Description
The most weight-efficient step in the 34×96mm format — and the first Ultra cell to sustain 150A continuously. The 3.7V Ternary 2,500mAh delivers 325A peak and 150A continuous from a 62g, 8.9mm soft pack in the 34×96mm footprint — crossing the 150A sustained threshold for the first time in the entire Ultra lineup, at just 7g and 1.0mm more than the 2,200mAh it steps up from. Built for larger FPV racing drones, RC cars, RC aircraft, and RC boats where the 2,200mAh’s 132A continuous ceiling is the binding constraint and minimum additional weight is the priority.
Key Specifications at a Glance
| Specification | Value |
|---|---|
| Nominal Voltage | 3.7V |
| Capacity | 2,500mAh (2.5Ah) |
| Stored Energy | 9.25Wh |
| Continuous Discharge | 60C / 150A |
| Peak Discharge | 130C / 325A |
| Charge Rate | 2C / 5.0A (~30 min) |
| Dimensions | 34 × 96mm |
| Thickness | 8.9mm |
| Weight | 62g (±5%) |
| Construction | Ceramic separator / PVDF electrode |
| Application | Racing-grade FPV / RC car / RC aircraft / RC boat |
Why Choose the Midlands Power 2,500mAh Ultra Ternary Battery?
Most Weight-Efficient Step in the 34×96mm Format — +7g and +1.0mm for +13.6% Performance
The 2,500mAh is the most physically economical capacity upgrade in the 34×96mm family. Both steps from this position compared:
| Step | Weight Added | Thickness Added | Energy Gained | Peak Gained |
|---|---|---|---|---|
| 2,200mAh → 2,500mAh | +7g | +1.0mm | +13.6% | +39A |
| 2,500mAh → 3,000mAh | +13g | +1.8mm | +20.0% | +65A |
The step to the 2,500mAh costs 6g less and 0.8mm less than the step to the 3,000mAh. For builds where the 3,000mAh’s 75g and 10.7mm exceed the platform’s weight and depth budget, the 2,500mAh delivers meaningful performance gain at the lowest possible physical cost within this format.
150A Continuous — The First Ultra Cell to Cross the 150A Sustained Threshold
At 60C continuous from 2,500mAh, this cell delivers 150A of sustained output — crossing the 150A continuous threshold for the first time across the entire Ultra lineup. Every cell before it — across the 20-series, 30×48mm, 34×62mm, and the 34×96mm 2,200mAh — sustains below 150A. The progression to this point:
| Cell | Continuous |
|---|---|
| 34×62mm 2,000mAh | 120A |
| 34×96mm 2,200mAh | 132A |
| 34×96mm 2,500mAh | 150A |
| 34×96mm 3,000mAh | 180A |
For motor and ESC configurations sustaining draws between 132A and 150A during aggressive racing runs, the 2,200mAh falls short. The 2,500mAh is the entry point in the entire Ultra lineup that clears this requirement — and it does so as the mid-cell of the format, not the ceiling, with the 3,000mAh still available above it.
325A Peak — Highest Absolute Peak Current in the Ultra Lineup to This Tier
Advanced electrode material formulation and the 34×96mm geometry deliver 325A of instantaneous peak burst current at 130C — the highest absolute peak current of any Ultra cell across all formats and capacities up to and including this tier. Against every cell before it:
- 39A more than the 34×96mm 2,200mAh (286A)
- 65A more than the 34×62mm 2,000mAh (260A)
- 215A more than the highest peak of any 20-series Ultra cell
For motor and ESC configurations requiring above 286A instantaneous current within the 34×96mm format, the 2,500mAh is the first cell at the mid-capacity tier that delivers it.
The Only 34×96mm Cell at 8.9mm Depth
At 8.9mm, the 2,500mAh is the sole cell in the 34×96mm format fitting bays too shallow for the 3,000mAh (10.7mm) but beyond the 2,200mAh’s performance limits. For depth-constrained builds where 7.9mm is insufficient and 10.7mm is unavailable, the 2,500mAh is the only option in this footprint — there is no alternative at this depth in the 34×96mm family.
13.6% More Energy Than the 2,200mAh — For 7g and 1.0mm
Stepping from the 2,200mAh to the 2,500mAh adds 1.11Wh of stored energy (+13.6%) and raises peak burst from 286A to 325A (+39A) — for just 7g of additional weight and 1.0mm of additional thickness in the same 34×96mm bay. No frame modification is required. For any build currently running the 2,200mAh where the 286A peak ceiling or 132A continuous limit is the binding performance constraint, this is the direct upgrade at minimum physical cost.
