BetaFPV · Battery

BetaFPV LAVA 4S 850 mAh 100C

Name: BetaFPV LAVA 4S 850 mAh 100C
Brand: BetaFPV

4S 850 mAh on XT30, 100C, 95 g. The biggest LAVA 4S pack, for heavier cinewhoops.

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Check this part against a build See all in Battery

Specification last checked 2026-07-27

Cell count4 SDecides what it fits
Battery connectorXT30Decides what it fits
Discharge rating100 CHow hard the pack can be pulled.
Capacity850 mAhFlight time, and the first thing anyone compares on a pack.

Compatibility

What this fits

Checked against every other product in the catalog by the same engine the planner runs, rule by rule. Where a specification is missing the answer is unknown, which is a different answer from compatible.

Complete drone

Works, with a compromise (25)Works with (4)70 not yet judged · 19 for other sizes

All complete drone · All 89 complete drone checked against this battery

Works, with a compromise (14)
XT30 does not match BT2.0. Re-soldering or an adapter is needed.
Rule: Battery connector match
Show the other 2
- BetaFPV Meteor75 Pro II PNP, no video transmitter / ELRS 2.4G
- BetaFPV Meteor75 Pro II PNP, no video transmitter / SBUS
Works, with a compromise (9)
XT30 does not match XT60. Re-soldering or an adapter is needed.
Rule: Battery connector match
Works, with a compromise (2)
XT30 does not match NX69 (NewBeeDrone). Re-soldering or an adapter is needed.
Rule: Battery connector match
- NewBeeDrone Hummingbird RaceSpec V2
- NewBeeDrone Hummingbird V4.1
Works with (1)
4S is what GEPRC Cinelog30 V3 (DJI O4 Pro) takes.
Rule: Battery voltage suits the aircraft
- GEPRC Cinelog30 V3 (DJI O4 Pro)
Works with (1)
4S is what Sub250 Huma20 takes.
Rule: Battery voltage suits the aircraft
- Sub250 Huma20
Works with (1)
4S is what Sub250 OasisFly25 takes.
Rule: Battery voltage suits the aircraft
- Sub250 OasisFly25
Works with (1)
4S is what Sub250 OasisFly30 takes.
Rule: Battery voltage suits the aircraft
- Sub250 OasisFly30

Show the 19 made for a different size or voltage, and 70 we cannot judge yet, because a deciding specification is not recorded

Made for another size (1)
BetaFPV Air75 takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Air75
Made for another size (1)
BetaFPV Cetus Pro FPV Kit takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Cetus Pro FPV Kit
Made for another size (1)
BetaFPV Cetus X FPV Kit takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Cetus X FPV Kit
Made for another size (1)
BetaFPV Meteor65 Brushless 1S takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Meteor65 Brushless 1S
Made for another size (1)
BetaFPV Meteor65 HD takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Meteor65 HD
Made for another size (1)
BetaFPV Meteor65 Pro takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Meteor65 Pro
Made for another size (1)
BetaFPV Meteor65 RTF Kit takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Meteor65 RTF Kit
Made for another size (1)
BetaFPV Meteor75 Pro takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Meteor75 Pro
Made for another size (1)
BetaFPV Meteor75 Pro HD Walksnail Avatar takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Meteor75 Pro HD Walksnail Avatar
Made for another size (1)
BetaFPV Meteor75 Pro HD HDZero takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Meteor75 Pro HD HDZero
Made for another size (1)
BetaFPV Meteor75 Pro O4 takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- BetaFPV Meteor75 Pro O4
Made for another size (1)
EMAX Tinyhawk III Plus RTF Kit takes 1S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- EMAX Tinyhawk III Plus RTF Kit
Made for another size (1)
GEPRC Vapor D5 BNF (DJI O4 Pro) takes 6S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- GEPRC Vapor D5 BNF (DJI O4 Pro)
Made for another size (1)
iFlight Chimera7 Pro V2 (analog) BLITZ Whoop 1.6 W VTX takes 6S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- iFlight Chimera7 Pro V2 (analog) BLITZ Whoop 1.6 W VTX
Made for another size (1)
iFlight Chimera7 Pro V2 (analog) BLITZ Whoop 2.5 W VTX takes 6S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- iFlight Chimera7 Pro V2 (analog) BLITZ Whoop 2.5 W VTX
Made for another size (1)
iFlight Chimera7 Pro V2 (DJI O4 Pro) takes 6S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- iFlight Chimera7 Pro V2 (DJI O4 Pro)
Made for another size (1)
iFlight Chimera CX10 ECO 6S BLITZ Whoop 1.6 W VTX takes 6S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- iFlight Chimera CX10 ECO 6S BLITZ Whoop 1.6 W VTX
Made for another size (1)
iFlight Chimera CX10 ECO 6S BLITZ Whoop 2.5 W VTX takes 6S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- iFlight Chimera CX10 ECO 6S BLITZ Whoop 2.5 W VTX
Made for another size (1)
iFlight Nazgul Evoque F5 V3 (DJI O4 Pro) takes 6S, and this is a 4S pack.
Rule: Battery voltage suits the aircraft
- iFlight Nazgul Evoque F5 V3 (DJI O4 Pro)
Not enough recorded specification (70)
Not enough recorded specification to judge this combination.
Rule: Battery voltage suits the aircraft
- 36.1g Flywoo Firefly16 1S Nano
- 36.2 g Flywoo Firefly18 1S
- AstroRC Shuttle V2 Analog /
- AstroRC Shuttle V5 Analog /
- AstroRC Starloop 35 Analog 3.5
- AxisFlying Bando5 SE 5 tum
- AxisFlying Manta 30 O4 160mm
- AxisFlying Manta 5 SE V2
- BetaFPV Aquila20 HD RTF 100
- BetaFPV Aquila20 RTF 100 mm
- BetaFPV Pavo20 Pro II O4 Pro / ELRS 2.4G
- BetaFPV Pavo20 Pro II O4 Pro / SBUS
Show the other 58

