Batteries

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Connector, 5.5 mm Bullet (set of 3 pair)
Price: $5.99
Availability: In stock
Item #: PDRB5-5_5mm Bullet -

Castle CC BEC PRO
Price: $44.99
Availability: In stock
Item #: CC010-0004-01 -

This is a stand-alone BEC. It's rated at 20A but read the fine print because the output depends on the input voltage and external temperature. We're not slamming a product we sell, just wanting to inform you before you pony up for it and then are disappointed. In theory this puppy is good for 20A. And it gives you two power connections to the receiver (like with our dual-connection battery packs, each is rated at 5A so in the real world, figure on getting 10A into the receiver). Honestly, it's...

4-tap (Power Expander XD)
Price: $9.99
Availability: In stock
Item #: PEXD -

We call this thing a 4-tap because it literally lets you add another pair of Dupont discharge connectors to one of our batteries (total 4) via the XT30 discharge connector. - XT30 female close up reveals male pins - but - it's the housing that determines gender So why add an PEXD (XT30-DupontX2 power expander) to a ProModeler B2S-series LiIon battery pack in the first place? These packs range in capacity from 850-6000mAh and are a handy way to power something other than a receiver and servos -...

BEC-bypass-XT30-DUAL
Price: $9.99
Availability: In stock
Item #: HV2SV-X2 -

Power two steering servos independently of the BEC with a dedicated 2S pack via XT30

BEC-bypass-Dupont-dual E-Revo Traxxas dual steering servos
Price: $11.99
Availability: In stock
Item #: HV2SV-D2 -

Power two steering servos independently of the BEC with a dedicated 2S pack equipped with conventional Dupont connectors.

BEC-bypass-JST-XH2 E-Revo Traxxas dual steering servos
Price: $13.99
Availability: In stock
Item #: HV2SV-J -

This is intended for micro-crawlers instead of models with hairy ass servos. Just because you can do something is not the same as should do something - capice? This is made for power the steering servo independently of the BEC by connecting to the 3S or 4S propulsion pack through the JST-XH connector. The servo only gets 7.4V while the BEC keeps feeding the radio something less, often 6V and the propulsion motors gets the full jolt. Easy peasy! Nice thing of going straight to the analog-source...

BEC-bypass-XT30 E-Revo Traxxas dual steering servos
Price: $13.99
Availability: In stock
Item #: HV2SV-X -

Power the steering servo independently of the BEC with a dedicated 2S pack via XT30

Power Adpater XT30-XH3 E-Revo Traxxas dual steering servos
Price: $9.99
Availability: In stock
Item #: XT30-XH3 -

The power adapter makes pulling power from a 3S pack's JST-HX balance port and converting to an XT30, easy.  This mates perfectly to a JST-brand XH connector (used for the balance connection of a battery pack). There are other types of balance connectors, battery folks use whatever flavor suits them. Thunder Power, for example uses one, Hyperion uses another, Traxxas uses another, etc. This one is for the JST XH connector. They exist on batteries to make it easy to bleed off voltage from...

Power Adpater XT30-XH4 E-Revo Traxxas dual steering servos
Price: $9.99
Availability: In stock
Item #: XT30-XH4 -

The power adapter makes pulling power from a 4S pack's JST-HX balance port and converting to an XT30, easy.  This mates perfectly to a JST-brand XH connector (used for the balance connection of a battery pack). There are other types of balance connectors, battery folks use whatever flavor suits them. Thunder Power, for example uses one, Hyperion uses another, Traxxas uses another, etc. This one is for the JST XH connector. They exist on batteries to make it easy to bleed off voltage from...

XT30 M/F pair (qty 3)
Price: $3.99
Availability: In stock
Item #: PDR0110 -

Measuring battery capacity isn't rocket science. We offer this one, which is basically the same as the other two versions for those who recognize what a case that's been CNC-machined of 6061-T6 aircraft aluminum brings to the game. ProTip: connect a 2-wire JR-style lead for NiCd/NiMH packs (which typically don't have a balance connector for measuring individual cells) at the 2-pin port. With regard to lithium-type packs, e.g. LiPo, LiIon, LiFe, and super duty LiFePO4 (A123) because they have a...

XT60 M/F (qty 3)
Price: $5.99
Availability: In stock
Item #: PDR0111 -

Measuring battery capacity isn't rocket science. We offer this one, which is basically the same as the other two versions for those who recognize what a case that's been CNC-machined of 6061-T6 aircraft aluminum brings to the game. ProTip: connect a 2-wire JR-style lead for NiCd/NiMH packs (which typically don't have a balance connector for measuring individual cells) at the 2-pin port. With regard to lithium-type packs, e.g. LiPo, LiIon, LiFe, and super duty LiFePO4 (A123) because they have a...

XT90 M/F (qty3)
Price: $8.99
Availability: In stock
Item #: PDR0112 -

Measuring battery capacity isn't rocket science. We offer this one, which is basically the same as the other two versions for those who recognize what a case that's been CNC-machined of 6061-T6 aircraft aluminum brings to the game. ProTip: connect a 2-wire JR-style lead for NiCd/NiMH packs (which typically don't have a balance connector for measuring individual cells) at the 2-pin port. With regard to lithium-type packs, e.g. LiPo, LiIon, LiFe, and super duty LiFePO4 (A123) because they have a...

