Description

The highest-energy cell in the 43×128mm format. The 3.8V HV LCO 8,000mAh stores 30.40Wh at 225 Wh/kg in a 135g, 43×128mm soft pack — more stored energy than any other cell in this footprint, across both HV LCO and Ternary chemistries. Built for long-range FPV, RC aircraft, RC cars, and RC boats where maximum endurance in a compact, lightweight format is the design priority.

 

Key Specifications at a Glance

Specification	Value
Nominal Voltage	3.8V
Charge Voltage	4.45V
Capacity	8,000mAh (8.0Ah)
Stored Energy	30.40Wh
Energy Density	225 Wh/kg
Continuous Discharge	20C / 160A
Peak Discharge	35C / 280A
Charge Rate	2C / 16.0A (~30 min)
Dimensions	43 × 128mm
Thickness	10.8mm
Weight	135g (±5%)
Construction	World-leading stacking technique
Application	Long-range FPV / RC aircraft / RC car / RC boat

 

Why Choose the Midlands Power 8,000mAh HV LCO Ultra Battery?

Highest Stored Energy in the Entire 43×128mm Format — 30.40Wh

At 30.40Wh, this cell stores more energy than any other 43×128mm cell in the Ultra lineup — including every Ternary variant in this footprint. The nearest 43×128mm competitor, the 3.7V Ternary 6,300mAh, stores 23.31Wh. That is 7.09Wh (30.4%) less energy in a cell that is 2g heavier and 0.1mm thicker. For long-range and endurance builds where the 43×128mm bay is fixed and flight or run time is the objective, no other cell in this format delivers more.

 

30.4% More Energy Than the 3.7V Ternary 6,300mAh — 2g Lighter, 0.1mm Thinner

The HV LCO 8,000mAh and the 3.7V Ternary 6,300mAh share the same 43×128mm footprint. Bay fit, frame compatibility, and mounting are identical. The difference is in what each cell delivers from that bay:

	HV LCO 8,000mAh	Ternary 6,300mAh
Weight	135g	137g
Thickness	10.8mm	10.9mm
Stored Energy	30.40Wh	23.31Wh
Wh/kg	225	170
Continuous	20C / 160A	45C / 284A
Peak	35C / 280A	75C / 472A

For any build running the Ternary 6,300mAh where 472A peak and 284A continuous are not required, switching to the HV LCO 8,000mAh adds a third more energy with no frame modification, no weight penalty, and no thickness penalty.

 

42g Lighter Than the 3.7V Ternary 8,000mAh — Same Capacity, Smaller Format

The 3.7V Ternary 8,000mAh stores 29.60Wh in the 70×140mm format at 177g. The HV LCO 8,000mAh stores 30.40Wh in the 43×128mm format at 135g — 42g lighter, in a bay that is 27mm narrower and 12mm shorter, storing 0.80Wh more energy. The trade-off is 2.9mm more thickness and 320A less peak burst. For platforms where the 43×128mm format fits and long-range endurance at minimum weight is the priority, the HV LCO 8,000mAh is the more capable cell.

 

225 Wh/kg — 32% More Energy Per Gram Than the Ternary 6,300mAh in the Same Bay

The 4.45V charge ceiling extends the usable voltage window beyond standard LCO (4.2V) and standard Ternary chemistry (~4.2V), storing more energy per unit of electrode mass. At 225 Wh/kg, the HV LCO 8,000mAh delivers 32% more energy per gram than the 3.7V Ternary 6,300mAh (170 Wh/kg) from an identical footprint — the direct, measurable output of the HV LCO energy density advantage in the 43×128mm format.

 

280A Peak — Highest Burst Output in the HV LCO 43×128mm Family

World-leading stacking technique enables 280A instantaneous peak current at 35C — 52A more than the HV LCO 6,500mAh’s 228A, and the highest absolute peak current the HV LCO 43×128mm family produces. For long-range FPV and RC platforms where 280A covers takeoff loads and peak throttle demands, this cell delivers that output from 30.40Wh in a 135g, 43×128mm cell.

 

160A Continuous — Highest Sustained Output in the HV LCO 43×128mm Family

At 20C continuous, the 8,000mAh delivers 160A of sustained output — 30A more than the HV LCO 6,500mAh’s 130A and the highest continuous current the HV LCO 43×128mm family produces. For long-range cruisers and endurance RC platforms where the sustained motor draw operates within the 20C/160A range, this rating provides consistent headroom throughout the extended discharge curve.