Flight stack (FC + ESC)

Works, with a compromise (1)5 not yet judged

All flight stack (fc + esc)

Works, with a compromise (1)
XT30 does not match XT60. Re-soldering or an adapter is needed.
Rule: Battery connector match
- SpeedyBee F405 V4 stack

Show the 5 we cannot judge yet, because a deciding specification is not recorded

Not enough recorded specification (5)
Not enough recorded specification to judge this combination.
Rule: Battery connector match

AIO board (FC + ESC)

Does not work with (3)Works with (2)1 not yet judged

All aio board (fc + esc) · All 6 aio board (fc + esc) checked against this battery

Does not work with (1)
4S is outside the 1–1S range BetaFPV F4 1S AIO accepts.
Rule: Battery voltage within supported range
- BetaFPV F4 1S AIO
Does not work with (1)
4S is outside the 1–2S range Flywoo GOKU F405 HD 1-2S 12A ELRS AIO V2 accepts.
Rule: Battery voltage within supported range
- Flywoo GOKU F405 HD 1-2S 12A ELRS AIO V2
Does not work with (1)
4S is outside the 1–2S range HappyModel X12 AIO accepts.
Rule: Battery voltage within supported range
- HappyModel X12 AIO
Works with (1)
4S is inside the Flywoo GOKU GN745 AIO V3 supported range.
Rule: Battery voltage within supported range
- Flywoo GOKU GN745 AIO V3
Works with (1)
4S is inside the iFlight BLITZ Whoop F7 AIO V1.1 supported range.
Rule: Battery voltage within supported range
- iFlight BLITZ Whoop F7 AIO V1.1

Show the 1 we cannot judge yet, because a deciding specification is not recorded

Not enough recorded specification (1)
Not enough recorded specification to judge this combination.
Rule: Battery connector match
- iFlight Beast F7 55A V2 AIO

Flight controller

Works with (3)

All flight controller

Works with (1)
4S is inside the Flywoo GOKU GN405 Nano V3 supported range.
Rule: Battery voltage within supported range
- Flywoo GOKU GN405 Nano V3
Works with (1)
4S is inside the Hobbywing XRotor F7 Convertible supported range.
Rule: Battery voltage within supported range
- Hobbywing XRotor F7 Convertible
Works with (1)
4S is inside the Lumenier LUX MINI F7 V2 supported range.
Rule: Battery voltage within supported range
- Lumenier LUX MINI F7 V2

ESC

Works, with a compromise (2)4 not yet judged

All esc

Works, with a compromise (2)
XT30 does not match XT60. Re-soldering or an adapter is needed.
Rule: Battery connector match
- HGLRC SPECTER 128K 60A 4-in-1
- Hobbywing XRotor FPV G2 4-in-1 65A

Show the 4 we cannot judge yet, because a deciding specification is not recorded

Not enough recorded specification (4)
Not enough recorded specification to judge this combination.
Rule: Battery connector match