Ceramic Separator and PVDF Electrode — Racing-Grade Construction
Industry-first ceramic separator and PVDF electrode construction deliver thermal resistance and structural integrity at the demanding output levels of competitive racing. The ceramic separator maintains safety under 325A peak events across the 34×96mm electrode area. The PVDF binder sustains electrode structural integrity under the combined stress of 150A continuous discharge and 325A peak events through the full 96mm electrode length, contributing to long cycle life and consistent performance across hundreds of high-rate charge-discharge cycles.
Full 34×96mm Format Comparison
| 2,500mAh | 2,200mAh | 3,000mAh | |
|---|---|---|---|
| Thickness | 8.9mm | 7.9mm | 10.7mm |
| Weight | 62g | 55g | 75g |
| Energy | 9.25Wh | 8.14Wh | 11.10Wh |
| Peak | 130C / 325A | 130C / 286A | 130C / 390A |
| Continuous | 60C / 150A | 60C / 132A | 60C / 180A |
| Charge Rate | 2C / 5.0A | 2C / 4.4A | 2C / 6.0A |
| Best For | Most efficient step, first 150A+, depth ≤ 8.9mm | Thinnest entry, depth ≤ 7.9mm | Max 34×96mm energy and current |
When the 2,500mAh Is the Right Choice
The 2,500mAh is the correct cell within the 34×96mm format when three conditions apply.
The 2,200mAh is insufficient — its 286A peak or 132A continuous does not meet the motor and ESC configuration’s requirements.
The 3,000mAh is too much — its 75g and 10.7mm exceed the platform’s weight or depth budget, or bay depth is available to 8.9mm but not 10.7mm.
Minimum additional weight is the priority — at just +7g and +1.0mm over the 2,200mAh, the 2,500mAh is the smallest possible physical step to meaningful performance gain in this format.
Stepping Up From the 2,200mAh
Moving from the 2,200mAh to the 2,500mAh in the same 34×96mm bay adds 1.11Wh of stored energy (+13.6%), raises peak burst from 286A to 325A (+39A), and raises continuous from 132A to 150A (+18A) — for 7g of additional weight and 1.0mm of additional thickness. No frame modification is required. This is the most weight-efficient upgrade available within the 34×96mm format.
Charging: 2C / 5.0A — Full Charge in ~30 Minutes
The 2C continuous charge rate delivers a clean 5.0A input, fully charging the cell in approximately 30 minutes. Running multiple cells in rotation at 2C sustains back-to-back racing sessions at the mid-range energy level of the 34×96mm format without interruption.
Ideal Applications
Larger FPV racing drones — 130C / 325A peak and 150A continuous at the mid-capacity tier of the 34×96mm format, for builds exceeding the 2,200mAh’s current ceiling.
RC cars requiring above 286A peak — 325A burst in the 34×96mm bay, the first cell in the format exceeding 286A at mid-capacity.
RC aircraft with extended fuselage battery channels — 9.25Wh at 62g in the 34×96mm footprint, more run time than the 2,200mAh for medium-to-large racing aircraft.
RC boats sustaining above 132A — 150A continuous, the first Ultra cell meeting sustained motor draws above 132A in the 34×96mm format.
2,200mAh upgrade builds — same 34×96mm bay, 13.6% more energy, 39A more peak, 18A more continuous, for just 7g and 1.0mm, no frame modification required.
Depth-constrained 34×96mm builds — at 8.9mm, the only cell in this footprint fitting bays too shallow for the 3,000mAh but beyond the 2,200mAh’s performance limits.
Product Summary
The Midlands Power 3.7V Ternary 2,500mAh occupies the mid-capacity position of the 34×96mm format with a clear purpose: the most weight-efficient upgrade in the family, the first Ultra cell sustaining 150A continuously, and the only option at 8.9mm depth in this footprint. At 325A peak, 150A continuous, and 9.25Wh in 62g — just 7g and 1.0mm more than the 2,200mAh — it delivers everything the entry cell cannot, at the minimum physical cost the format allows.
Series: Ultra | Chemistry: 3.7V Ternary | Construction: Ceramic separator / PVDF electrode | Form Factor: Soft Pack / Pouch Cell


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