not maximum continuous or peak current. In a compact portable device — for example an environmental monitor with near-continuous sensing, but also handheld, wearable or IoT electronics — the battery sees a steady load plus periodic peaks from a fan, pump, display refresh or wireless event. Whether the cell sustains those peaks depends on the specific cell model, C-rate, internal resistance, PCM and temperature. Use the battery runtime and capacity guide for energy planning, then validate loaded voltage, duty-cycle current and low-state behavior with the actual electronics. A custom LiPo battery configuration should be reviewed when the standard assembly does not satisfy these constraints.
Bare Cell Size vs Finished Battery Size
Nominal 1000mAh cell dimensions do not represent every component of a finished battery. Protection, insulation, wires and connector placement can extend one or more axes.
In a compact portable device, the finished pack must account for PCB and component depth, connector access, the wire route and any sensor, fan or display module.
Bare Cell Size
Raw pouch-cell dimensions
(T × W × L)
→
+ PCM, Insulation, Wires, Connector
Protection circuitry, insulation wrap, lead wires, connector & wire exit
→
Estimated Finished Size
Approximate assembled dimensions for initial screening
A released finished-pack drawing should be used for mechanical sign-off; model names and bare-cell dimensions are suitable only for early comparison.
How to Choose a 1000mAh LiPo Battery
Measure the Space
Record the maximum battery cavity: thickness × width × length.
Allow Clearance
Allow for manufacturing tolerance, insulation, assembly and long-term cell expansion.
Confirm the Load
Provide continuous and peak current requirements. Capacity alone does not define current capability.
Define the Assembly
Confirm PCM, connector, polarity, wire length, wire exit direction and labeling.
Verify With Samples
Confirm the final drawing, finished dimensions and sample fit before volume production.
Custom 1000mAh LiPo Battery Configuration
THOR Power can review 1000mAh battery geometry together with PCM, connector, polarity, wire length, exit direction, labeling and packaging. Current capability and finished dimensions are confirmed for the selected configuration.
Connector
Wire Length
Polarity
Wire Exit Direction
Label
Need a 1000mAh LiPo Battery for Your Project?
Tell us your available battery space, application, working current, peak current, connector requirement and quantity. Our engineering team will review the suitable 1000mAh model and finished battery configuration.
- Bare Cell Size
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- Approx. Finished Size
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1000mAh LiPo Battery FAQ
What size is a 1000mAh LiPo battery?
There is no single size for a 1000mAh LiPo battery. The listed models provide multiple bare-cell geometries, so the correct dimensions come from the exact model and finished-pack drawing.
Is bare-cell size the same as finished battery size?
No. A finished battery can be larger than the bare pouch cell after protection, insulation, leads and the connector are added.
What current can a 1000mAh battery deliver?
Confirm allowable continuous and peak current with the exact cell and protection circuit. Capacity alone does not define the safe current for a 1000mAh pack.
Can a 1000mAh LiPo battery be made thinner?
A different 1000mAh format may reduce the device's limiting dimension while increasing another. Custom feasibility depends on the requested dimensions, capacity and project requirements.
Should I choose 900mAh or 1100mAh instead of 1000mAh?
A 900mAh cell can protect thickness or footprint when mechanical fit matters most; an 1100mAh cell adds runtime when the enclosure has room. Compare finished-pack dimensions side by side, because the small capacity difference alone does not predict the better fit.
Is a 1000mAh LiPo suitable for a portable air-quality or environmental monitor?
It can be considered when the finished-pack envelope fits and the selected cell supports the continuous sensing plus fan, display and wireless peaks. Confirm PCM behavior, connector routing, charging strategy and temperature range with the actual monitor electronics.
What should I check for an environmental data logger?
For a data logger that samples and records over long deployments, verify the steady sensing current, the wireless-upload peak and the PCM quiescent drain, then confirm self-discharge over the deployment window and the charging and temperature range with the actual electronics.
Related Pages
Why compare nearby capacities: A 900mAh model may protect thickness or footprint in a smaller sensing device. An 1100mAh or 1200mAh model can extend logging runtime when the enclosure and charging system support the larger finished assembly.