Motors

Does not work with (16)Works, with a compromise (8)Works with (13)

All motors · All 19 motors checked against this battery

Does not work with (2)
30000KV on 4S commands about 444000 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- BetaFPV 0702 (2026) Racing 30000KV
- BetaFPV 0702 II 30000KV
Does not work with (2)
27000KV on 4S commands about 399600 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- BetaFPV 0702SE II 27000KV
- RCinPower GTS V3 0702 27000KV
Does not work with (2)
22000KV on 4S commands about 325600 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- BetaFPV 0802SE 22000KV
- RCinPower GTS V3 1002 22000KV
Does not work with (2)
19000KV on 4S commands about 281200 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- HappyModel EX0802
- RCinPower GTS V3 1002 19000KV
Does not work with (1)
36000KV on 4S commands about 532800 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- BetaFPV 0702 (2026) Champion 36000KV
Does not work with (1)
25000KV on 4S commands about 370000 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- BetaFPV 0702 (2026) Freestyle 25000KV
Does not work with (1)
23000KV on 4S commands about 340400 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- BetaFPV 0702SE II 23000KV
Does not work with (1)
19500KV on 4S commands about 288600 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- BetaFPV 0802SE 19500KV
Does not work with (1)
18000KV on 4S commands about 266400 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- BetaFPV 1102 18000KV
Does not work with (1)
23500KV on 4S commands about 347800 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- Flywoo Robo 1002 23500KV
Does not work with (1)
29000KV on 4S commands about 429200 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- RCinPower GTS V3 0702 29000KV
Does not work with (1)
14000KV on 4S commands about 207200 RPM. That is far past anything this class of motor survives, and it will burn the motor and usually the ESC with it.
Rule: Motor KV suits the battery
- RCinPower GTS V3 1002 14000KV
Works, with a compromise (2)
1300KV on 4S is outside the usual range. It will fly, but expect heat or lost punch.
Rule: Motor KV suits the battery
- EMAX E3 Series 2807 1300KV
- iFlight XING 2806.5 1300KV
Works, with a compromise (1)
1500KV on 4S is outside the usual range. It will fly, but expect heat or lost punch.
Rule: Motor KV suits the battery
- EMAX E3 Series 2807 1500KV
Works, with a compromise (1)
1280KV on 4S is outside the usual range. It will fly, but expect heat or lost punch.
Rule: Motor KV suits the battery
- GEPRC SPEEDX2 2809 1280KV
Works, with a compromise (1)
800KV on 4S is outside the usual range. It will fly, but expect heat or lost punch.
Rule: Motor KV suits the battery
- iFlight XING2 2809 800KV
Works, with a compromise (1)
1250KV on 4S is outside the usual range. It will fly, but expect heat or lost punch.
Rule: Motor KV suits the battery
- iFlight XING2 2809 1250KV
Works, with a compromise (1)
1600KV on 4S is outside the usual range. It will fly, but expect heat or lost punch.
Rule: Motor KV suits the battery
- iFlight XING2 2809 1600KV
Works, with a compromise (1)
1350KV on 4S is outside the usual range. It will fly, but expect heat or lost punch.
Rule: Motor KV suits the battery
- RCinPower SmooX 2806.5 1350KV
Works with (2)
1700KV suits a 4S setup.
Rule: Motor KV suits the battery
- EMAX E3 Series 2807 1700KV
- EMAX ECO II 2207 1700KV
Works with (1)
4500KV suits a 4S setup.
Rule: Motor KV suits the battery
- BetaFPV 1404 4500KV
Works with (1)
1900KV suits a 4S setup.
Rule: Motor KV suits the battery
- EMAX ECO II 2207 1900KV
Works with (1)
2400KV suits a 4S setup.
Rule: Motor KV suits the battery
- EMAX ECO II 2207 2400KV
Works with (1)
1855KV suits a 4S setup.
Rule: Motor KV suits the battery
- iFlight Xing2 2207 1855KV
Works with (1)
2755KV suits a 4S setup.
Rule: Motor KV suits the battery
- iFlight Xing2 2207 2755KV
Works with (1)
1800KV suits a 4S setup.
Rule: Motor KV suits the battery
- iFlight XING 2806.5 1800KV
Works with (1)
1860KV suits a 4S setup.
Rule: Motor KV suits the battery
- RCinPower Wasp Major 22.6-6.5 1860KV
Works with (1)
1750KV suits a 4S setup.
Rule: Motor KV suits the battery
- T-Motor Velox Veloce V2207.5 V2 1750KV
Works with (1)
1950KV suits a 4S setup.
Rule: Motor KV suits the battery
- T-Motor Velox Veloce V2207.5 V2 1950KV
Works with (1)
2050KV suits a 4S setup.
Rule: Motor KV suits the battery
- T-Motor Velox Veloce V2207.5 V2 2050KV
Works with (1)
2550KV suits a 4S setup.
Rule: Motor KV suits the battery
- T-Motor Velox Veloce V2207.5 V2 2550KV