 

The Ceiling of the HV LCO 43×128mm Family — No Higher Capacity in This Bay

The 8,000mAh is the maximum capacity available in the HV LCO 43×128mm format. The next HV LCO cell in the Ultra lineup — the 3.85V 10,000mAh — moves to the larger 60×120mm footprint. For builds committed to the 43×128mm bay on the HV LCO long-range architecture, the 8,000mAh is the definitive endpoint: 30.40Wh in 135g with no frame modification required.

 

Full 43×128mm Format Comparison — All Ultra Cells

	HV LCO 8,000mAh	HV LCO 6,500mAh	Ternary 6,300mAh	Ternary 5,200mAh	Ternary 4,000mAh
Voltage	3.8V	3.8V	3.7V	3.7V	3.7V
Thickness	10.8mm	9.0mm	10.9mm	9.2mm	7.2mm
Weight	135g	100g	137g	116g	90g
Energy	30.40Wh	24.70Wh	23.31Wh	19.24Wh	14.80Wh
Wh/kg	225	247	170	166	164
Continuous	20C / 160A	20C / 130A	45C / 284A	45C / 234A	45C / 180A
Peak	35C / 280A	35C / 228A	75C / 472A	75C / 390A	75C / 300A
Best For	Max energy, long-range flagship	Lightweight HV LCO entry	Max burst rate	Mid burst	Entry burst

 

8,000mAh Head-to-Head: HV LCO vs. Ternary

	HV LCO 8,000mAh	Ternary 8,000mAh
Format	43×128mm	70×140mm
Thickness	10.8mm	7.9mm
Weight	135g	177g
Energy	30.40Wh	29.60Wh
Wh/kg	225	167
Peak	35C / 280A	75C / 600A
Continuous	20C / 160A	35C / 280A
Best For	Lighter, smaller format, more energy	Maximum peak current, large-frame platforms

 

Stepping Up From the HV LCO 6,500mAh

Moving from the 6,500mAh to the 8,000mAh within the same 43×128mm bay adds 5.70Wh of stored energy (+23.1%) and raises peak burst from 228A to 280A (+22.8%), at the cost of 35g of additional weight and 1.8mm of additional thickness. No frame modification is required. For operators already running the HV LCO 6,500mAh who need maximum endurance from the HV LCO architecture in the 43×128mm format, the 8,000mAh is the direct upgrade.

 

Charging: 2C / 16A — Full Charge in ~30 Minutes

The 2C continuous charge rate delivers 16.0A input — the highest absolute charge current in the HV LCO 43×128mm family — fully charging the cell in approximately 30 minutes. Running multiple cells in rotation at 2C supports uninterrupted long-range operations at maximum energy.

 

Construction: 3.8V Platform, 4.45V Charge Ceiling, World-Leading Stacking Technique

The 4.45V high-voltage charge ceiling — above both standard LCO (4.2V) and standard Ternary (~4.2V) — is the foundation of the HV LCO energy density advantage. World-leading stacking technique ensures precise internal electrode layer alignment across the full 43×128mm footprint at the 4.45V operating threshold, maintaining consistent performance, safe operation under elevated electrochemical stress, and stable voltage output throughout the long-range discharge profile.

 

Ideal Applications

Long-range FPV cruisers requiring maximum energy — 30.40Wh is the most stored energy available in the 43×128mm format, directly maximizing sustained flight range.

Endurance RC aircraft in the 43×128mm bay — 225 Wh/kg at 135g delivers 32% more energy per gram than the Ternary 6,300mAh in the same footprint.

RC cars in distance or efficiency events — 160A continuous from a 135g cell provides maximum energy for the longest competitive runs in this format.

Ternary 6,300mAh upgrade — same 43×128mm bay, 2g lighter, 0.1mm thinner, 30.4% more energy if 280A peak is sufficient for the build.

Ternary 8,000mAh footprint reduction — same capacity, 42g lighter, in a smaller 43×128mm bay; trade 2.9mm more thickness and lower peak rate for significant weight and size savings.

HV LCO 43×128mm flagship build — the definitive ceiling of the HV LCO long-range architecture in this format.

 

Product Summary

The Midlands Power 3.8V HV LCO 8,000mAh closes the 43×128mm HV LCO family as its highest-capacity, highest-energy cell. It delivers 30.40Wh at 225 Wh/kg in 135g — more stored energy than any other 43×128mm cell in the Ultra lineup, from a cell that is lighter and thinner than the comparable Ternary alternative. For long-range and endurance builds fixed to the 43×128mm format, this is the maximum the HV LCO architecture delivers in this bay.

Series: Ultra | Chemistry: High Voltage Lithium Cobaltate | Form Factor: Soft Pack / Pouch Cell