- Assembled in the USA
- Lifetime warranty
- Lifetime USA customer support
- ISO 9001, ISO 14001, NDAA compliant
- Dangerous goods certified
- Proprietary low temperature/high current MaxAmps assembly process
- Factory fresh grade A cells
- Voltage matched cells
- Grade A pure copper wire(wire gauge depending on connector choice)
- Silicone wire jacketing
- Military grade assembly
- Standard battery comes with Polyvinyl Chloride(PVC) outer layer
- Your choice of connectors and wire length
- Overnight shipping available
Brand | MaxAmps Lithium Batteries |
Capacity | 4000mAh |
Nominal voltage | 9S 33.3v |
Maximum voltage | 37.8v |
Minimum voltage | 27v |
Recommended landing voltage(air) | 31.5v |
Recommended cut-off voltage(ground) | 28.8v |
Chemistry | Lithium-Polymer(LiPo) |
Maximum continuous discharge | 128 amps |
Maximum charge current | 20 amps |
Watt hours | 133.2 Wh |
Energy density | 137 Wh/kg |
Main lead length(custom lengths available) | 5.5″(140mm) |
Balance lead length(custom lengths available) | 5.5″(140mm) |
Length | 5.39″(137mm) |
Width | 1.85″(47mm) |
Height | 2.52″(64mm) |
Weight | 30.05oz(852g) |
SKU | Lipo-4000-9S-Pack-3 |
Available upgrades:
Hard case | aluminum-rubber composite | add 5mm to length, width, and height and 5% to weight |
State of charge indicator |
momentary push button led lights |
add 6mm to length and 10g to weight |
Built in balance lead |
built into battery, eliminates exterior wires on balance lead |
no added dimensions or weight |
Internal self balancing |
balances individual cells in battery pack internally |
add 10mm to length and 9g to weight |
DroneCAN |
bus communication (150A Max) |
add 6mm to length and 10g to weight |
Custom configurations, additional functionality, and engineered drawings are available upon request.
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