Video transmitter

Does not work with (2)Works with (8)8 not yet judged

All video transmitter · All 18 video transmitter checked against this battery

Does not work with (1)
4S is outside the 1–3S range HDZero Whoop Lite accepts.
Rule: Battery voltage within supported range
- HDZero Whoop Lite
Does not work with (1)
4S is outside the 2–3S range TBS Unify Pro32 Nano accepts.
Rule: Battery voltage within supported range
- TBS Unify Pro32 Nano
Works with (1)
4S is inside the DJI O3 Air Unit supported range.
Rule: Battery voltage within supported range
- DJI O3 Air Unit
Works with (1)
4S is inside the DJI O4 Air Unit supported range.
Rule: Battery voltage within supported range
- DJI O4 Air Unit
Works with (1)
4S is inside the DJI O4 Air Unit Pro supported range.
Rule: Battery voltage within supported range
- DJI O4 Air Unit Pro
Works with (1)
4S is inside the Eachine TX805 supported range.
Rule: Battery voltage within supported range
- Eachine TX805
Works with (1)
4S is inside the HDZero Freestyle V2 supported range.
Rule: Battery voltage within supported range
- HDZero Freestyle V2
Works with (1)
4S is inside the RUSH Tank MAX SOLO supported range.
Rule: Battery voltage within supported range
- RUSH Tank MAX SOLO
Works with (1)
4S is inside the TBS Unify Pro32 HV supported range.
Rule: Battery voltage within supported range
- TBS Unify Pro32 HV
Works with (1)
4S is inside the Walksnail Avatar HD Pro Kit supported range.
Rule: Battery voltage within supported range
- Walksnail Avatar HD Pro Kit

Show the 8 we cannot judge yet, because a deciding specification is not recorded

Not enough recorded specification (8)
Not enough recorded specification to judge this combination.
Rule: Battery voltage within supported range

Charger

Does not work with (3)Works with (8)2 not yet judged

All charger · All 13 charger checked against this battery

Does not work with (3)
4S exceeds the charger's 1S maximum.
Rule: Charger supports the battery
Works with (8)
The charger handles 4S.
Rule: Charger supports the battery

Show the 2 we cannot judge yet, because a deciding specification is not recorded

Not enough recorded specification (2)
Not enough recorded specification to judge this combination.
Rule: Charger supports the battery
- ISDT K2 Zip
- ToolkitRC M6D

Offers

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Evidence

Recorded specification

Every value carries the source it was read from. A property with no recorded source is marked as such rather than presented as a fact. If one of them is wrong, tell us: it is the fastest way it gets fixed.

Property	Value	Source
Discharge ratingHow hard the pack can be pulled. Manufacturers overstate it, so treat it as a rough ordering rather than a measurement: but a 160C pack is genuinely a different thing from a 45C one.	100 C	Oscar Liangchecked 2026-07-27Quote 1, below the table
Cell count decides fit	4 S	Oscar Liangchecked 2026-07-27Quote 1, below the table
Battery connector decides fit	XT30	Oscar Liangchecked 2026-07-27Quote 1, below the table
CapacityFlight time, and the first thing anyone compares on a pack. Every value below is stated in the same source excerpt that names the variant.	850 mAh	Oscar Liangchecked 2026-07-27Quote 1, below the table
High-voltage cellsLiHV packs terminate at 4.35 V rather than 4.2 V.	No	Oscar Liangchecked 2026-07-27Quote 1, below the table
WeightBuild-critical rather than compat-critical: needed to answer registration and class questions.	95.4 g	Oscar Liangchecked 2026-07-27Quote 1, below the table

Oscar Liangchecked 2026-07-27BetaFPV Lava 4S 850mAh 100C LiPo - Weight: 95.4g; Connector: XT30

Guides

The standards this part is judged by

What the properties above actually mean, which differences are absolute, and where the names used in shops mislead.