B2S850, LiIon
Price: $19.99
Availability: In stock
Item #: B2S850 -

This B2S850 is a dedicated pack consisting of 2 LiIon cells arranged in a series configuration (two cells arranged side-by-side). Outputting 7.4VDC (nominal), this pack is intended for direct connection to receivers. Representing a lot of juice in a compact package, this pack is equipped with two JST (JR-type) connectors rated at 5A each (combined they deliver 10A) along with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for monitoring...

B4S850 LiIon, square
Price: $39.99
Availability: In stock
Item #: B4S850-square -

This B4S8500 is a dedicated pack consisting of 4 LiIon cells arranged in series in a square configuration (two cells arranged side-by-side, then stacked). Outputting 15VDC (nominal), this pack is intended for direct connection to midi and mega class servos. Representing a lot of juice in a compact package, this pack is equipped with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for monitoring SOC, or state of charge). ...

B2S1500, LiFePO4
Price: $34.99
Availability: In stock
Item #: B2S1500 -

This B2S1500 is a dedicated pack consisting of 2 LiFePO4 cells arranged in a series configuration (two cells arranged side-by-side). Outputting 6.4VDC (nominal), this pack is intended for direct connection to receivers. Representing a lot of juice in a compact package, this pack is equipped with two JST (JR-type) connectors rated at 5A each (combined they deliver 10A) along with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for...

B2S2000, LiIon
Price: $24.99
Availability: In stock
Item #: B2S2000 -

This B2S2000 is a dedicated pack consisting of 2 LiIon cells arranged in a series configuration (two cells arranged side-by-side). Outputting 7.4VDC (nominal), this pack is intended for direct connection to receivers. Representing a lot of juice in a compact package, this pack is equipped with two JST (JR-type) connectors rated at 5A each (combined they deliver 10A) along with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for monitoring...

B2S2500, LiFePO4
Price: $49.99
Availability: In stock
Item #: B2S2500 -

This B2S2500 is a dedicated pack consisting of 2 LiFePO4 cells arranged in a series configuration (two cells arranged side-by-side). Outputting 6.4VDC (nominal), this pack is intended for direct connection to receivers. Representing a lot of juice in a compact package, this pack is equipped with two JST (JR-type) connectors rated at 5A each (combined they deliver 10A) along with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for...

B4S2500, LiIon, flat
Price: $49.99
Availability: In stock
Item #: B4S2500-flat -

This B4S2500 is a dedicated pack consisting of 4 LiIon cells arranged in series in a flat configuration (four cells arranged side-by-side). Outputting 15VDC (nominal), this pack is intended for direct connection to midi and mega class servos. Representing a lot of juice in a compact package, this pack is equipped with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for monitoring SOC, or state of charge). ...

B4S2500, LiIon, square
Price: $49.99
Availability: In stock
Item #: B4S2500-square -

This B4S2500 is a dedicated pack consisting of 4 LiIon cells arranged in series in a square configuration (two cells arranged side-by-side, then stack). Outputting 15VDC (nominal), this pack is intended for direct connection to midi and mega class servos. Representing a lot of juice in a compact package, this pack is equipped with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for monitoring SOC, or state of charge). ...

B2S3000, LiFePO4
Price: $54.99
Availability: In stock
Item #: B2S3000 -

This B2S3000 is a dedicated pack consisting of 2 LiFePO4 cells arranged in a series configuration (two cells arranged side-by-side). Outputting 6.4VDC (nominal), this pack is intended for direct connection to receivers. Representing a lot of juice in a compact package, this pack is equipped with two JST (JR-type) connectors rated at 5A each (combined they deliver 10A) along with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for...

Battery, LiPo, 6S4200-45C
Retail: $149.99
Price: $84.99
Availability: In stock
Item #: B6S4200 -

6S 4200mAH 45C - wires are tinned and ready for discharge connector. JST balance connector. Best practices regarding the care and feeding of LiPo battery packs.

B2S5000, LiIon
Price: $34.99
Availability: In stock
Item #: B2S5000 -

This B2S5000 is a dedicated pack consisting of 2 LiIon cells arranged in a series configuration (two cells arranged side-by-side). Outputting 7.4VDC (nominal), this pack is intended for direct connection to receivers. Representing a lot of juice in a compact package, this pack is equipped with two JST (JR-type) connectors rated at 5A each (combined they deliver 10A) along with an XT30 charge/discharge connector (rated at 30A). Plus, an HX-type balance connector for the charger (for monitoring...

Battery, LiPo, 6S5000-60C
Price: $109.99
Availability: In stock
Item #: B6S5000 -

6S 5200mAH 60C equipped with 5.5mm bullet discharge connector plus a balance connector. Best practices regarding the care and feeding of LiPo battery packs.

Battery, LiPo, 4S5200-60C
Price: $79.99
Availability: In stock
Item #: B4S5200 -

6S 5200mAH 60C equipped with 5.5mm bullet discharge connector plus a balance connector. Best practices regarding the care and feeding of LiPo battery packs.